Search found 4 matches

by zhangfubin119
Tue, 2019-05-07, 06:40
Forum: DCMTK - General
Topic: How to generate DICOM JPEG compression image without JFIF header
Replies: 7
Views: 110

Re: How to generate DICOM JPEG compression image without JFIF header

Michael, Thanks so much for your confirmation and sample image. I found a solution that there is no APP0 info( FF E0...) in compressed JPEG file by DCMTK. My test file is XA image with photo metric interpretation "MONOCHROME2". My solution is: 1, Set value of tag PhotoMetricInterpretation(0028,0004)...
by zhangfubin119
Sun, 2019-05-05, 09:40
Forum: DCMTK - General
Topic: How to generate DICOM JPEG compression image without JFIF header
Replies: 7
Views: 110

Re: How to generate DICOM JPEG compression image without JFIF header

Michael, Thanks for your comments. I try to compress my original DICOM file(Un-compression, XA, MONOCHROME2) to JPEG transfer syntax with "dcmcjpeg input.dcm output.dcm". And I found there still is APP0 info " FF E0 00 10 4A 46 49 46 00 01 01 00 00 01 00 01 00 00" in output.dcm. Such file with APP0 ...
by zhangfubin119
Wed, 2019-04-24, 06:50
Forum: DCMTK - General
Topic: How to generate DICOM JPEG compression image without JFIF header
Replies: 7
Views: 110

Re: How to generate DICOM JPEG compression image without JFIF header

Hi Michael, Thanks for your reply. Actually, I used sample code "https://support.dcmtk.org/docs/mod_dcmjpeg.html" to compress XA image. I can find the following marker in compressed file. "FF D8 FF E0 00 10 4A 46 49 46 00 01 01 00 00 01 00 01 00 00 FF C3" There is APP0 info between FF D8 and FF C3. ...
by zhangfubin119
Mon, 2019-04-22, 13:14
Forum: DCMTK - General
Topic: How to generate DICOM JPEG compression image without JFIF header
Replies: 7
Views: 110

How to generate DICOM JPEG compression image without JFIF header

Hi, Teachers, I am a DICOM developer from china. I am developping a project on JPEG compression。 and I used transfer syntax 1.2.840.10008.1.2.4.70. I tried to use sample code of DCMTK org to compress XA(monochrome2 and multi-frames) DICOM image. but the compressed image cannot be decompressed by oth...