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<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<!DOCTYPE MAN SYSTEM "mansivp.dtd">
<MAN>
<LANGUAGE>eng</LANGUAGE>
<TITLE>imwrite</TITLE>
<TYPE>SIVP Toolbox</TYPE>
<DATE>Oct, 2006</DATE>
<SHORT_DESCRIPTION name="imwrite">Write image to file</SHORT_DESCRIPTION>
<CALLING_SEQUENCE>
<CALLING_SEQUENCE_ITEM>ret=imwrite(im, filename)</CALLING_SEQUENCE_ITEM>
</CALLING_SEQUENCE>
<PARAM>
<PARAM_INDENT>
<PARAM_ITEM>
<PARAM_NAME>im</PARAM_NAME>
<PARAM_DESCRIPTION>
<TT>im</TT> can be an M-by-N (greyscale image) or M-by-N-by-3 (color image) matrix.
If <TT>im</TT> is not of class uint8, <TT>imwrite</TT> will convert the datatype before writing using <TT>im2uint8(im)</TT>.
</PARAM_DESCRIPTION>
</PARAM_ITEM>
<PARAM_ITEM>
<PARAM_NAME>filename</PARAM_NAME>
<PARAM_DESCRIPTION>
A string that specifies the name of the output file.
</PARAM_DESCRIPTION>
</PARAM_ITEM>
<PARAM_ITEM>
<PARAM_NAME>ret</PARAM_NAME>
<PARAM_DESCRIPTION>
Return value. If the image is successfully writed into a file, <TT>ret</TT> will be 1.
</PARAM_DESCRIPTION>
</PARAM_ITEM>
</PARAM_INDENT>
</PARAM>
<DESCRIPTION>
<P>
<TT>imwrite</TT> writes a matrix into a image file. The format of the file is inferred from the extension in the <TT>filename</TT> parameter. Currently the following file formats are supported:</P>
<DESCRIPTION_INDENT><DESCRIPTION_ITEM>
* Windows bitmaps - BMP, DIB;
</DESCRIPTION_ITEM></DESCRIPTION_INDENT>
<DESCRIPTION_INDENT><DESCRIPTION_ITEM>
* JPEG files - JPEG, JPG, JPE;
</DESCRIPTION_ITEM></DESCRIPTION_INDENT>
<DESCRIPTION_INDENT><DESCRIPTION_ITEM>
* Portable Network Graphics - PNG;
</DESCRIPTION_ITEM></DESCRIPTION_INDENT>
<DESCRIPTION_INDENT><DESCRIPTION_ITEM>
* Portable image format - PBM, PGM, PPM;
</DESCRIPTION_ITEM></DESCRIPTION_INDENT>
<DESCRIPTION_INDENT><DESCRIPTION_ITEM>
* Sun rasters - SR, RAS;
</DESCRIPTION_ITEM></DESCRIPTION_INDENT>
<DESCRIPTION_INDENT><DESCRIPTION_ITEM>
* TIFF files - TIFF, TIF.
</DESCRIPTION_ITEM></DESCRIPTION_INDENT>
</DESCRIPTION>
<EXAMPLE><![CDATA[
im=rand(200,300);
ret = imwrite(im, 'rand.png');
]]></EXAMPLE>
<!-- ================================= -->
<AUTHORS>
<AUTHORS_ITEM name="Shiqi"> Shiqi Yu <shiqi.yu[at]gmail.com> </AUTHORS_ITEM>
</AUTHORS>
<!-- ================================= -->
<SECTION label="Bugs and Shortcomings">
<P>
Images with a palette are not supported.
</P>
</SECTION>
<!-- ================================= -->
<SECTION label="Availability">
The latest version of SIVP can be found at
<P><A href="http://sivp.sourceforge.net">http://sivp.sourceforge.net</A></P>
</SECTION>
<!-- ================================= -->
<SEE_ALSO>
<SEE_ALSO_ITEM> <LINK>imread</LINK> </SEE_ALSO_ITEM>
<SEE_ALSO_ITEM> <LINK>imshow</LINK> </SEE_ALSO_ITEM>
<SEE_ALSO_ITEM> <LINK>imfinfo</LINK> </SEE_ALSO_ITEM>
</SEE_ALSO>
</MAN>
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