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split multi page tif and retain the original quality & color

https://imagemagick.com/discourse-server/viewtopic.php?t=23053

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split multi page tif and retain the original quality & color

Posted: 2013-03-27T10:22:28-07:00
by Way2Go
Hi,
I am splitting multi-page tiffs to individual tifs using the following command.

Convert a.tif -scene 1 a%d.tif

However the output images are losing color and the quality of the original image.

How can I just split the image without changing the quality (color, size etc.)


Thanks in advance

Re: split multi page tif and retain the original quality & c

Posted: 2013-03-27T10:36:03-07:00
by fmw42
post a link to your tiff file so it can be examined. It may be that you need to use profiles to maintain quality. Or it may be an issue of compression.

Also please always identify your version of IM and platform when asking questions.

Re: split multi page tif and retain the original quality & c

Posted: 2013-03-28T09:26:28-07:00
by Way2Go
Thanks! I meant to put the version and I forgot. Sorry.

Windows 7 64 bit Machine. ImageMagick 6.8.3 Q16 (32-bit) is the version. I cannot uplaod the image I am testing. I will try to find one test image and upload later.

Any thoughts until then?

Re: split multi page tif and retain the original quality & c

Posted: 2013-03-28T09:45:20-07:00
by snibgo
If the original is plain sRGB, I wouldn't expect any colour issues. If you can't post the image, perhaps you could...

Code: Select all

identify -verbose X.tiff
... and post the results here. Put it between [ code ] and [ /code ] to preserve the formatting.

Re: split multi page tif and retain the original quality & c

Posted: 2013-03-28T20:59:48-07:00
by Way2Go
Thanks for getting back. The output is lengthy one. Also see the warning at the end if it is helpful. Appreciate for checking.

Code: Select all

Image: C:\temp\a.tif
  Format: TIFF (Tagged Image File Format)
  Class: DirectClass
  Geometry: 1664x2199+0+0
  Resolution: 200x200
  Print size: 8.32x10.995
  Units: PixelsPerInch
  Type: Bilevel
  Base type: Bilevel
  Endianess: MSB
  Colorspace: Gray
  Depth: 1-bit
  Channel depth:
    gray: 1-bit
  Channel statistics:
    Gray:
      min: 0 (0)
      max: 1 (1)
      mean: 0.942825 (0.942825)
      standard deviation: 0.232176 (0.232176)
      kurtosis: 12.5509
      skewness: -3.81456
  Colors: 2
  Histogram:
    209210: (  0,  0,  0) #000000 gray(0,0,0)
   3449926: (255,255,255) #FFFFFF gray(255,255,255)
  Rendering intent: Undefined
  Gamma: 1
  Background color: gray(255,255,255)
  Border color: gray(223,223,223)
  Matte color: gray(189,189,189)
  Transparent color: gray(0,0,0)
  Interlace: None
  Intensity: Undefined
  Compose: Over
  Page geometry: 1664x2199+0+0
  Dispose: Undefined
  Iterations: 0
  Scene: 0 of 23
  Compression: Group4
  Orientation: TopLeft
  Properties:
    comment: Kofax PDF Filter - version 3.75.
    date:create: 2013-03-28T23:55:16-04:00
    date:modify: 2013-03-19T00:17:56-04:00
    signature: a82d02b25bf7729003c9cf27e22196be785218d31e8e086e6ba867dd2f5f40a5
    tiff:endian: lsb
    tiff:photometric: min-is-white
    tiff:rows-per-strip: 2199
    tiff:software: Kofax standard Multi-Page TIFF Storage Filter v3.03.000
    tiff:timestamp: 2005:01:14 09:21:13
  Artifacts:
    filename: C:\temp\a.tif
    verbose: true
  Tainted: False
  Filesize: 1.476MB
  Number pixels: 3.659M
  Pixels per second: 9.335MB
  User time: 0.390u
  Elapsed time: 0:01.392
  Version: ImageMagick 6.8.3-10 2013-03-17 Q16 http://www.imagemagick.org
Image: C:\temp\a.tif
  Format: TIFF (Tagged Image File Format)
  Class: DirectClass
  Geometry: 1664x2200+0+0
  Resolution: 200x200
  Print size: 8.32x11
  Units: PixelsPerInch
  Type: Bilevel
  Base type: Bilevel
  Endianess: MSB
  Colorspace: Gray
  Depth: 1-bit
  Channel depth:
    gray: 1-bit
  Channel statistics:
    Gray:
      min: 0 (0)
      max: 1 (1)
      mean: 0.920373 (0.920373)
      standard deviation: 0.270715 (0.270715)
      kurtosis: 7.64509
      skewness: -3.10565
  Colors: 2
  Histogram:
    291498: (  0,  0,  0) #000000 gray(0,0,0)
   3369302: (255,255,255) #FFFFFF gray(255,255,255)
  Rendering intent: Undefined
  Gamma: 1
  Background color: gray(255,255,255)
  Border color: gray(223,223,223)
  Matte color: gray(189,189,189)
  Transparent color: gray(0,0,0)
  Interlace: None
  Intensity: Undefined
  Compose: Over
  Page geometry: 1664x2200+0+0
  Dispose: Undefined
  Iterations: 0
  Scene: 1 of 23
  Compression: Group4
  Orientation: TopLeft
  Properties:
    comment: Kofax PDF Filter - version 3.75.
    date:create: 2013-03-28T23:55:16-04:00
    date:modify: 2013-03-19T00:17:56-04:00
    signature: 9a4812e10a326d23d4b3c802b0dcff88c50c6203c3ac51a72f87a516f324140d
    tiff:endian: lsb
    tiff:photometric: min-is-white
    tiff:rows-per-strip: 2200
    tiff:software: Kofax standard Multi-Page TIFF Storage Filter v3.03.000
    tiff:timestamp: 2005:01:14 09:21:13
  Artifacts:
    filename: C:\temp\a.tif
    verbose: true
  Tainted: False
  Filesize: 1.476MB
  Number pixels: 3.661M
  Pixels per second: 1.15MB
  User time: 3.401u
  Elapsed time: 0:04.184
  Version: ImageMagick 6.8.3-10 2013-03-17 Q16 http://www.imagemagick.org
Image: C:\temp\a.tif
  Format: TIFF (Tagged Image File Format)
  Class: DirectClass
  Geometry: 1664x2197+0+0
  Resolution: 200x200
  Print size: 8.32x10.985
  Units: PixelsPerInch
  Type: Bilevel
  Base type: Bilevel
  Endianess: MSB
  Colorspace: Gray
  Depth: 1-bit
  Channel depth:
    gray: 1-bit
  Channel statistics:
    Gray:
      min: 0 (0)
      max: 1 (1)
      mean: 0.910173 (0.910173)
      standard deviation: 0.285933 (0.285933)
      kurtosis: 6.23124
      skewness: -2.86901
  Colors: 2
  Histogram:
    328389: (  0,  0,  0) #000000 gray(0,0,0)
   3327419: (255,255,255) #FFFFFF gray(255,255,255)
  Rendering intent: Undefined
  Gamma: 1
  Background color: gray(255,255,255)
  Border color: gray(223,223,223)
  Matte color: gray(189,189,189)
  Transparent color: gray(0,0,0)
  Interlace: None
  Intensity: Undefined
  Compose: Over
  Page geometry: 1664x2197+0+0
  Dispose: Undefined
  Iterations: 0
  Scene: 2 of 23
  Compression: Group4
  Orientation: TopLeft
  Properties:
    comment: Kofax PDF Filter - version 3.75.
    date:create: 2013-03-28T23:55:16-04:00
    date:modify: 2013-03-19T00:17:56-04:00
    signature: dc9276ff27b59fab9c4fd566d2e27809451c4d57262ff3e7f44fd8503ae7faae
    tiff:endian: lsb
    tiff:photometric: min-is-white
    tiff:rows-per-strip: 2197
    tiff:software: Kofax standard Multi-Page TIFF Storage Filter v3.03.000
    tiff:timestamp: 2005:01:14 09:21:13
  Artifacts:
    filename: C:\temp\a.tif
    verbose: true
  Tainted: False
  Filesize: 1.476MB
  Number pixels: 3.656M
  Pixels per second: 616KB
  User time: 6.365u
  Elapsed time: 0:06.938
  Version: ImageMagick 6.8.3-10 2013-03-17 Q16 http://www.imagemagick.org
Image: C:\temp\a.tif
  Format: TIFF (Tagged Image File Format)
  Class: DirectClass
  Geometry: 1664x2215+0+0
  Resolution: 200x200
  Print size: 8.32x11.075
  Units: PixelsPerInch
  Type: Bilevel
  Base type: Bilevel
  Endianess: MSB
  Colorspace: Gray
  Depth: 1-bit
  Channel depth:
    gray: 1-bit
  Channel statistics:
    Gray:
      min: 0 (0)
      max: 1 (1)
      mean: 0.925544 (0.925544)
      standard deviation: 0.262512 (0.262512)
      kurtosis: 8.51115
      skewness: -3.24209
  Colors: 2
  Histogram:
    274428: (  0,  0,  0) #000000 gray(0,0,0)
   3411332: (255,255,255) #FFFFFF gray(255,255,255)
  Rendering intent: Undefined
  Gamma: 1
  Background color: gray(255,255,255)
  Border color: gray(223,223,223)
  Matte color: gray(189,189,189)
  Transparent color: gray(0,0,0)
  Interlace: None
  Intensity: Undefined
  Compose: Over
  Page geometry: 1664x2215+0+0
  Dispose: Undefined
  Iterations: 0
  Scene: 3 of 23
  Compression: Group4
  Orientation: TopLeft
  Properties:
    comment: Kofax PDF Filter - version 3.75.
    date:create: 2013-03-28T23:55:16-04:00
    date:modify: 2013-03-19T00:17:56-04:00
    signature: d5f75a59a332cc7660d3d0b1d840512cc80d4246a6292c64c8ddf738d14eb036
    tiff:endian: lsb
    tiff:photometric: min-is-white
    tiff:rows-per-strip: 2215
    tiff:software: Kofax standard Multi-Page TIFF Storage Filter v3.03.000
    tiff:timestamp: 2005:01:14 09:21:14
  Artifacts:
    filename: C:\temp\a.tif
    verbose: true
  Tainted: False
  Filesize: 1.476MB
  Number pixels: 3.686M
  Pixels per second: 424KB
  User time: 9.360u
  Elapsed time: 0:09.690
  Version: ImageMagick 6.8.3-10 2013-03-17 Q16 http://www.imagemagick.org
Image: C:\temp\a.tif
  Format: TIFF (Tagged Image File Format)
  Class: DirectClass
  Geometry: 1664x2216+0+0
  Resolution: 200x200
  Print size: 8.32x11.08
  Units: PixelsPerInch
  Type: Bilevel
  Base type: Bilevel
  Endianess: MSB
  Colorspace: Gray
  Depth: 1-bit
  Channel depth:
    gray: 1-bit
  Channel statistics:
    Gray:
      min: 0 (0)
      max: 1 (1)
      mean: 0.953876 (0.953876)
      standard deviation: 0.209753 (0.209753)
      kurtosis: 16.7293
      skewness: -4.32773
  Colors: 2
  Histogram:
    170077: (  0,  0,  0) #000000 gray(0,0,0)
   3517347: (255,255,255) #FFFFFF gray(255,255,255)
  Rendering intent: Undefined
  Gamma: 1
  Background color: gray(255,255,255)
  Border color: gray(223,223,223)
  Matte color: gray(189,189,189)
  Transparent color: gray(0,0,0)
  Interlace: None
  Intensity: Undefined
  Compose: Over
  Page geometry: 1664x2216+0+0
  Dispose: Undefined
  Iterations: 0
  Scene: 4 of 23
  Compression: Group4
  Orientation: TopLeft
  Properties:
    comment: Kofax PDF Filter - version 3.75.
    date:create: 2013-03-28T23:55:16-04:00
    date:modify: 2013-03-19T00:17:56-04:00
    signature: d1b3213a40f29f1f4c471b6ac6038d1a50a453082fd8cd451489e3daec58ef0e
    tiff:endian: lsb
    tiff:photometric: min-is-white
    tiff:rows-per-strip: 2216
    tiff:software: Kofax standard Multi-Page TIFF Storage Filter v3.03.000
    tiff:timestamp: 2005:01:14 09:21:14
  Artifacts:
    filename: C:\temp\a.tif
    verbose: true
  Tainted: False
  Filesize: 1.476MB
  Number pixels: 3.687M
  Pixels per second: 322KB
  User time: 12.230u
  Elapsed time: 0:12.448
  Version: ImageMagick 6.8.3-10 2013-03-17 Q16 http://www.imagemagick.org
Image: C:\temp\a.tif
  Format: TIFF (Tagged Image File Format)
  Class: DirectClass
  Geometry: 1664x2002+0+0
  Resolution: 200x200
  Print size: 8.32x10.01
  Units: PixelsPerInch
  Type: Bilevel
  Base type: Bilevel
  Endianess: MSB
  Colorspace: Gray
  Depth: 1-bit
  Channel depth:
    gray: 1-bit
  Channel statistics:
    Gray:
      min: 0 (0)
      max: 1 (1)
      mean: 0.924929 (0.924929)
      standard deviation: 0.263506 (0.263506)
      kurtosis: 8.40189
      skewness: -3.2252
  Colors: 2
  Histogram:
    250086: (  0,  0,  0) #000000 gray(0,0,0)
   3081242: (255,255,255) #FFFFFF gray(255,255,255)
  Rendering intent: Undefined
  Gamma: 1
  Background color: gray(255,255,255)
  Border color: gray(223,223,223)
  Matte color: gray(189,189,189)
  Transparent color: gray(0,0,0)
  Interlace: None
  Intensity: Undefined
  Compose: Over
  Page geometry: 1664x2002+0+0
  Dispose: Undefined
  Iterations: 0
  Scene: 5 of 23
  Compression: Group4
  Orientation: TopLeft
  Properties:
    comment: Kofax PDF Filter - version 3.75.
    date:create: 2013-03-28T23:55:16-04:00
    date:modify: 2013-03-19T00:17:56-04:00
    signature: c472932a47cc9fd4765624781b8bb7b771d62ee08bc371620934c9ac1407ed63
    tiff:endian: lsb
    tiff:photometric: min-is-white
    tiff:rows-per-strip: 2002
    tiff:software: Kofax standard Multi-Page TIFF Storage Filter v3.03.000
    tiff:timestamp: 2005:01:14 09:21:15
  Artifacts:
    filename: C:\temp\a.tif
    verbose: true
  Tainted: False
  Filesize: 1.476MB
  Number pixels: 3.331M
  Pixels per second: 234KB
  User time: 15.210u
  Elapsed time: 0:15.226
  Version: ImageMagick 6.8.3-10 2013-03-17 Q16 http://www.imagemagick.org
Image: C:\temp\a.tif
  Format: TIFF (Tagged Image File Format)
  Class: DirectClass
  Geometry: 1664x2215+0+0
  Resolution: 200x200
  Print size: 8.32x11.075
  Units: PixelsPerInch
  Type: Bilevel
  Base type: Bilevel
  Endianess: MSB
  Colorspace: Gray
  Depth: 1-bit
  Channel depth:
    gray: 1-bit
  Channel statistics:
    Gray:
      min: 0 (0)
      max: 1 (1)
      mean: 0.936488 (0.936488)
      standard deviation: 0.243881 (0.243881)
      kurtosis: 10.8129
      skewness: -3.57952
  Colors: 2
  Histogram:
    234089: (  0,  0,  0) #000000 gray(0,0,0)
   3451671: (255,255,255) #FFFFFF gray(255,255,255)
  Rendering intent: Undefined
  Gamma: 1
  Background color: gray(255,255,255)
  Border color: gray(223,223,223)
  Matte color: gray(189,189,189)
  Transparent color: gray(0,0,0)
  Interlace: None
  Intensity: Undefined
  Compose: Over
  Page geometry: 1664x2215+0+0
  Dispose: Undefined
  Iterations: 0
  Scene: 6 of 23
  Compression: Group4
  Orientation: TopLeft
  Properties:
    comment: Kofax PDF Filter - version 3.75.
    date:create: 2013-03-28T23:55:16-04:00
    date:modify: 2013-03-19T00:17:56-04:00
    signature: 9dafd565ec1c35111758f03e393851bf2fc58bd647c632a60f3028c4cc2f28d0
    tiff:endian: lsb
    tiff:photometric: min-is-white
    tiff:rows-per-strip: 2215
    tiff:software: Kofax standard Multi-Page TIFF Storage Filter v3.03.000
    tiff:timestamp: 2005:01:14 09:21:15
  Artifacts:
    filename: C:\temp\a.tif
    verbose: true
  Tainted: False
  Filesize: 1.476MB
  Number pixels: 3.686M
  Pixels per second: 220KB
  User time: 17.878u
  Elapsed time: 0:17.744
  Version: ImageMagick 6.8.3-10 2013-03-17 Q16 http://www.imagemagick.org
Image: C:\temp\a.tif
  Format: TIFF (Tagged Image File Format)
  Class: DirectClass
  Geometry: 1664x2208+0+0
  Resolution: 200x200
  Print size: 8.32x11.04
  Units: PixelsPerInch
  Type: Bilevel
  Base type: Bilevel
  Endianess: MSB
  Colorspace: Gray
  Depth: 1-bit
  Channel depth:
    gray: 1-bit
  Channel statistics:
    Gray:
      min: 0 (0)
      max: 1 (1)
      mean: 0.965934 (0.965934)
      standard deviation: 0.181398 (0.181398)
      kurtosis: 24.3904
      skewness: -5.13715
  Colors: 2
  Histogram:
    125161: (  0,  0,  0) #000000 gray(0,0,0)
   3548951: (255,255,255) #FFFFFF gray(255,255,255)
  Rendering intent: Undefined
  Gamma: 1
  Background color: gray(255,255,255)
  Border color: gray(223,223,223)
  Matte color: gray(189,189,189)
  Transparent color: gray(0,0,0)
  Interlace: None
  Intensity: Undefined
  Compose: Over
  Page geometry: 1664x2208+0+0
  Dispose: Undefined
  Iterations: 0
  Scene: 7 of 23
  Compression: Group4
  Orientation: TopLeft
  Properties:
    comment: Kofax PDF Filter - version 3.75.
    date:create: 2013-03-28T23:55:16-04:00
    date:modify: 2013-03-19T00:17:56-04:00
    signature: 4ec3ef683165292a807db1934697c08f26672e4d5a7176ee862c0a9a81da5734
    tiff:endian: lsb
    tiff:photometric: min-is-white
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    tiff:software: Kofax standard Multi-Page TIFF Storage Filter v3.03.000
    tiff:timestamp: 2005:01:14 09:21:17
  Artifacts:
    filename: C:\temp\a.tif
    verbose: true
  Tainted: False
  Filesize: 1.476MB
  Number pixels: 3.674M
  Pixels per second: 188KB
  User time: 20.857u
  Elapsed time: 0:20.514
  Version: ImageMagick 6.8.3-10 2013-03-17 Q16 http://www.imagemagick.org
Image: C:\temp\a.tif
  Format: TIFF (Tagged Image File Format)
  Class: DirectClass
  Geometry: 1680x2200+0+0
  Resolution: 200x200
  Print size: 8.4x11
  Units: PixelsPerInch
  Type: TrueColor
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    green: 8-bit
    blue: 8-bit
  Channel statistics:
    Red:
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      max: 255 (1)
      mean: 171.815 (0.673783)
      standard deviation: 74.9214 (0.293809)
      kurtosis: 0.128999
      skewness: -1.18166
    Green:
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      max: 255 (1)
      mean: 154.541 (0.606043)
      standard deviation: 97.937 (0.384067)
      kurtosis: -1.24602
      skewness: -0.748344
    Blue:
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      max: 255 (1)
      mean: 150.694 (0.590958)
      standard deviation: 98.469 (0.386153)
      kurtosis: -1.29611
      skewness: -0.760593
  Image statistics:
    Overall:
      min: 0 (0)
      max: 255 (1)
      mean: 159.017 (0.623595)
      standard deviation: 91.1062 (0.357279)
      kurtosis: -0.860545
      skewness: -0.916868
  Rendering intent: Perceptual
  Gamma: 0.454545
  Chromaticity:
    red primary: (0.64,0.33)
    green primary: (0.3,0.6)
    blue primary: (0.15,0.06)
    white point: (0.3127,0.329)
  Background color: white
  Border color: srgb(223,223,223)
  Matte color: grey74
  Transparent color: black
  Interlace: None
  Intensity: Undefined
  Compose: Over
  Page geometry: 1680x2200+0+0
  Dispose: Undefined
  Iterations: 0
  Scene: 8 of 23
  Compression: JPEG
  Orientation: TopLeft
  Properties:
    comment: Kofax PDF Filter - version 3.75.
    date:create: 2013-03-28T23:55:16-04:00
    date:modify: 2013-03-19T00:17:56-04:00
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    tiff:timestamp: 2005:01:14 09:21:20
  Artifacts:
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    verbose: true
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  Number pixels: 3.696M
  Pixels per second: 166KB
  User time: 23.806u
  Elapsed time: 0:23.272
  Version: ImageMagick 6.8.3-10 2013-03-17 Q16 http://www.imagemagick.org
Image: C:\temp\a.tif
  Format: TIFF (Tagged Image File Format)
  Class: DirectClass
  Geometry: 1664x2216+0+0
  Resolution: 200x200
  Print size: 8.32x11.08
  Units: PixelsPerInch
  Type: Bilevel
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  Colorspace: Gray
  Depth: 1-bit
  Channel depth:
    gray: 1-bit
  Channel statistics:
    Gray:
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      mean: 0.933514 (0.933514)
      standard deviation: 0.24913 (0.24913)
      kurtosis: 10.112
      skewness: -3.48023
  Colors: 2
  Histogram:
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   3442262: (255,255,255) #FFFFFF gray(255,255,255)
  Rendering intent: Undefined
  Gamma: 1
  Background color: gray(255,255,255)
  Border color: gray(223,223,223)
  Matte color: gray(189,189,189)
  Transparent color: gray(0,0,0)
  Interlace: None
  Intensity: Undefined
  Compose: Over
  Page geometry: 1664x2216+0+0
  Dispose: Undefined
  Iterations: 0
  Scene: 9 of 23
  Compression: Group4
  Orientation: TopLeft
  Properties:
    comment: Kofax PDF Filter - version 3.75.
    date:create: 2013-03-28T23:55:16-04:00
    date:modify: 2013-03-19T00:17:56-04:00
    signature: 6470f5843dca6203c76d318045eabe92b9ab25a2a75611475ef363f78639706e
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    tiff:software: Kofax standard Multi-Page TIFF Storage Filter v3.03.000
    tiff:timestamp: 2005:01:14 09:21:20
  Artifacts:
    filename: C:\temp\a.tif
    verbose: true
  Tainted: False
  Filesize: 1.476MB
  Number pixels: 3.687M
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Image: C:\temp\a.tif
  Format: TIFF (Tagged Image File Format)
  Class: DirectClass
  Geometry: 1664x2213+0+0
  Resolution: 200x200
  Print size: 8.32x11.065
  Units: PixelsPerInch
  Type: Bilevel
  Base type: Bilevel
  Endianess: MSB
  Colorspace: Gray
  Depth: 1-bit
  Channel depth:
    gray: 1-bit
  Channel statistics:
    Gray:
      min: 0 (0)
      max: 1 (1)
      mean: 0.895515 (0.895515)
      standard deviation: 0.305889 (0.305889)
      kurtosis: 4.68743
      skewness: -2.58601
  Colors: 2
  Histogram:
    384759: (  0,  0,  0) #000000 gray(0,0,0)
   3297673: (255,255,255) #FFFFFF gray(255,255,255)
  Rendering intent: Undefined
  Gamma: 1
  Background color: gray(255,255,255)
  Border color: gray(223,223,223)
  Matte color: gray(189,189,189)
  Transparent color: gray(0,0,0)
  Interlace: None
  Intensity: Undefined
  Compose: Over
  Page geometry: 1664x2213+0+0
  Dispose: Undefined
  Iterations: 0
  Scene: 21 of 23
  Compression: Group4
  Orientation: TopLeft
  Properties:
    comment: Kofax PDF Filter - version 3.75.
    date:create: 2013-03-28T23:55:16-04:00
    date:modify: 2013-03-19T00:17:56-04:00
    signature: 25727111e951f207f465e420156fd3b2a0fee9e2f0ee9d8720ec9562174a7570
    tiff:endian: lsb
    tiff:photometric: min-is-white
    tiff:rows-per-strip: 2213
    tiff:software: Kofax standard Multi-Page TIFF Storage Filter v3.03.000
    tiff:timestamp: 2005:01:14 09:21:27
  Artifacts:
    filename: C:\temp\a.tif
    verbose: true
  Tainted: False
  Filesize: 1.476MB
  Number pixels: 3.682M
  Pixels per second: 64.6KB
  User time: 61.386u
  Elapsed time: 0:57.975
  Version: ImageMagick 6.8.3-10 2013-03-17 Q16 http://www.imagemagick.org
Image: C:\temp\a.tif
  Format: TIFF (Tagged Image File Format)
  Class: DirectClass
  Geometry: 1664x2213+0+0
  Resolution: 200x200
  Print size: 8.32x11.065
  Units: PixelsPerInch
  Type: Bilevel
  Base type: Bilevel
  Endianess: MSB
  Colorspace: Gray
  Depth: 1-bit
  Channel depth:
    gray: 1-bit
  Channel statistics:
    Gray:
      min: 0 (0)
      max: 1 (1)
      mean: 0.901012 (0.901012)
      standard deviation: 0.298646 (0.298646)
      kurtosis: 5.21211
      skewness: -2.68554
  Colors: 2
  Histogram:
    364516: (  0,  0,  0) #000000 gray(0,0,0)
   3317916: (255,255,255) #FFFFFF gray(255,255,255)
  Rendering intent: Undefined
  Gamma: 1
  Background color: gray(255,255,255)
  Border color: gray(223,223,223)
  Matte color: gray(189,189,189)
  Transparent color: gray(0,0,0)
  Interlace: None
  Intensity: Undefined
  Compose: Over
  Page geometry: 1664x2213+0+0
  Dispose: Undefined
  Iterations: 0
  Scene: 22 of 23
  Compression: Group4
  Orientation: TopLeft
  Properties:
    comment: Kofax PDF Filter - version 3.75.
    date:create: 2013-03-28T23:55:16-04:00
    date:modify: 2013-03-19T00:17:56-04:00
    signature: 87087e49003c25f3bd6e9207fc7d3dbfd1e7c21349def258815eec0ea7bc4da5
    tiff:endian: lsb
    tiff:photometric: min-is-white
    tiff:rows-per-strip: 2213
    tiff:software: Kofax standard Multi-Page TIFF Storage Filter v3.03.000
    tiff:timestamp: 2005:01:14 09:21:27
  Artifacts:
    filename: C:\temp\a.tif
    verbose: true
  Tainted: False
  Filesize: 1.476MB
  Number pixels: 3.682M
  Pixels per second: 61.6KB
  User time: 64.506u
  Elapsed time: 0:60.814
  Version: ImageMagick 6.8.3-10 2013-03-17 Q16 http://www.imagemagick.org

Re: split multi page tif and retain the original quality & c

Posted: 2013-03-28T21:06:04-07:00
by fmw42
Your input tiff file is simple bilevel (only two colors --- black and white) and compressed with group 4 compression. I do not see how it can lose quality when separating pages unless the compression is changing. Post the same information for one of the separated output images.

It is also odd that IM sees it as MSB endian, but the TIFF properties shows it as LSB endian.

Re: split multi page tif and retain the original quality & c

Posted: 2013-03-29T03:15:08-07:00
by snibgo
Of the 23 pages, 22 are bilevel. The other (#8, if I can count correctly) is truecolor, with jpeg compression. I can't see anything weird about it. Is this the page that is causing problems?

Maybe try converting just that page:

Code: Select all

convert a.tif[8] a8.tif

Re: split multi page tif and retain the original quality & c

Posted: 2013-03-29T10:42:12-07:00
by fmw42
I do not think one different page would affect all the rest. Please show us the output verbose information you get from any of the others, say the very first page. But it is really hard to know without seeing what you mean by quality changes. But lets see your verbose information for one of the output pages.

Did you try converting them one page at a time.

convert image.tif[0] newimage_0.tif

Does that make any difference?


Can you post the verbose info for that

identify -verbose image.tif[0]
identify -verbose newimage_0.tif

so we can see if anything is changing. Also you view the two images and try to explain what is actually different?

You can even do

compare -metric rmse image.tif[0] newimage_0.tif null:

and let us know what the resulting message is

Re: split multi page tif and retain the original quality & c

Posted: 2013-05-07T10:52:25-07:00
by Way2Go
I am sorry! It took long to get back. Converting page by page did the trick and this is resolved.

Thanks for your help and inputs.
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