Legacy ImageMagick Discussions Archive

Certain JP2000 images fail to decode (I am using identify or convert). I've tried debug mode but it does not give a reason why the image cannot be decoded. The images open fine in Kakadu. Any idea why this image doesn't work?

An example image can be found at: http://chroniclingamerica.loc.gov/lccn/ ... /seq-1.jp2

identify and convert work fine for me, Windows 7, IM 6.6.2-4. What version/platform are you on? If old, an upgrade might help.

The image is also large: 5284x7222. This might be a problem on your machine. Do you have problems with just the large images?

I am using 6.6.2-Q8 on Vista. I can open other JP2 images just fine. The error message is:

error: cannot decode code stream
2010-06-30T09:18:06-06:00 0:00.171 0.016u 6.6.2 Exception Magick[7868]: jp2.c/ReadJP2Image/400/Exception
unable to decode image file `C:\Temp\ImageTest\seq-1.jp2'
2010-06-30T09:18:06-06:00 0:00.187 0.016u 6.6.2 Cache Magick[7868]: cache.c/DestroyPixelCache/1601/Cache
destroy
Magick: unable to decode image file `C:\Temp\ImageTest\seq-1.jp2' @ error/jp2.c/ReadJP2Image/400.

Please tell me more about your install. I installed using a binary install (ImageMagick-6.6.2-4-Q8-windows-static.exe I think).

Same here, the standard Windows static binary, except that mine is Q16 (which needs twice the memory of Q8).

The mention of DestroyPixelCache in the error report suggests a memory issue. My laptop has 4 GB memory. How much do you have? Does closing all other software (browser etc) help? Does the resource monitor (or whatever Vista offers) show a problem?

You might also post the result of:

convert -debug all seq-1.jp2 x.jpg >x.txt

I really appreciate your help. 2 reasons that I don't think it is a memory issue are: 1) I can do an Identify or convert on a TIFF that has the same dimensions and much greater file size and it only makes a small blip in Task Manager memory usage. 2) I can do an identify on a different JP2 that is a little smaller and it works fine.

Instead, I have been suspicious that one of the following things is to blame.
1. The image has 25 layers while other JP2 images have 1 or 2 layers.
2. The image has additional headers with comments and metadata.

Are you using the built-in JP2 coder (Jasper)? Could you send me the output of your "identify -verbose" on the image? This might help me to figure out what is different.

I'm just guessing about the memory. "identify -vebose" shows an interesting ICC profile, but it shouldn't create a problem. Yes, I'm just using the built-in Jasper; nothing weird.

Try "-debug all"; it might show something useful. (But maybe not; it might just confirm that Jasper is falling over.)

Code: Select all

Image: seq-1.jp2
  Format: JP2 (JPEG-2000 File Format Syntax)
  Class: DirectClass
  Geometry: 5284x7222+0+0
  Resolution: 72x72
  Print size: 73.3889x100.306
  Units: Undefined
  Type: Grayscale
  Base type: Grayscale
  Endianess: Undefined
  Colorspace: RGB
  Depth: 8-bit
  Channel depth:
    gray: 8-bit
  Channel statistics:
    Gray:
      min: 0 (0)
      max: 255 (1)
      mean: 197.811 (0.775728)
      standard deviation: 73.123 (0.286757)
      kurtosis: 1.29607
      skewness: -1.60173
  Histogram:
    861354: (  0,  0,  0) #000000 black
    423034: (  1,  1,  1) #010101 rgb(1,1,1)
    214873: (  2,  2,  2) #020202 rgb(2,2,2)
    125408: (  3,  3,  3) #030303 grey1
     88122: (  4,  4,  4) #040404 rgb(4,4,4)
     70373: (  5,  5,  5) #050505 grey2
     56947: (  6,  6,  6) #060606 rgb(6,6,6)
     49455: (  7,  7,  7) #070707 rgb(7,7,7)
     45802: (  8,  8,  8) #080808 grey3
     43484: (  9,  9,  9) #090909 rgb(9,9,9)
     41902: ( 10, 10, 10) #0A0A0A grey4
     40283: ( 11, 11, 11) #0B0B0B rgb(11,11,11)
     38823: ( 12, 12, 12) #0C0C0C rgb(12,12,12)
     38019: ( 13, 13, 13) #0D0D0D grey5
     37153: ( 14, 14, 14) #0E0E0E rgb(14,14,14)
     36582: ( 15, 15, 15) #0F0F0F grey6
     36198: ( 16, 16, 16) #101010 rgb(16,16,16)
     35240: ( 17, 17, 17) #111111 rgb(17,17,17)
     34856: ( 18, 18, 18) #121212 grey7
     34285: ( 19, 19, 19) #131313 rgb(19,19,19)
     34076: ( 20, 20, 20) #141414 grey8
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     33754: ( 22, 22, 22) #161616 rgb(22,22,22)
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     32860: ( 25, 25, 25) #191919 rgb(25,25,25)
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     34833: ( 69, 69, 69) #454545 grey27
     34679: ( 70, 70, 70) #464646 rgb(70,70,70)
     34591: ( 71, 71, 71) #474747 grey28
     34725: ( 72, 72, 72) #484848 rgb(72,72,72)
     34707: ( 73, 73, 73) #494949 rgb(73,73,73)
     34715: ( 74, 74, 74) #4A4A4A grey29
     34931: ( 75, 75, 75) #4B4B4B rgb(75,75,75)
     35596: ( 76, 76, 76) #4C4C4C rgb(76,76,76)
     34974: ( 77, 77, 77) #4D4D4D grey30
     35598: ( 78, 78, 78) #4E4E4E rgb(78,78,78)
     35233: ( 79, 79, 79) #4F4F4F grey31
     35827: ( 80, 80, 80) #505050 rgb(80,80,80)
     36006: ( 81, 81, 81) #515151 rgb(81,81,81)
     35924: ( 82, 82, 82) #525252 grey32
     36546: ( 83, 83, 83) #535353 rgb(83,83,83)
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     36230: ( 87, 87, 87) #575757 grey34
     36928: ( 88, 88, 88) #585858 rgb(88,88,88)
     37242: ( 89, 89, 89) #595959 grey35
     37198: ( 90, 90, 90) #5A5A5A rgb(90,90,90)
     37594: ( 91, 91, 91) #5B5B5B rgb(91,91,91)
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     37787: ( 93, 93, 93) #5D5D5D rgb(93,93,93)
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     39491: ( 98, 98, 98) #626262 rgb(98,98,98)
     39683: ( 99, 99, 99) #636363 grey39
     39928: (100,100,100) #646464 rgb(100,100,100)
     40266: (101,101,101) #656565 rgb(101,101,101)
     40691: (102,102,102) #666666 grey40
     41083: (103,103,103) #676767 rgb(103,103,103)
     41222: (104,104,104) #686868 rgb(104,104,104)
     41523: (105,105,105) #696969 DimGray
     41881: (106,106,106) #6A6A6A rgb(106,106,106)
     42243: (107,107,107) #6B6B6B grey42
     42033: (108,108,108) #6C6C6C rgb(108,108,108)
     42751: (109,109,109) #6D6D6D rgb(109,109,109)
     43131: (110,110,110) #6E6E6E grey43
     42823: (111,111,111) #6F6F6F rgb(111,111,111)
     43386: (112,112,112) #707070 grey44
     43534: (113,113,113) #717171 rgb(113,113,113)
     43906: (114,114,114) #727272 rgb(114,114,114)
     44332: (115,115,115) #737373 grey45
     44505: (116,116,116) #747474 rgb(116,116,116)
     44564: (117,117,117) #757575 grey46
     44601: (118,118,118) #767676 rgb(118,118,118)
     45047: (119,119,119) #777777 rgb(119,119,119)
     45400: (120,120,120) #787878 grey47
     45576: (121,121,121) #797979 rgb(121,121,121)
     46001: (122,122,122) #7A7A7A grey48
     45725: (123,123,123) #7B7B7B rgb(123,123,123)
     46007: (124,124,124) #7C7C7C rgb(124,124,124)
     46364: (125,125,125) #7D7D7D grey49
     46934: (126,126,126) #7E7E7E gray
     46908: (127,127,127) #7F7F7F grey50
     46780: (128,128,128) #808080 fractal
     47320: (129,129,129) #818181 rgb(129,129,129)
     47510: (130,130,130) #828282 grey51
     47704: (131,131,131) #838383 rgb(131,131,131)
     48125: (132,132,132) #848484 rgb(132,132,132)
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     48948: (134,134,134) #868686 rgb(134,134,134)
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     49059: (136,136,136) #888888 rgb(136,136,136)
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     52045: (147,147,147) #939393 rgb(147,147,147)
     52557: (148,148,148) #949494 grey58
     53302: (149,149,149) #959595 rgb(149,149,149)
     53764: (150,150,150) #969696 grey59
     54098: (151,151,151) #979797 rgb(151,151,151)
     54034: (152,152,152) #989898 rgb(152,152,152)
     54531: (153,153,153) #999999 grey60
     54930: (154,154,154) #9A9A9A rgb(154,154,154)
     55319: (155,155,155) #9B9B9B rgb(155,155,155)
     55869: (156,156,156) #9C9C9C grey61
     56525: (157,157,157) #9D9D9D rgb(157,157,157)
     56272: (158,158,158) #9E9E9E grey62
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     57578: (160,160,160) #A0A0A0 rgb(160,160,160)
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     58437: (162,162,162) #A2A2A2 rgb(162,162,162)
     59095: (163,163,163) #A3A3A3 grey64
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     60739: (166,166,166) #A6A6A6 grey65
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     61656: (168,168,168) #A8A8A8 grey66
     62004: (169,169,169) #A9A9A9 DarkGray
     62641: (170,170,170) #AAAAAA rgb(170,170,170)
     63208: (171,171,171) #ABABAB grey67
     64071: (172,172,172) #ACACAC rgb(172,172,172)
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     71694: (180,180,180) #B4B4B4 rgb(180,180,180)
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     83772: (188,188,188) #BCBCBC rgb(188,188,188)
     85665: (189,189,189) #BDBDBD grey74
     87387: (190,190,190) #BEBEBE grey
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     91850: (192,192,192) #C0C0C0 silver
     95262: (193,193,193) #C1C1C1 rgb(193,193,193)
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    100558: (195,195,195) #C3C3C3 rgb(195,195,195)
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    149811: (208,208,208) #D0D0D0 rgb(208,208,208)
    154151: (209,209,209) #D1D1D1 grey82
    161645: (210,210,210) #D2D2D2 rgb(210,210,210)
    166443: (211,211,211) #D3D3D3 LightGray
    173230: (212,212,212) #D4D4D4 grey83
    179617: (213,213,213) #D5D5D5 rgb(213,213,213)
    186261: (214,214,214) #D6D6D6 grey84
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    226920: (220,220,220) #DCDCDC gainsboro
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    271655: (224,224,224) #E0E0E0 grey88
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   1260925: (243,243,243) #F3F3F3 rgb(243,243,243)
   1315991: (244,244,244) #F4F4F4 rgb(244,244,244)
   1339670: (245,245,245) #F5F5F5 grey96
   1333402: (246,246,246) #F6F6F6 rgb(246,246,246)
   1293746: (247,247,247) #F7F7F7 grey97
   1198048: (248,248,248) #F8F8F8 rgb(248,248,248)
   1049745: (249,249,249) #F9F9F9 rgb(249,249,249)
    867840: (250,250,250) #FAFAFA grey98
    669300: (251,251,251) #FBFBFB rgb(251,251,251)
    460289: (252,252,252) #FCFCFC grey99
    339229: (253,253,253) #FDFDFD rgb(253,253,253)
    884878: (254,254,254) #FEFEFE rgb(254,254,254)
    157771: (255,255,255) #FFFFFF white
  Rendering intent: Undefined
  Interlace: None
  Background color: white
  Border color: rgb(223,223,223)
  Matte color: grey74
  Transparent color: black
  Compose: Over
  Page geometry: 5284x7222+0+0
  Dispose: Undefined
  Iterations: 0
  Compression: JPEG2000
  Orientation: Undefined
  Properties:
    date:create: 2010-06-30T16:27:18+01:00
    date:modify: 2010-06-30T16:27:29+01:00
    signature: d3f545934e21e9325b31ef32a060bd0feaf3ee2e7913c36aba982b59287d6450
  Profiles:
    Profile-icc: 394 bytes
      Description: Restricted ICC profile describing sRGB-grey
      Manufacturer: Restricted ICC profile describing sRGB-grey
      Model: Restricted ICC profile describing sRGB-grey
      Copyright: Copyright 2003 sRGB-grey Reference
  Artifacts:
    verbose: true
  Tainted: False
  Filesize: 4.771MB
  Number pixels: 38.16M
  Pixels per second: 5.075M
  User time: 7.519u
  Elapsed time: 0:08.520
  Version: ImageMagick 6.6.2-4 2010-06-07 Q16 http://www.imagemagick.org

Thanks for all of your help. I installed the 16 bit version but still can't do anything with these images. I'm going to setup a linux envronment to see if I get a better result. I don't know what else I can try.

Well, I setup a Linux environment and I am able to decode the sample image on that server. So there is something about my Windows environment that is to blame. Prehaps it is the Vista security model or there is a configuration step that I need to do. What is strange is that I can decode other jp2 images. I'll post more if I ever figure this out.

Ideally, you might try installing ImageMagic on Windows 7, and a fresh Vista installation. Vista uses more resources than Win7, apparently.

You might also try more memory in your computer.

I can't think of any other tests to try. Sorry.

Hi, actually I'm pretty sure *is* a memory issue after all, as I've seen many examples of this behaviour before.

If I use IM's 'identify' command when I'm logged in on Windows as a normal user, I'm getting a 'cannot decode code stream' error as well. When I do exactly the same thing from my administrator account it works fine. I've seen numerous other examples of this behaviour with completely different JP2 files, and I guess that it has something to do with having more memory available as an admin (but I'm not 100% sure). Even as an admin, you may easily run into problems with larger files (ditto with other OSs such as Ubuntu).

Earlier you commented that IM handles much larger TIFF files fine, and that this would rule out a memory problem. However, it's not IM itself that's causing the problem, but the underlying JasPer library that IM uses for de- and encoding JPEG2000 data. JasPer appears to have some pretty serious memory management issues. Other applications that are using it (e.g. XnView) all have similar problems. This basically means that -unless you're dealing with very small images- ImageMagick may simply not be a viable option for dealing with JPEG2000 at the moment.

Unfortunately when it coms to JPEG2000, the choice of available open-source options is still extremely limited ...

Hope this helps,

Johan

Legacy ImageMagick Discussions Archive

Cannot decode JP2000 Images

Cannot decode JP2000 Images

Re: Cannot decode JP2000 Images

Re: Cannot decode JP2000 Images

Re: Cannot decode JP2000 Images

Re: Cannot decode JP2000 Images

Re: Cannot decode JP2000 Images

Re: Cannot decode JP2000 Images

Re: Cannot decode JP2000 Images

Re: Cannot decode JP2000 Images

Re: Cannot decode JP2000 Images

Re: Cannot decode JP2000 Images