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Thread: 3D-SPIHT, AT-SPIHT, 3D-EZW, 3D-CB-EZW Executables

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    3D-SPIHT, AT-SPIHT, 3D-EZW, 3D-CB-EZW Executables

    Hi all, I need to perform some tests on medical images. For this reason, I need implementations (source code or executables) of the following algorithms: 3D-SPIHT, AT-SPIHT, EZW-3D, 3D-CB-EZW, respectively defined in the following papers:

    [3D-SPIHT, AT-SPIHT] S. Cho, D. Kim, and W. A. Pearlman, ?Lossless compression of volumetric medical images with improved threedimensional spiht algorithm,? Journal of Digital Imaging, vol. 17, no. 1, pp. 57?63, 2004.

    [EZW-3D, 3D-CB-EZW] Three-dimensional image compression with integer wavelet transforms,? Applied optics, vol. 39, no. 11, pp. 1799?1814, 2000.

    Some of you have such implementations or can you tell me where I can get them?

    Thanks in advance.

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    Those algorithms are unfamiliar to me, but I did some web searches, and I found a library that may do some of what you need: http://qccpack.sourceforge.net/index.shtml

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    DarkHawk (15th October 2013)

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    Quote Originally Posted by DarkHawk View Post
    Hi all, I need to perform some tests on medical images.
    Sorry, I don't have an implementation of a 3D SPIHT, but out of curiousity: Do you have an implementation of a 3D JPEG 2000? This is both possible with 15444-2 (part-2) as well as a dedicated 3D transformation (15444-11). I believe OpenJPEG should have both, but in case of doubt, I could at least make contacts to the people that wrote part-11, they should have some sources. (I do have a 15444-2 implementation for 3D, but I afraid this one is not publically available).

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    DarkHawk (15th October 2013)

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    Quote Originally Posted by nburns View Post
    Those algorithms are unfamiliar to me, but I did some web searches, and I found a library that may do some of what you need: http://qccpack.sourceforge.net/index.shtml
    First of all, thank you nburns for the valuable information. I know the such library, but however it provides only implementations of 2-D SPIHT.

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    Quote Originally Posted by thorfdbg View Post
    Sorry, I don't have an implementation of a 3D SPIHT, but out of curiousity: Do you have an implementation of a 3D JPEG 2000? This is both possible with 15444-2 (part-2) as well as a dedicated 3D transformation (15444-11). I believe OpenJPEG should have both, but in case of doubt, I could at least make contacts to the people that wrote part-11, they should have some sources. (I do have a 15444-2 implementation for 3D, but I afraid this one is not publically available).
    Thank youthorfdbg for your answer. As regards the implementation of JPEG 2000 (3-D) I know that provided by the software "kakadu" (http://www.kakadusoftware.com/), which implements some portions of JPEG 2000 Part 2 and Part 3. I would be grateful if you could provide me with such implementations. Instead, you can tell me anything about implementations of algorithms EZW-3D, 3D-CB-EZW? Thanks Again.

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    It looks like it has at least some support for 3D-SPIHT:
    http://qccpack.sourceforge.net/Docum...ckSPIHT.3.html

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