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Warning! The .pbm output from Gimp 2.4.5 creates a file that:
1. is not displayed by gThumb
2. is not read properly by pdf417decode
3. displays properly with eog!
If you are using Gimp, I advise to save your file in another format (e.g. TIFF or PNG), then use "convert" from the imagemagick package to write a pbm.
2009-07-27 16:29:04 UTC by stephanb2
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I am using Ubuntu 8.04 (Hardy). As in Debian, the pbm library should be installed with:
aptitude install libnetpbm10-dev
Edit the Makefile to change the following lines:
[01] CFLAGS = -Wall -g -I/usr/include
[17] gcc -g -o $@ $(OBJS) -L/usr/lib -l netpbm
"make" should now find the path to pbm.h and the libnetpbm library.
2009-07-27 16:20:03 UTC by stephanb2
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This patch fixes the pdf417_enc format. It now escapes special characters like carriage return, doublequotes etc. correctly, so the "-e" option now produces a valid input file for pdf417_enc.
2007-12-23 10:37:59 UTC by doj
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This patch lets all error and debug messages print to STDERR. This way they don't disturb the output of the decoded text on STDOUT.
2007-12-23 10:36:04 UTC by doj
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This patch fixes compiler warnings and corrects some typos. It also adds a helptext for command option "-h".
2007-12-23 10:34:09 UTC by doj
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Consider the following code word sequence:
16
502
137
594
608
53(Error - Correct Value 435)
502
137
594
849(Error - Correct Value 608)
435
502
137
594
89(Error - Correct Value 608)
435
457
38
341
312
923
701
601
596
24
546
220
17
141
822
568
402
The above code word sequence is for error correction level 3. Hence, there are 16 error correction codewords which...
2007-01-02 04:44:15 UTC by nobody
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The bug seems to be when the discrepancy computed turns out to be 0, then followed by some other non-zero discrepancy. The shifting appears to be the problem.
2007-01-02 04:37:28 UTC by nobody
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Reed Solomon eroor correction does not work satisfactorily for both errors and erasures. Please let me know if updated version with fully reliable error Correction support available.
Lalit Tewari
lmtewari@yahoo.com.
2006-12-28 06:53:41 UTC by nobody
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hperaza committed patchset 2 of module pdf417decode to the pdf417 decode CVS repository, changing 29 files.
2004-07-29 13:30:53 UTC by hperaza
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hperaza committed patchset 1 of module pdf417decode to the pdf417 decode CVS repository, changing 29 files.
2004-07-29 13:30:53 UTC by hperaza
