[magick-users] convert .dcm to .jpg

[travis noll]

I've finally gotten the libjpeg-6b to compile once
patched by ljpeg-6b.  After that I created a fresh
IM6.3.1 which passes the basic test, and a great deal
of the make check tests.  It fails on tiff,
ghostscript, png, jp2, jbig, fpx, and ept modules.

I'm suffering:

tjn$ convert view0001.dcm view0001.jpg
convert: Unsupported JPEG process: SOF type 0xc3
`/var/tmp/magick-lrPBkNLV'.
convert: missing an image filename `view0001.jpg'.

My first two guesses are
1. My new jpeg binaries aren't being used as the
necessary delegate.  I don't know how to tell
ImageMagic to use them.

or 

2. I am invoking the command incorrectly.

when I -verbose it I get 318 lines of output.  This is
the most image related info I tracked down.

0x1092    1 US-US (0x0028,0x0002) Samples per Pixel: 1
0x109C   12 CS-CS (0x0028,0x0004) Photometric
Interpretation: MONOCHROME2 
0x10B0    1 US-US (0x0028,0x0010) Rows: 256
0x10BA    1 US-US (0x0028,0x0011) Columns: 256
0x10C4   14 DS-DS (0x0028,0x0030) Pixel Spacing:
0.9375\0.9375 
0x10DA    1 US-US (0x0028,0x0100) Bits Allocated: 16
0x10E4    1 US-US (0x0028,0x0101) Bits Stored: 16
0x10EE    1 US-US (0x0028,0x0102) High Bit: 15
0x10F8    1 US-US (0x0028,0x0103) Pixel
Representation: 1
0x1102    1 SS-SS (0x0028,0x0106) Smallest Image Pixel
Value: 0
0x110C    1 SS-SS (0x0028,0x0107) Largest Image Pixel
Value: 516
0x1116    1 SS-SS (0x0028,0x0120) Pixel Padding Value:
0
0x1120    4 DS-DS (0x0028,0x1050) Window Center: 258 
0x112C    4 DS-DS (0x0028,0x1051) Window Width: 516 
0x1138    2 CS-CS (0x0028,0x2110) Lossy Image
Compression: 00

Much thanks for looking.

-Travis

--- omicronpersei8 at imagemagick.org wrote:

> >  I've found testimonies of successful dcm->jpg
> 
> Those DCM images were most likely not losslessly
> compressed JPEG or
> they have a version of ImageMagick that supports
> lossless compression.
> The lossless compression patch I mention is against
> the JPEG delegate
> library, not ImageMagick.  You can find it here:
> 
>  
>
ftp://ftp.imagemagick.org/pub/ImageMagick/delegates/ljpeg-6b.tar.gz
> 


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