4.5 | 2 ratings Rate this file 178 downloads (last 30 days) File Size: 1.59 KB File ID: #20501

Image Compression using Wavelet

27 Jun 2008 (Updated 30 Jun 2008)

No BSD License

This code compress the image using wavelets. Both gray scale and RGB images can be applied and some

File Information
Description	The following implementation steps have been made for the devised algorithm, which is based on 2D-wavelet. 1. Reading an image of either gray scale or RGB image. 2. Converting the image into grayscale if the image is RGB. 3. Decomposition of images using wavelets for the level N. 4. Selecting and assigning a wavelet for compression. 5. Generating threshold coefficients using Birge-Massart strategy. 6. Performing the image compression using wavelets. 7. Computing and displaying the results such as compressed image, retained energy and Zero coefficients. 8. Decompression the image based on the wavelet decomposition structure. 9. Plotting the reconstructed image. 10. Computing and displaying the size of original image, compressed image and decompressed image.
Required Products	Wavelet Toolbox
MATLAB release	MATLAB 6.5 (R13)

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Everyone's Tags	code(2), compress, compression, image, image processing, wavelet
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Comments and Ratings (3)
02 Aug 2008	varsha bhole	very useful
24 Nov 2008	Ratanlal Dondi
24 Nov 2008	Ratanlal Dondi	very useful to my project

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Tag Activity for this File
Tag	Applied By	Date/Time
compression	Jebakumari Beulah	22 Oct 2008 10:07:43
wavelet	Jebakumari Beulah	22 Oct 2008 10:07:43
code	Jebakumari Beulah	22 Oct 2008 10:07:43
image processing	Jebakumari Beulah	22 Oct 2008 10:07:43
image	Jebakumari Beulah	22 Oct 2008 10:07:43
compress	Jebakumari Beulah	22 Oct 2008 10:07:43
code	Ratanlal Dondi	24 Nov 2008 06:51:58

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