DICOM @ OFFIS

Hi, I have a dicom image with signed pixel data. I had applied some windowing in that image and saved in the dicom file. currently i am having a requirement to convert signed pixel data to unsigned pixel data. When i convert the image i have to maintain the windowing also. After converting the image...

Hi ,

I'm trying to send some DICOM images using DIMSE_sendMessageUsingMemoryData its succes for all the single frame images and some multiframe images ( Modality : RF) but its failing for some multi frame images (Modality : US & XA ) .

why is it behaving like that ??

Thanks in advance
Karun

Hi Riesmeier ,

Okkay i got it . we have to specify the transfer syntax and Representation Parameter through chooseRepresentation() , where internal data set maintained by DCMTK contains a collection of it .
right ???

Hi ,

whats happening when we register a compression or decompression codec ??

for example

DJEncoderRegistration::registerCodecs(); // register JPEG codecs

Hi Riesmeier , sorry , im now posting the self running code with minimum LOC . int main() { char uid[100]; DcmFileFormat fileformat; CString csFileName("E:\\input\\test.dcm"); //input is a single frame image OFCondition cond = fileformat.loadFile( csFileName.operator LPCTSTR()); DcmDataset...

Hi Riesmeier , I had used visual studio for debugging the above code . All the conditions were returning OF_OK , except for the code cond=dataset->insert(pixeldata,OFFalse,OFFalse); Its returning OF_ERROR and the text output is "doubled tag " . The actual image is not replaced when i use O...

hi Riesmeier , i had tried putOriginalRepresentation() in the below code .also refered the source code of dump2dcm /** Step 1: INITIALIZATION PART ****/ char uid[100]; DcmFileFormat fileformat; OFCondition cond = fileformat.loadFile( csFileName.operator LPCTSTR()); DcmDataset *dataset = fileformat....

Thanku for the reply , yes the element tag has value before adding the extra frame , after inserting an extra frame . the value is changed to undefined .

my image use lossy image compression , whats the change i have to make in the above code .

Hi , I am new to dicom . looking for a way to insert additional frames into an existing multiframe . code i have done is /* step 1: load dicom image and get data set from dicom image*/ /* step 2: modifiy frame count to required count */ dataset->putAndInsertString(DCM_NumberOfFrames, framecount+1); ...