RGB Image Color Space Transformations
| Please use this identifier to cite or link to this publication: http://hdl.handle.net/10380/3237 |
Published in The Insight Journal - 2010 July-December.
Submitted by Robert Tamburo on 12-10-2010.
This paper describes a set of pixel accessors that transform RGB pixel values to a different color space. Accessors for the HSI, XYZ, Yuv, YUV, HSV, Lab, Luv, HSL, CMY, and CMYK color spaces are provided here. This paper is accompanied with source code for the pixel accessors and test, test images and parameters, and expected output images.
Note: Set() methods are incorrect. Will provide revision by 12.17.2010.
Note: Set() methods are incorrect. Will provide revision by 12.17.2010.
Data
1 Dataset (111Kb)
peppers.png (111Kb)
Code
Automatic Testing Results
by Insight-Journal Dashboard
on Sat Dec 11 09:43:30 2010 for revision #1 
expertise: 5 sensitivity: 5 
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Reviews
These accessors are a great help!
by David Doria on 2011-01-05 13:44:31 for revision #1 expertise: 3 sensitivity: 5
Summary:
The author wrote accessors to be used with itkImageAdaptor for many common color spaces. Having access to all of these color spaces through ImageAdaptors is great!
Evidence:A test is included which transform a test image to all of the different color spaces and compares them to baseline images.
Open Science:All of the source code and images are provided. I was able to replicate the results.
Reproducibility:The code compiles, runs, and passes the tests out of the box.
Open source Contributions:The usage is clearly explained in the PDF.
Code Quality :The code could benefit from some more comments. Particularly, the mathematical equations which were used in the color space conversions should be explained at the top of each header.
Free comment :These accessors should be added to ITK ASAP!
Quick Comments
Comment by David Doria
For some of these classes, I found that it is possible to relax the restriction of using itk::RGBPixel as the pixel type of the image that is adapted (to allow something like itk::CovariantVector by adding a template argument:
template >
and replacing the InternalType typedef with:
typedef TInternalType InternalType;
For some of these classes, I found that it is possible to relax the restriction of using itk::RGBPixel
template
and replacing the InternalType typedef with:
typedef TInternalType InternalType;
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| Categories: | Data Representation, Image |
| Keywords: | rgb , color space, transformation, HSI, XYZ, Yuv, YUV, HSV, Lab, Luv, HSL, CMY, CMYK |
| Toolkits: | ITK |
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