Content Based Image Retrieval (CBIR) of Dermatological Images - PowerPoint PPT Presentation

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Content Based Image Retrieval (CBIR) of Dermatological Images

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Content Based Image Retrieval (CBIR) of Dermatological Images Author: Hedde Last modified by: Prof. Dr. N.Petkov Document presentation format: Custom Other titles: – PowerPoint PPT presentation

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Title: Content Based Image Retrieval (CBIR) of Dermatological Images


1
Content Based Image Retrieval (CBIR) of
Dermatological Images
  • H.H.W.J Bosman, N. Petkov, M.F. Jonkman

2
Image retrieval http//images.google.nl
3
Image retrieval http//images.google.nl
4
CBIR - what is it?
  • Search for images that are similar to an input
    image
  • Features that might indicate similarity
  • Color
  • Texture
  • Shape
  • Text tags
  • etc...

5
iMedia Project select query
http//www-rocq.inria.fr/cgi-bin/imedia/circario.c
gi/v2std
6
iMedia Project query results
http//www-rocq.inria.fr/cgi-bin/imedia/circario.c
gi/v2std
7
GIFT select query
http//viper.unige.ch/demo/php/demo.php
8
GIFT query result
http//viper.unige.ch/demo/php/demo.php
9
Leiden 19th-Century Portrait Database
http//nies.liacs.nl1860/cgi-bin/FindImage.pl
10
Leiden 19th-Century Portrait Database
http//nies.liacs.nl1860/cgi-bin/FindImage.pl
11
CBIR in medical settings
http//www2.warwick.ac.uk/fac/sci/dcs/research/mim
ic/projects/lisprojectpage
Seeking pathologically similar mammogram
images Dept of Computer Science at Warwick
university
12
CBIR in medical settings
http//cobweb.ecn.purdue.edu/cbirdev/WEB_ASSERT/a
ssert.html
13
CBIR in dermatology
14
CBIR in dermatology
15
Methods - the dataset
  • 211 dermatological images from the UMCG image
    database
  • Divided into 4 classes Red, White, Blue, Brown
  • Manually selecting area of
  • healthy skin (70,110,90) and
  • lesion skin (120,95,80)?

16
CBIR in dermatology
17
CBIR in dermatology
18
CBIR in dermatology
19
Results with only color features
  • 75 correct retrieval
  • White is retrieved best
  • Blue is the most difficult to retrieve
  • Results vary with the goodness of the selection
    of different regions.

20
From CBIR to CBCR (content based case retrieval)?
  • TEST CASE defined by
  • PROVOKE query
  • Plaats ... Efflorescentie ...
  • Rangschikking ...
  • Omvang ...
  • Kleur/Vorm/Omtrek

21
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