two essays on entropy

We will keep fighting for all libraries - stand with us!

Internet Archive Audio

• This Just In
• Grateful Dead
• Old Time Radio
• 78 RPMs and Cylinder Recordings
• Audio Books & Poetry
• Computers, Technology and Science
• Music, Arts & Culture
• News & Public Affairs
• Spirituality & Religion
• Radio News Archive

• Flickr Commons
• Occupy Wall Street Flickr
• NASA Images
• Solar System Collection
• Ames Research Center

• All Software
• Old School Emulation
• MS-DOS Games
• Historical Software
• Classic PC Games
• Software Library
• Kodi Archive and Support File
• Vintage Software
• CD-ROM Software
• CD-ROM Software Library
• Software Sites
• Tucows Software Library
• Shareware CD-ROMs
• Software Capsules Compilation
• CD-ROM Images
• ZX Spectrum
• DOOM Level CD

• Smithsonian Libraries
• FEDLINK (US)
• Lincoln Collection
• American Libraries
• Canadian Libraries
• Universal Library
• Project Gutenberg
• Children's Library
• Biodiversity Heritage Library
• Books by Language
• Additional Collections

• Prelinger Archives
• Democracy Now!
• Occupy Wall Street
• TV NSA Clip Library
• Animation & Cartoons
• Arts & Music
• Computers & Technology
• Cultural & Academic Films
• Ephemeral Films
• Sports Videos
• Videogame Videos
• Youth Media

Search the history of over 866 billion web pages on the Internet.

Mobile Apps

• Wayback Machine (iOS)
• Wayback Machine (Android)

Browser Extensions

Archive-it subscription.

• Explore the Collections
• Build Collections

Save Page Now

Capture a web page as it appears now for use as a trusted citation in the future.

Please enter a valid web address

• Donate Donate icon An illustration of a heart shape

Two essays on entropy

Bookreader item preview, share or embed this item, flag this item for.

• Graphic Violence
• Explicit Sexual Content
• Hate Speech
• Misinformation/Disinformation
• Marketing/Phishing/Advertising
• Misleading/Inaccurate/Missing Metadata

plus-circle Add Review comment Reviews

6 Favorites

DOWNLOAD OPTIONS

No suitable files to display here.

IN COLLECTIONS

Uploaded by station37.cebu on June 27, 2022

SIMILAR ITEMS (based on metadata)

• African Studies
• American Studies
• Ancient World (Classics)
• Anthropology
• Asian Studies
• Black Studies
• Communication
• Criminology & Criminal Justice
• Environmental Studies
• Film & Media Studies
• Food & Wine
• Gender & Sexuality
• Global Studies
• Latin American Studies
• Legal Studies
• Literary Studies & Poetry
• Middle Eastern Studies
• Technology Studies

• View sample interior images >
• Download cover image >
• Create a flier for this title >

Voices Revived

Two essays on entropy.

• by Rudolf Carnap (Author) , Abner Shimony (Editor)
• September 2020
• Originally published 1977
• First Edition
• Hardcover $95.00,  £80.00 Paperback $39.95,  £34.00 eBook $39.95,  £34.00

Title Details

Rights: Available worldwide Pages: 146 ISBN: 9780520324695 Trim Size: 6 x 9

About the Book

This title is part of UC Press's Voices Revived program, which commemorates University of California Press’s mission to seek out and cultivate the brightest minds and give them voice, reach, and impact. Drawing on a backlist dating to 1893, Voices Revived makes high-quality, peer-reviewed scholarship accessible once again using print-on-demand technology. This title was originally published in 1977.

Two Essays on Entropy

Published under licence by IOP Publishing Ltd Physics Bulletin , Volume 30 , Number 1 Citation D A Bell 1979 Phys. Bull. 30 27 DOI 10.1088/0031-9112/30/1/023

Article metrics

13 Total downloads

Permissions

Get permission to re-use this article

Share this article

Buy this article in print

Rudolf Carnap (ed by A Shimony) 1978 London : University of California Press xxii + 115 pp price £9

As if entropy did not cause us enough trouble already, between the exponents of statistical mechanics, thermodynamics, physics and information theory, we have here the posthumous publication of some of the not so recent ideas of a mathematical philosopher who agreed with none of the previous work on entropy. The information theorist will look askance at the fact that these two 'essays' (they are by no means easy reading) were written between 1952 and 1954; and the definition of 'semantic information', which would not be accepted by linguists or psychologists, comes from a paper by Bar Hillel and Carnap which was presented to the 1952 symposium on applications of communication theory.

Export citation and abstract BibTeX RIS

• Find a Library
• Browse Collections
• Two Essays on Entropy

By Rudolf Carnap

Add Book To Favorites

Is this your library?

Sign up to save your library.

With an OverDrive account, you can save your favorite libraries for at-a-glance information about availability. Find out more about OverDrive accounts.

9780520366411

Rudolf Carnap

University of California Press

15 November 2023

Find this title in Libby, the library reading app by OverDrive.

Search for a digital library with this title

Title found at these libraries:.

Two Essays on Entropy 1st Edition

• Author(s) Rudolf Carnap
• Publisher University of California Press

Print ISBN 9780520366411, 0520366417

Etext isbn 9780520324701, 0520324706.

• Edition 1st
• Copyright 1977
• Available from $ 39.95 USD SKU: 9780520324701

The world’s #1 eTextbook reader for students. VitalSource is the leading provider of online textbooks and course materials. More than 15 million users have used our Bookshelf platform over the past year to improve their learning experience and outcomes. With anytime, anywhere access and built-in tools like highlighters, flashcards, and study groups, it’s easy to see why so many students are going digital with Bookshelf.

Over 2.7 million titles available from more than 1,000 publishers

Over 65,000 customer reviews with an average rating of 9.5

Over 5 billion digital pages viewed over the past 12 months

Over 7,000 institutions using Bookshelf across 241 countries

Two Essays on Entropy 1st Edition is written by Rudolf Carnap and published by University of California Press. The Digital and eTextbook ISBNs for Two Essays on Entropy are 9780520324701, 0520324706 and the print ISBNs are 9780520366411, 0520366417. Save up to 80% versus print by going digital with VitalSource. Additional ISBNs for this eTextbook include 9780520324695.

• Architecture and Design
• Asian and Pacific Studies
• Business and Economics
• Classical and Ancient Near Eastern Studies
• Computer Sciences
• Cultural Studies
• Engineering
• General Interest
• Geosciences
• Industrial Chemistry
• Islamic and Middle Eastern Studies
• Jewish Studies
• Library and Information Science, Book Studies
• Life Sciences
• Linguistics and Semiotics
• Literary Studies
• Materials Sciences
• Mathematics
• Social Sciences
• Sports and Recreation
• Theology and Religion
• Publish your article
• The role of authors
• Promoting your article
• Abstracting & indexing
• Publishing Ethics
• Why publish with De Gruyter
• How to publish with De Gruyter
• Our book series
• Our subject areas
• Your digital product at De Gruyter
• Contribute to our reference works
• Product information
• Tools & resources
• Product Information
• Promotional Materials
• Orders and Inquiries
• FAQ for Library Suppliers and Book Sellers
• Repository Policy
• Free access policy
• Open Access agreements
• Database portals
• For Authors
• Customer service
• People + Culture
• Journal Management
• How to join us
• Working at De Gruyter
• Mission & Vision
• De Gruyter Foundation
• De Gruyter Ebound
• Our Responsibility
• Partner publishers

Your purchase has been completed. Your documents are now available to view.

Two Essays on Entropy

• Rudolf Carnap
• X / Twitter

Please login or register with De Gruyter to order this product.

• Language: English
• Publisher: University of California Press
• Copyright year: 1977
• Edition: Reprint 2019
• Main content: 146
• Published: November 15, 2023
• ISBN: 9780520324701

• Higher Education Textbooks

Sorry, there was a problem.

Download the free Kindle app and start reading Kindle books instantly on your smartphone, tablet or computer – no Kindle device required .

Read instantly on your browser with Kindle for Web.

Using your mobile phone camera, scan the code below and download the Kindle app.

Image Unavailable

• To view this video download Flash Player

Follow the author

Two Essays on Entropy Hardcover – Import, 5 February 2021

Save extra with 3 offers, 10 days replacement.

Replacement Instructions

Purchase options and add-ons

• Print length 146 pages
• Language English
• Publisher University of California Press
• Publication date 5 February 2021
• Dimensions 15.24 x 1.02 x 22.86 cm
• ISBN-10 0520366417
• ISBN-13 978-0520366411
• See all details

Product details

• Publisher ‏ : ‎ University of California Press (5 February 2021)
• Language ‏ : ‎ English
• Hardcover ‏ : ‎ 146 pages
• ISBN-10 ‏ : ‎ 0520366417
• ISBN-13 ‏ : ‎ 978-0520366411
• Item Weight ‏ : ‎ 363 g
• Dimensions ‏ : ‎ 15.24 x 1.02 x 22.86 cm
• Country of Origin ‏ : ‎ USA

About the author

Rudolf carnap.

Discover more of the author’s books, see similar authors, read author blogs and more

Customer reviews

Our goal is to make sure that every review is trustworthy and useful. That's why we use both technology and human investigators to block fake reviews before customers ever see them.  Learn more

We block Amazon accounts that violate our Community guidelines. We also block sellers who buy reviews and take legal actions against parties who provide these reviews.  Learn how to report

No customer reviews

• Press Releases
• Amazon Science
• Sell on Amazon
• Sell under Amazon Accelerator
• Protect and Build Your Brand
• Amazon Global Selling
• Become an Affiliate
• Fulfilment by Amazon
• Advertise Your Products
• Amazon Pay on Merchants
• COVID-19 and Amazon
• Your Account
• Returns Centre
• 100% Purchase Protection
• Amazon App Download

• Conditions of Use & Sale
• Privacy Notice
• Interest-Based Ads

Items related to Two Essays on Entropy

Two essays on entropy - softcover, carnap, rudolf ; shimony, abner.

This specific ISBN edition is currently not available.

• About this edition
• Publisher University of California Press
• Publication date 2020
• ISBN 10  0520324692
• ISBN 13  9780520324695
• Binding Paperback
• Edition number 1
• Number of pages 140

Convert currency

Shipping: US$ 2.64 Within U.S.A.

Add to Basket

Other Popular Editions of the Same Title

Featured edition.

ISBN 10:  0520027159 ISBN 13:  9780520027152 Publisher: Univ of California Pr, 1978 Hardcover

Univer..., 2021 Hardcover

Top Search Results from the AbeBooks Marketplace

Two essays on entropy.

Book Description Condition: New. Seller Inventory # 41439005-n

More information about this seller | Contact seller

Book Description PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000. Seller Inventory # WF-9780520324695

Book Description paperback. Condition: New. Language: ENG. Seller Inventory # 9780520324695

Two Essays on Entropy (Paperback or Softback)

Book Description Paperback or Softback. Condition: New. Two Essays on Entropy 0.47. Book. Seller Inventory # BBS-9780520324695

Book Description Condition: New. Seller Inventory # ABLIING23Feb2215580236731

Book Description Condition: New. 2021. Paperback. . . . . . Seller Inventory # V9780520324695

Book Description Paperback / softback. Condition: New. New copy - Usually dispatched within 4 working days. Seller Inventory # B9780520324695

Two Essays on Entropy by Carnap, Rudolf [Paperback ]

Book Description Soft Cover. Condition: new. Seller Inventory # 9780520324695

Book Description Condition: New. In. Seller Inventory # ria9780520324695_new

There are more copies of this book

Search with any image

Unsupported image file format.

Image file size is too large..

Drag an image here

• Kindle Store
• Kindle eBooks
• Politics & Social Sciences

Promotions apply when you purchase

These promotions will be applied to this item:

Some promotions may be combined; others are not eligible to be combined with other offers. For details, please see the Terms & Conditions associated with these promotions.

• Highlight, take notes, and search in the book

Buy for others

Buying and sending ebooks to others.

• Select quantity
• Buy and send eBooks
• Recipients can read on any device

These ebooks can only be redeemed by recipients in the US. Redemption links and eBooks cannot be resold.

Sorry, there was a problem.

Download the free Kindle app and start reading Kindle books instantly on your smartphone, tablet, or computer - no Kindle device required .

Read instantly on your browser with Kindle for Web.

Using your mobile phone camera - scan the code below and download the Kindle app.

Image Unavailable

• To view this video download Flash Player

Follow the author

Two Essays on Entropy 1st Edition, Kindle Edition

• ISBN-13 978-0520324695
• Edition 1st
• Sticky notes On Kindle Scribe
• Publisher University of California Press
• Publication date November 15, 2023
• Language English
• File size 52399 KB
• See all details

Kindle E-Readers

• Kindle (5th Generation)
• Kindle Keyboard
• Kindle (2nd Generation)
• Kindle (1st Generation)
• Kindle Paperwhite
• Kindle Paperwhite (5th Generation)
• Kindle Touch
• Kindle Voyage
• Kindle Oasis
• Kindle Scribe (1st Generation)

Fire Tablets

• Kindle Fire HDX 8.9''
• Kindle Fire HDX
• Kindle Fire HD (3rd Generation)
• Fire HDX 8.9 Tablet
• Fire HD 7 Tablet
• Fire HD 6 Tablet
• Kindle Fire HD 8.9"
• Kindle Fire HD(1st Generation)
• Kindle Fire(2nd Generation)
• Kindle Fire(1st Generation)

Fire Phones

Free kindle reading apps.

• Kindle for Windows 8
• Kindle for Windows Phone
• Kindle for BlackBerry
• Kindle for Android Phones
• Kindle for Android Tablets
• Kindle for iPhone
• Kindle for iPod Touch
• Kindle for iPad
• Kindle for Mac
• Kindle for PC
• Kindle for Web

Product details

• ASIN ‏ : ‎ B0CMQCV6C2
• Publisher ‏ : ‎ University of California Press; 1st edition (November 15, 2023)
• Publication date ‏ : ‎ November 15, 2023
• Language ‏ : ‎ English
• File size ‏ : ‎ 52399 KB
• Text-to-Speech ‏ : ‎ Enabled
• Screen Reader ‏ : ‎ Supported
• Enhanced typesetting ‏ : ‎ Enabled
• X-Ray ‏ : ‎ Not Enabled
• Word Wise ‏ : ‎ Not Enabled
• Sticky notes ‏ : ‎ On Kindle Scribe
• Print length ‏ : ‎ 137 pages
• #12,975 in Philosophy (Kindle Store)
• #54,365 in Philosophy (Books)

About the author

Rudolf carnap.

Discover more of the author’s books, see similar authors, read author blogs and more

Customer reviews

Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.

To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.

No customer reviews

Report an issue.

• About Amazon
• Investor Relations
• Amazon Devices
• Amazon Science
• Sell products on Amazon
• Sell on Amazon Business
• Sell apps on Amazon
• Become an Affiliate
• Advertise Your Products
• Self-Publish with Us
• Host an Amazon Hub
• › See More Make Money with Us
• Amazon Business Card
• Shop with Points
• Reload Your Balance
• Amazon Currency Converter
• Amazon and COVID-19
• Your Account
• Your Orders
• Shipping Rates & Policies
• Returns & Replacements
• Manage Your Content and Devices
• Amazon Assistant

• Conditions of Use
• Privacy Notice
• Consumer Health Data Privacy Disclosure
• Your Ads Privacy Choices

• Advanced Search
• All new items
• Journal articles
• Manuscripts
• All Categories
• Metaphysics and Epistemology
• Epistemology
• Metaphilosophy
• Metaphysics
• Philosophy of Action
• Philosophy of Language
• Philosophy of Mind
• Philosophy of Religion
• Value Theory
• Applied Ethics
• Meta-Ethics
• Normative Ethics
• Philosophy of Gender, Race, and Sexuality
• Philosophy of Law
• Social and Political Philosophy
• Value Theory, Miscellaneous
• Science, Logic, and Mathematics
• Logic and Philosophy of Logic
• Philosophy of Biology
• Philosophy of Cognitive Science
• Philosophy of Computing and Information
• Philosophy of Mathematics
• Philosophy of Physical Science
• Philosophy of Social Science
• Philosophy of Probability
• General Philosophy of Science
• Philosophy of Science, Misc
• History of Western Philosophy
• Ancient Greek and Roman Philosophy
• Medieval and Renaissance Philosophy
• 17th/18th Century Philosophy
• 19th Century Philosophy
• 20th Century Philosophy
• History of Western Philosophy, Misc
• Philosophical Traditions
• African/Africana Philosophy
• Asian Philosophy
• Continental Philosophy
• European Philosophy
• Philosophy of the Americas
• Philosophical Traditions, Miscellaneous
• Philosophy, Misc
• Philosophy, Introductions and Anthologies
• Philosophy, General Works
• Teaching Philosophy
• Philosophy, Miscellaneous
• Other Academic Areas
• Natural Sciences
• Social Sciences
• Cognitive Sciences
• Formal Sciences
• Arts and Humanities
• Professional Areas
• Other Academic Areas, Misc
• Submit a book or article
• Upload a bibliography
• Personal page tracking
• Archives we track
• Information for publishers
• Introduction
• Submitting to PhilPapers
• Frequently Asked Questions
• Subscriptions
• Editor's Guide
• The Categorization Project
• For Publishers
• For Archive Admins
• PhilPapers Surveys
• Bargain Finder
• About PhilPapers
• Create an account

Two Essays on Entropy

Author's profile.

Reprint years

Philarchive, external links.

• From the Publisher via CrossRef (no proxy)

• pq.oxfordjournals.org (no proxy)
• jstor.org (no proxy)

Through your library

• Sign in / register and customize your OpenURL resolver
• Configure custom resolver

Similar books and articles

Citations of this work, references found in this work.

No references found.

Thank you for visiting nature.com. You are using a browser version with limited support for CSS. To obtain the best experience, we recommend you use a more up to date browser (or turn off compatibility mode in Internet Explorer). In the meantime, to ensure continued support, we are displaying the site without styles and JavaScript.

• View all journals
• Explore content
• About the journal
• Publish with us
• Sign up for alerts
• News & Views
• Published: 05 June 2024

Superfluids

Surprising entropy transport

• Marion Delehaye   ORCID: orcid.org/0000-0002-3809-2524 1  

Nature Physics ( 2024 ) Cite this article

191 Accesses

Metrics details

• Bose–Einstein condensates
• Quantum fluids and solids

A superfluid is a macroscopic system with zero viscosity through which entropy is reversibly transported by waves. An unexpected transport phenomenon has now been observed between two superfluids, where irreversible entropy transport is enhanced by superfluidity.

This is a preview of subscription content, access via your institution

Access options

Access Nature and 54 other Nature Portfolio journals

Get Nature+, our best-value online-access subscription

24,99 € / 30 days

cancel any time

Subscribe to this journal

Receive 12 print issues and online access

195,33 € per year

only 16,28 € per issue

Buy this article

• Purchase on Springer Link
• Instant access to full article PDF

Prices may be subject to local taxes which are calculated during checkout

Kapitza, P. Nature 141 , 3558 (1938).

Article   Google Scholar  

Allen, J. F. & Misener, A. D. Nature 142 , 3597 (1938).

Google Scholar  

Landau, L. D. J. Phys. USSR 5 , 71 (1941).

Fabritius, P. et al. Nat. Phys. https://doi.org/10.1038/s41567-024-02483-3 (2024).

Ku, M. J. H. et al. Science 335 , 563–567 (2012).

Article   ADS   Google Scholar  

Brantut, J. P. et al. Science 337 , 1069–1071 (2012).

Hussman, D. et al. PNAS 115 , 8563–8568 (2018).

Download references

Author information

Authors and affiliations.

University of Franche-Comté, CNRS, FEMTO-ST, SUPMICROTECH-ENSMM, Besançon, France

Marion Delehaye

You can also search for this author in PubMed   Google Scholar

Corresponding author

Correspondence to Marion Delehaye .

Ethics declarations

Competing interests.

The author declares no competing interests.

Rights and permissions

Reprints and permissions

About this article

Cite this article.

Delehaye, M. Surprising entropy transport. Nat. Phys. (2024). https://doi.org/10.1038/s41567-024-02489-x

Download citation

Published : 05 June 2024

DOI : https://doi.org/10.1038/s41567-024-02489-x

Share this article

Anyone you share the following link with will be able to read this content:

Sorry, a shareable link is not currently available for this article.

Provided by the Springer Nature SharedIt content-sharing initiative

Quick links

• Explore articles by subject
• Guide to authors
• Editorial policies

Sign up for the Nature Briefing newsletter — what matters in science, free to your inbox daily.

Essays That Worked

The essays are a place to show us who you are and who you’ll be in our community.

It’s a chance to add depth to something that is important to you and tell the admissions committee more about your background or goals. Below you’ll find selected examples of essays that “worked,” as nominated by our admissions committee. In each of these essays, students were able to share stories from their everyday lives to reveal something about their character, values, and life that aligned with the culture and values at Hopkins.

Read essays that worked from Transfer applicants .

Hear from the class of 2027.

These selections represent just a few examples of essays we found impressive and helpful during the past admissions cycle. We hope these essays inspire you as you prepare to compose your own personal statements. The most important thing to remember is to be original as you share your own story, thoughts, and ideas with us.

Ordering the Disorderly

Ellie’s essay skillfully uses the topic of entropy as an extended metaphor. Through it, we see reflections about who they are and who they aspire to be.

Pack Light, But Be Prepared

In Pablo’s essay, the act of packing for a pilgrimage becomes a metaphor for the way humans accumulate experiences in their life’s journey and what we can learn from them. As we join Pablo through the diverse phases of their life, we gain insights into their character and values.

Tikkun Olam

Julieta illustrates how the concept of Tikkun Olam, “a desire to help repair the world,” has shaped their passions and drives them to pursue experiences at Hopkins.

Kashvi’s essay encapsulates a heartfelt journey of self-discovery and the invaluable teachings of Rock, their 10-year-old dog. Through the lens of their companionship, Kashvi walked us through valuable lessons on responsibility, friendship, patience, and unconditional love.

Classical Reflections in Herstory

Maddie’s essay details their intellectual journey using their love of Greek classics. They incorporate details that reveal the roots of their academic interests: storytelling, literary devices, and translation. As their essay progresses, so do Maddie’s intellectual curiosities.

My Spotify Playlist

Alyssa’s essay reflects on special memories through the creative lens of Spotify playlists. They use three examples to highlight their experiences with their tennis team, finding a virtual community during the pandemic, and co-founding a nonprofit to help younger students learn about STEM.

More essays that worked

We share essays from previously admitted students—along with feedback from our admissions committee—so you can understand what made them effective and how to start crafting your own.

Application Workshops

Our interactive workshops—on topics like the college search process and essay preparation—will help you build your strongest application when you’re ready to apply.

REGISTER FOR AN APPLICATION WORKSHOP

Application tips in your inbox

Join our mailing list to receive insights from our admissions committee, event invites, and other resources for your college journey.

Quick Links:

• Majors, Minors & Programs
• Application Deadlines & Requirements
• College Planning Guide

• Share full article

Advertisement

Supported by

Critic’s Pick

Digital Art as Sultry Love Stories,Without Neat Endings

The first survey of Auriea Harvey, an influential Net artist turned game developer, traces the evolution of digital art from the 1990s to today.

By Travis Diehl

Installed on vintage hardware at the Museum of the Moving Image in Astoria, Queens, laid out chronologically, the first career survey of the innovative Net artist Auriea Harvey tells a story about mortality, and survival.

In Harvey’s jewel-box worlds, there aren’t heroes or villains, just people, losing and loving, enmeshed in the slipstream of tech.

Harvey, born in 1971 in Indianapolis, helped expand the vistas of digital art — utopias, games, crashes and all. In the 1990s, she created boundary-bending imagery with GIFs, Shockwave animations, and the HTML and JavaScript programming languages. Her sumptuous personal website, Entropy8.com , restored for the show, won Webby Awards in 1997 and ’98.

In the last few years, Harvey turned to sculpting imaginary but mythic-seeming artifacts that exist as both 3-D printed statuary and glossy virtual models. At the museum, you can make several rotate on transparent screens by waving your hand. The “mixed reality” sculptures incorporate scans of ancient artwork, hand-shaped clay and her own facial features — they look cracked, weathered, instantly timeless.

With each technological shift, the scintillation of new possibilities meets the tug of obsolescence.

We are having trouble retrieving the article content.

Please enable JavaScript in your browser settings.

Thank you for your patience while we verify access. If you are in Reader mode please exit and  log into  your Times account, or  subscribe  for all of The Times.

Thank you for your patience while we verify access.

Already a subscriber?  Log in .

Want all of The Times?  Subscribe .

• Скидки дня
• Справка и помощь
• Адрес доставки Идет загрузка... Ошибка: повторите попытку ОК
• Продажи
• Список отслеживания Развернуть список отслеживаемых товаров Идет загрузка... Войдите в систему , чтобы просмотреть свои сведения о пользователе
• Краткий обзор
• Недавно просмотренные
• Ставки/предложения
• Список отслеживания
• История покупок
• Купить опять
• Объявления о товарах
• Сохраненные запросы поиска
• Сохраненные продавцы
• Сообщения
• Уведомление
• Развернуть корзину Идет загрузка... Произошла ошибка. Чтобы узнать подробнее, посмотрите корзину.

Oops! Looks like we're having trouble connecting to our server.

Refresh your browser window to try again.

Entropy Based Defect Detection for Patterned Fabrics

• Conference paper
• First Online: 29 May 2024
• Cite this conference paper

• N. Ramya 8 &
• T. Jayalakshmi 9  

Part of the book series: Algorithms for Intelligent Systems ((AIS))

Included in the following conference series:

• International Conference on Multi-Strategy Learning Environment

12 Accesses

This research work focuses on identifying defects in patterned textiles, which are essential for improving fabric quality and reducing financial losses. The proposed hybrid denoising algorithm, ksvd dwt, effectively removes various types of noise from fabric photographs. To enhance fault detection in patterned fabrics, a feature extraction and selection strategy are employed, using robust feature descriptors like SIFT and SURF. Particle Swarm Optimization (PSO) is applied for feature selection, which, combined with the entropy-based feature selection method, significantly improves the accuracy of defect identification in patterned fabrics. The study emphasizes the importance of two-step processes involving denoising and feature extraction to distinguish between defective and defect-free fabric images.

This is a preview of subscription content, log in via an institution to check access.

Access this chapter

• Available as PDF
• Read on any device
• Instant download
• Own it forever
• Available as EPUB and PDF
• Durable hardcover edition
• Dispatched in 3 to 5 business days
• Free shipping worldwide - see info

Tax calculation will be finalised at checkout

Purchases are for personal use only

Institutional subscriptions

Alsenan SA, Al-Turaiki IM, Hafez AM (2020) Auto-KPCA: a two-step hybrid feature extraction technique for QSAR modeling. https://doi.org/10.1109/Access.2020.3047375

Sparavigna AC (2019) Entropy 21:502. https://doi.org/10.3390/e21050502 . [Online]. Available at: www.mdpi.com/journal/entropy

Ghojogh B, Samad MN, Mashhadi SA, Kapoor T, Ali W, Karray F, Crowley M (2019) Feature selection and feature extraction in pattern analysis: a literature review

Google Scholar  

Liu Z, Wang B, Li C, Yu M, Ding S (2019) Fabric defect detection based on deep-feature and low-rank decomposition. J Eng Fibers Fabrics

Lia A, Jiang W, Yuan W, Dai D, Zhang S, Wei Z (2017) An ımproved FAST+SURF fast matching algorithm

Vedaldi A (2007) Open implementation of the SIFT detector and descriptor. UCLA CSD technical report 070012

Bolon-Canedo V, Remeseiro B (2016) Feature selection in image analysis: an overview

Chaitra GN, Khare N (2015) Feature extraction of clothing texture patterns for classification

Khalid S, Khalil T, Nasreen S (2014) A survey of feature selection and feature extraction techniques in machine learning. In: Science and ınformation conference 2014, 27–29 Aug 2014, London, UK

Oyallon E, Rabin J (2013) An analysis of the SURF method

Peesapati R, Sabat SL, Anumandla KK, Kandyala PK, Nayak J (2013) Design and implementation of a real-time co-processor for Fiber Optic Gyroscope signal. Dig Sig Process 23(5):1813–1825

Article   Google Scholar  

Mallik-Goswami B, Datta AK (2000) Defects detected in fabric with laser-based morphological image processing. Text Res J 70(9):758–762

Wang L, Wang XZ (2021) CNN-based feature selection for patterned fabric defect detection. J Text Eng 15(3):123–135

Kim J et al (2020) Utilizing GAN and feature importance for patterned fabric defect detection. Text Res J 28(4):567–580

Zhang Y et al (2019) Feature selection using RF & recursive feature elimination in textile data analysis. IEEE Trans Industr Inf 12(2):211–225

Chen H, Liu S (2018) Autoencoder & PCA approaches for feature selection in industrial fabric defect detection. Pattern Recogn Lett 45:89–102

Patel R, Gupta M (2017) Genetic algorithm-based feature selection for mixed fabric defect detection. Comput Ind 33(1):45–57

Wu Y et al (2016) Local binary patterns & statistical analysis for cotton fabric defect detection. Text Res J 22(6):789–802

Download references

Author information

Authors and affiliations.

Department of Computer Science, LRG Govt Arts College for Women, Tirupur, India

Department of Computer Science, Puratchi Thalaivi Amma Govt Arts and Science College, Palladam, India

T. Jayalakshmi

You can also search for this author in PubMed   Google Scholar

Corresponding author

Correspondence to N. Ramya .

Editor information

Editors and affiliations.

Graphic Era Hill University, Dehradun, Uttarakhand, India

Vrince Vimal

Department of Computer Engineering and Informatics, University of Patras, Patra, Greece

Isidoros Perikos

University of South Bohemia, České Budějovice, Czech Republic

Amrit Mukherjee

Department of Computer Science, Universita' degli Studi di Milano, Crema, Italy

Vincenzo Piuri

Rights and permissions

Reprints and permissions

Copyright information

© 2024 The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.

About this paper

Cite this paper.

Ramya, N., Jayalakshmi, T. (2024). Entropy Based Defect Detection for Patterned Fabrics. In: Vimal, V., Perikos, I., Mukherjee, A., Piuri, V. (eds) Multi-Strategy Learning Environment. ICMSLE 2024. Algorithms for Intelligent Systems. Springer, Singapore. https://doi.org/10.1007/978-981-97-1488-9_35

Download citation

DOI : https://doi.org/10.1007/978-981-97-1488-9_35

Published : 29 May 2024

Publisher Name : Springer, Singapore

Print ISBN : 978-981-97-1487-2

Online ISBN : 978-981-97-1488-9

eBook Packages : Intelligent Technologies and Robotics Intelligent Technologies and Robotics (R0)

Share this paper

Anyone you share the following link with will be able to read this content:

Sorry, a shareable link is not currently available for this article.

Provided by the Springer Nature SharedIt content-sharing initiative

• Publish with us

Policies and ethics

• Find a journal
• Track your research

Numbers, Facts and Trends Shaping Your World

Read our research on:

Full Topic List

Regions & Countries

• Publications
• Our Methods
• Short Reads
• Tools & Resources

Read Our Research On:

How Pew Research Center will report on generations moving forward

Journalists, researchers and the public often look at society through the lens of generation, using terms like Millennial or Gen Z to describe groups of similarly aged people. This approach can help readers see themselves in the data and assess where we are and where we’re headed as a country.

Pew Research Center has been at the forefront of generational research over the years, telling the story of Millennials as they came of age politically and as they moved more firmly into adult life . In recent years, we’ve also been eager to learn about Gen Z as the leading edge of this generation moves into adulthood.

But generational research has become a crowded arena. The field has been flooded with content that’s often sold as research but is more like clickbait or marketing mythology. There’s also been a growing chorus of criticism about generational research and generational labels in particular.

Recently, as we were preparing to embark on a major research project related to Gen Z, we decided to take a step back and consider how we can study generations in a way that aligns with our values of accuracy, rigor and providing a foundation of facts that enriches the public dialogue.

A typical generation spans 15 to 18 years. As many critics of generational research point out, there is great diversity of thought, experience and behavior within generations.

We set out on a yearlong process of assessing the landscape of generational research. We spoke with experts from outside Pew Research Center, including those who have been publicly critical of our generational analysis, to get their take on the pros and cons of this type of work. We invested in methodological testing to determine whether we could compare findings from our earlier telephone surveys to the online ones we’re conducting now. And we experimented with higher-level statistical analyses that would allow us to isolate the effect of generation.

What emerged from this process was a set of clear guidelines that will help frame our approach going forward. Many of these are principles we’ve always adhered to , but others will require us to change the way we’ve been doing things in recent years.

Here’s a short overview of how we’ll approach generational research in the future:

We’ll only do generational analysis when we have historical data that allows us to compare generations at similar stages of life. When comparing generations, it’s crucial to control for age. In other words, researchers need to look at each generation or age cohort at a similar point in the life cycle. (“Age cohort” is a fancy way of referring to a group of people who were born around the same time.)

When doing this kind of research, the question isn’t whether young adults today are different from middle-aged or older adults today. The question is whether young adults today are different from young adults at some specific point in the past.

To answer this question, it’s necessary to have data that’s been collected over a considerable amount of time – think decades. Standard surveys don’t allow for this type of analysis. We can look at differences across age groups, but we can’t compare age groups over time.

Another complication is that the surveys we conducted 20 or 30 years ago aren’t usually comparable enough to the surveys we’re doing today. Our earlier surveys were done over the phone, and we’ve since transitioned to our nationally representative online survey panel , the American Trends Panel . Our internal testing showed that on many topics, respondents answer questions differently depending on the way they’re being interviewed. So we can’t use most of our surveys from the late 1980s and early 2000s to compare Gen Z with Millennials and Gen Xers at a similar stage of life.

This means that most generational analysis we do will use datasets that have employed similar methodologies over a long period of time, such as surveys from the U.S. Census Bureau. A good example is our 2020 report on Millennial families , which used census data going back to the late 1960s. The report showed that Millennials are marrying and forming families at a much different pace than the generations that came before them.

Even when we have historical data, we will attempt to control for other factors beyond age in making generational comparisons. If we accept that there are real differences across generations, we’re basically saying that people who were born around the same time share certain attitudes or beliefs – and that their views have been influenced by external forces that uniquely shaped them during their formative years. Those forces may have been social changes, economic circumstances, technological advances or political movements.

When we see that younger adults have different views than their older counterparts, it may be driven by their demographic traits rather than the fact that they belong to a particular generation.

The tricky part is isolating those forces from events or circumstances that have affected all age groups, not just one generation. These are often called “period effects.” An example of a period effect is the Watergate scandal, which drove down trust in government among all age groups. Differences in trust across age groups in the wake of Watergate shouldn’t be attributed to the outsize impact that event had on one age group or another, because the change occurred across the board.

Changing demographics also may play a role in patterns that might at first seem like generational differences. We know that the United States has become more racially and ethnically diverse in recent decades, and that race and ethnicity are linked with certain key social and political views. When we see that younger adults have different views than their older counterparts, it may be driven by their demographic traits rather than the fact that they belong to a particular generation.

Controlling for these factors can involve complicated statistical analysis that helps determine whether the differences we see across age groups are indeed due to generation or not. This additional step adds rigor to the process. Unfortunately, it’s often absent from current discussions about Gen Z, Millennials and other generations.

When we can’t do generational analysis, we still see value in looking at differences by age and will do so where it makes sense. Age is one of the most common predictors of differences in attitudes and behaviors. And even if age gaps aren’t rooted in generational differences, they can still be illuminating. They help us understand how people across the age spectrum are responding to key trends, technological breakthroughs and historical events.

Each stage of life comes with a unique set of experiences. Young adults are often at the leading edge of changing attitudes on emerging social trends. Take views on same-sex marriage , for example, or attitudes about gender identity .

Many middle-aged adults, in turn, face the challenge of raising children while also providing care and support to their aging parents. And older adults have their own obstacles and opportunities. All of these stories – rooted in the life cycle, not in generations – are important and compelling, and we can tell them by analyzing our surveys at any given point in time.

When we do have the data to study groups of similarly aged people over time, we won’t always default to using the standard generational definitions and labels. While generational labels are simple and catchy, there are other ways to analyze age cohorts. For example, some observers have suggested grouping people by the decade in which they were born. This would create narrower cohorts in which the members may share more in common. People could also be grouped relative to their age during key historical events (such as the Great Recession or the COVID-19 pandemic) or technological innovations (like the invention of the iPhone).

By choosing not to use the standard generational labels when they’re not appropriate, we can avoid reinforcing harmful stereotypes or oversimplifying people’s complex lived experiences.

Existing generational definitions also may be too broad and arbitrary to capture differences that exist among narrower cohorts. A typical generation spans 15 to 18 years. As many critics of generational research point out, there is great diversity of thought, experience and behavior within generations. The key is to pick a lens that’s most appropriate for the research question that’s being studied. If we’re looking at political views and how they’ve shifted over time, for example, we might group people together according to the first presidential election in which they were eligible to vote.

With these considerations in mind, our audiences should not expect to see a lot of new research coming out of Pew Research Center that uses the generational lens. We’ll only talk about generations when it adds value, advances important national debates and highlights meaningful societal trends.

• Age & Generations
• Demographic Research
• Generation X
• Generation Z
• Generations
• Greatest Generation
• Methodological Research
• Millennials
• Silent Generation

Kim Parker is director of social trends research at Pew Research Center .

Teens and Video Games Today

As biden and trump seek reelection, who are the oldest – and youngest – current world leaders, how teens and parents approach screen time, who are you the art and science of measuring identity, u.s. centenarian population is projected to quadruple over the next 30 years, most popular.

1615 L St. NW, Suite 800 Washington, DC 20036 USA (+1) 202-419-4300 | Main (+1) 202-857-8562 | Fax (+1) 202-419-4372 |  Media Inquiries

Research Topics

• Email Newsletters

ABOUT PEW RESEARCH CENTER  Pew Research Center is a nonpartisan fact tank that informs the public about the issues, attitudes and trends shaping the world. It conducts public opinion polling, demographic research, media content analysis and other empirical social science research. Pew Research Center does not take policy positions. It is a subsidiary of  The Pew Charitable Trusts .

© 2024 Pew Research Center