Search found 17 matches
- Wed, 2010-05-05, 14:04
- Forum: DCMTK - General
- Topic: Use dcmdump to extract LUT Data
- Replies: 1
- Views: 3877
Use dcmdump to extract LUT Data
When I use dcmdump to extract Dicom-data-set from several test files ,which can be found here , http://barre.nom.fr/medical/samples/ . e.g. I use the following command to extract the dicom-data-set, dcmdump dcmfile-in a.dcm I never find the tag (0028,3000)Modality LUT sequence or (0028,3010)VOI LUT ...
- Wed, 2010-05-05, 13:26
- Forum: DCMTK - General
- Topic: question about dcmjpeg module
- Replies: 3
- Views: 4527
check both files with dcmdump. I guess the Pixel Data element became larger? Yes , the original one has 7FE0,0000,Pixel Data Group Length=718960 the new one has 7FE0,0000,Pixel Data Group Length=777672 Also check whether the color model changed, i.e. look at tag Photometric Interpretation. original...
- Wed, 2010-05-05, 12:37
- Forum: DCMTK - General
- Topic: question about dcmjpeg module
- Replies: 3
- Views: 4527
question about dcmjpeg module
Dear OFFIS group, Recently I am using the dcmjpeg module to process a dicom file with compressed pixel values (Transfer syntax is JPEGProcess14SV1TransferSyntax), the download link to this file is as follows , http://barre.nom.fr/medical/samples/files/MR-MONO2-12-shoulder.gz I decompress this file a...
- Wed, 2010-04-28, 09:21
- Forum: DCMTK - General
- Topic: How to read out P-values by using DCMTK
- Replies: 1
- Views: 2875
How to read out P-values by using DCMTK
which function can be used to read out P-values with the help of DCMTK toolkit?
Thanks in advance!
Thanks in advance!
- Tue, 2010-04-27, 10:55
- Forum: DCMTK - General
- Topic: How DICOM viewer display the image within a dicom file.
- Replies: 0
- Views: 16238
How DICOM viewer display the image within a dicom file.
hi, I have a dicom file ,the stored image under test is (16,12,11, PR=0) with VR=OW. I use findAndGetUint16Array() to get the raw pixel values ,and find out the max pixel value is 1287, and the min pixel value is 1008. I have the following questions , (1) when dicom viewer displays this image on a c...
- Wed, 2010-04-21, 16:43
- Forum: DCMTK - General
- Topic: A question about pixel value
- Replies: 2
- Views: 3452
- Wed, 2010-04-21, 16:16
- Forum: DCMTK - General
- Topic: A question about pixel value
- Replies: 2
- Views: 3452
A question about pixel value
when I read the raw pixel value from a dicom file (16,16,15) PR=1 ,the maximum value is 63535 , but it corresponds to a black pixel , I think it should be a white pixel ,right?
in (8,8,7) case the maximum value 255 corresponds to a white pixel.
Can anybody give me some ideas ? thanks in advance!
in (8,8,7) case the maximum value 255 corresponds to a white pixel.
Can anybody give me some ideas ? thanks in advance!
- Fri, 2010-04-16, 08:18
- Forum: DCMTK - General
- Topic: Process compressed pixel data.
- Replies: 1
- Views: 2780
- Sun, 2010-04-11, 21:32
- Forum: DCMTK - General
- Topic: Process compressed pixel data.
- Replies: 1
- Views: 2780
Process compressed pixel data.
First I should thank you all for providing me great help of processing uncompressed pixel data. Now I want to process compressed pixel data , My application is that ,I want to add watermark to the image embedded in the dicom file . I need to do the following steps , (1) read out the pixel data (2) d...
- Sun, 2010-04-11, 21:15
- Forum: DCMTK - General
- Topic: modify pixel value while leave meta data unchanged.
- Replies: 7
- Views: 7581
- Wed, 2010-04-07, 09:12
- Forum: DCMTK - General
- Topic: modify pixel value while leave meta data unchanged.
- Replies: 7
- Views: 7581
Thanks for your advices ! They help me a lot! And I am looking forward to the next release 3.5.5. And here is another question ,this time is about DICOMDIR . Yesterday I got a got a disk from one of a friends ,who hurts his leg last month, in this disk there exist a DICOM viewer and a DICOM file con...
- Mon, 2010-04-05, 14:16
- Forum: DCMTK - General
- Topic: modify pixel value while leave meta data unchanged.
- Replies: 7
- Views: 7581
- Mon, 2010-04-05, 12:28
- Forum: DCMTK - General
- Topic: modify pixel value while leave meta data unchanged.
- Replies: 7
- Views: 7581
modify pixel value while leave meta data unchanged.
I want to modify the pixel data ,e.g. add watermark to them ,this step I have finished ,but when I save the file,I found some of the meta information changed, e.g filemetainformationgrouplength, identifyinggrouplength,and so on, Can anyone give some idea on how to avoid revising the meta information...
- Thu, 2010-04-01, 16:21
- Forum: DCMTK - General
- Topic: A question about VR
- Replies: 2
- Views: 3283
- Thu, 2010-04-01, 10:36
- Forum: DCMTK - General
- Topic: A question about VR
- Replies: 2
- Views: 3283
A question about VR
I want to get the VR of Pixel data (7FE0,0010).
I use the following code:
DcmTag dcmtag(DCM_PixelData);
const char* vr_name;
vr_name=dcmtag.getVRName();
But I always get the a value of "ox", while in fact it should be OW or OB.
Can anybody give me a hint?
thanks a lot!
I use the following code:
DcmTag dcmtag(DCM_PixelData);
const char* vr_name;
vr_name=dcmtag.getVRName();
But I always get the a value of "ox", while in fact it should be OW or OB.
Can anybody give me a hint?
thanks a lot!