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Re: Problem reading DICOM files with IDL [message #35951 is a reply to message #35948]

Mon, 28 July 2003 08:02

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Nuno Chichorro Ferreira writes:

> I apologize if this has already been answered before. I have been unable
> to read DICOM files with IDL 5.3/5.4, can someone help me?
>
> The files I want to read are in DICOM compressed format (JPEG), but IDL
> only reads the size of the image, not the data. I know that IDL does not
> support compressed files (at least the 5.3/5.4 versions), but the same
> happens with the uncompressed files I have created by reading them with
> a DICOM viewer - Osiris - and saving them without compression.
>
> Can anyone find an easy solution for the problem?
> Many thanks,
>
> Nuno
>
> P.S. - The following is the error message I get when reading the
> compressed DICOM files:
>
> IDL> img=read_dicom(file)
> % Compiled module: READ_DICOM.
> % Loaded DLM: DICOM.
> % IDLFFDICOM::READ: This file uses the following compression type for
> its image(s): JPEG Lossless, Non-Hierarchical, First Order Prediction
> (Process 14)
>
> % IDLFFDICOM::READ: ** Unable to handle compressed data!!! **
>
> % IDLFFDICOM::READ: This image has an undefined length and may not be
> read properly.

It would be more helpful to see the error messages
caused by reading the uncompressed files, since even
you admit IDL isn't going to read the compressed files.

Sigh...

Cheers,

David

--
David W. Fanning, Ph.D.
Fanning Software Consulting, Inc.
Phone: 970-221-0438, E-mail: david@dfanning.com
Coyote's Guide to IDL Programming: http://www.dfanning.com/
Toll-Free IDL Book Orders: 1-888-461-0155

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[Message index]

		Re: Problem reading DICOM files with IDL By: Wonko[3] on Wed, 30 July 2003 06:38
		Re: Problem reading DICOM files with IDL By: Nuno Ferreira on Tue, 29 July 2003 07:52
		Re: Problem reading DICOM files with IDL By: Rick Towler on Mon, 28 July 2003 09:15
		Re: Problem reading DICOM files with IDL By: David Fanning on Mon, 28 July 2003 08:02

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