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[Octave-bug-tracker] [bug #41768] imdither() calls imwrite() in the wron

From: anonymous
Subject: [Octave-bug-tracker] [bug #41768] imdither() calls imwrite() in the wrong way (Package: image)
Date: Mon, 03 Mar 2014 16:48:52 +0000
User-agent: Opera/9.80 (X11; Linux x86_64) Presto/2.12.388 Version/12.16


                 Summary: imdither() calls imwrite() in the wrong way
(Package: image)
                 Project: GNU Octave
            Submitted by: None
            Submitted on: Mo 03 Mär 2014 16:48:51 UTC
                Category: Octave Forge Package
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Incorrect Result
                  Status: None
             Assigned to: None
         Originator Name: Gabriel Schumann
        Originator Email: address@hidden
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 3.8.0
        Operating System: Any



Calling imdither() on an image results in the following error:

error: Invalid call to imwrite.  Correct usage is:

in 3.6.4 on Debian Jessie or

error: imwrite: no FILENAME specified

in 3.8.0 on Windows.

Code, which results in an error as explained above:

img = imread('colpeppers.jpg');
[img2,map] = imdither(img,256);


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