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<html xmlns="http://www.w3.org/1999/xhtml" lang="en-US">
<head>
<meta content="HTML Tidy for Linux/x86 (vers 1st March 2003), see www.w3.org"
name="generator" />
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<title>ImageMagick - Convert, Edit, and Compose Images</title>
<meta name="Description"
content="ImageMagick is a robust collection of tools and libraries to read, write, and manipulate an image in many image formats including popular formats like TIFF, JPEG, PNG, PDF, PhotoCD, and GIF. With ImageMagick you can create images dynamically, making it suitable for Web applications. You can also resize, rotate, sharpen, color reduce, or add special effects to an image or image sequence and save your completed work in the same or differing image format. Image processing operations are available from the command line, as well as through C, C++, Perl, or Java programming interfaces." />
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<table border="0" cellpadding="10" cellspacing="0"
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<td><br />
<br />
<table border="0" width="100%">
<tr>
<td align="left" bgcolor="#003399"
background="../images/background.gif">
<img src="../images/right_triangle.png" alt=">" border="0"
height="14"
width="15" /><b><font face="Helvetica, Arial"><font color="#FFFFFF">
<font size="+1"><a name="compare"
id="compare"></a>compare</font></font></font></b></td></tr></table>
<table width="94%" border="0" cellspacing="0" cellpadding="8">
<tr>
<td width="3%"><br /></td>
<td>
<table border="0" width="100%">
<tr>
<td align="left" bgcolor="#003399"
background="../images/background.gif">
<img src="../images/right_triangle.png" alt=">" border="0"
height="14"
width="15" /><b><font face="Helvetica, Arial"><font color="#FFFFFF">
<font size="+1"><a name="compare-top"
id="compare-top"></a>NAME</font></font></font></b></td></tr></table>
<table width="94%" border="0" cellspacing="0" cellpadding="8">
<tr>
<td width="3%"><br /></td>
<td>compare - compare an image to a reconstructed
image.</td></tr></table>
<table border="0" width="100%">
<tr>
<td align="left" bgcolor="#003399"
background="../images/background.gif">
<img src="../images/right_triangle.png" alt=">" border="0"
height="14"
width="15" /><b><font face="Helvetica, Arial"><font color="#FFFFFF">
<font size="+1"><a name="compare-contents"
id="compare-contents"></a>Contents</font></font></font></b></td></tr></table>
<table width="94%" border="0" cellspacing="0" cellpadding="8">
<tr>
<td width="3%"><br /></td>
<td>
<dl>
<dt><a href="#compare-syno">Synopsis</a></dt>
<dt><a href="#compare-desc">Description</a></dt>
<dt><a href="#compare-opti">Options</a></dt>
<dt><a href="#compare-auth">Authors</a></dt>
<dt>
<a href="#compare-copy">Copyright</a></dt></dl></td></tr></table>
<table border="0" width="100%">
<tr>
<td align="left" bgcolor="#003399"
background="../images/background.gif">
<img src="../images/right_triangle.png" alt=">" border="0"
height="14"
width="15" /><b><font face="Helvetica, Arial"><font color="#FFFFFF">
<font size="+1"><a name="compare-syno"
id="compare-syno"></a>Synopsis</font></font></font></b></td></tr></table>
<table width="94%" border="0" cellspacing="0" cellpadding="8">
<tr>
<td width="3%"><br /></td>
<td>
<p><strong>compare</strong> <em>file</em> [ <em>file</em> ...
]<br />
</p></td></tr></table>
<table border="0" width="100%">
<tr>
<td align="left" bgcolor="#003399"
background="../images/background.gif">
<img src="../images/right_triangle.png" alt=">" border="0"
height="14"
width="15" /><b><font face="Helvetica, Arial"><font color="#FFFFFF">
<font size="+1"><a name="compare-desc"
id="compare-desc"></a>Description</font></font></font></b></td></tr></table>
<table width="94%" border="0" cellspacing="0" cellpadding="8">
<tr>
<td width="3%"><br /></td>
<td>
<p><strong>Compare</strong> - compare an image to a reconstructed
image.</p></td></tr></table></td></tr></table>
<p><i><a href="#top">Back to Contents</a></i> </p>
<table border="0" width="100%">
<tr>
<td align="left" bgcolor="#003399"
background="../images/background.gif">
<img src="../images/right_triangle.png" alt=">" border="0"
height="14"
width="15" /><b><font face="Helvetica, Arial"><font color="#FFFFFF">
<font size="+1"><a name="compare-opti"
id="compare-opti"></a>Options</font></font></font></b></td></tr></table>
<table width="94%" border="0" cellspacing="0" cellpadding="8">
<tr>
<td width="3%"><br /></td>
<td>
<table border="0" width="100%">
<tr>
<td align="left" bgcolor="#003399"
background="../images/background.gif">
<img src="../images/right_triangle.png" alt=">" border="0"
height="14"
width="15" /><b><font face="Helvetica, Arial"><font color="#FFFFFF">
<font size="+1"><a name="compare-opti"
id="compare-opti"></a>Compare
options</font></font></font></b></td></tr></table>
<table width="94%" border="0" cellspacing="0" cellpadding="8">
<tr>
<td width="3%"><br /></td>
<td>
<p>For a more detailed description of each option, see Options,
above.
<a href="ImageMagick.html"><em>ImageMagick(1)</em></a>.<br />
</p>
<table border="0" width="94%">
<tr>
<td width="3%"><br /></td>
<td align="left" bgcolor="#003399"
background="../images/background.gif">
<img src="../images/right_triangle_option.png" alt=">"
border="0" height="14"
width="15" /><b><font face="Helvetica, Arial"><font color="#FFFFFF">
<font size="+1"><a href="ImageMagick.html#details-authenticate">-authenticate</a>
<i><string></i></font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8">
<tr>
<td width="6%"><br /></td>
<td>decrypt image with this password</td></tr></table>
<table border="0" width="94%">
<tr>
<td width="3%"><br /></td>
<td align="left" bgcolor="#003399"
background="../images/background.gif">
<img src="../images/right_triangle_option.png" alt=">"
border="0" height="14"
width="15" /><b><font face="Helvetica, Arial"><font color="#FFFFFF">
<font size="+1"><a href="ImageMagick.html#details-channel">-channel</a>
<i><type></i></font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8">
<tr>
<td width="6%"><br /></td>
<td>the type of channel</td></tr></table>
<table border="0" width="94%">
<tr>
<td width="3%"><br /></td>
<td align="left" bgcolor="#003399"
background="../images/background.gif">
<img src="../images/right_triangle_option.png" alt=">"
border="0" height="14"
width="15" /><b><font face="Helvetica, Arial"><font color="#FFFFFF">
<font size="+1"><a href="ImageMagick.html#details-colorspace">-colorspace</a>
<i><value></i></font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8">
<tr>
<td width="6%"><br /></td>
<td>the type of colorspace</td></tr></table>
<table border="0" width="94%">
<tr>
<td width="3%"><br /></td>
<td align="left" bgcolor="#003399"
background="../images/background.gif">
<img src="../images/right_triangle_option.png" alt=">"
border="0" height="14"
width="15" /><b><font face="Helvetica, Arial"><font color="#FFFFFF">
<font size="+1"><a href="ImageMagick.html#details-compress">-compress</a>
<i><type></i></font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8">
<tr>
<td width="6%"><br /></td>
<td>the type of image compression</td></tr></table>
<table border="0" width="94%">
<tr>
<td width="3%"><br /></td>
<td align="left" bgcolor="#003399"
background="../images/background.gif">
<img src="../images/right_triangle_option.png" alt=">"
border="0" height="14"
width="15" /><b><font face="Helvetica, Arial"><font color="#FFFFFF">
<font size="+1">-debug
<i><events></i></font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8">
<tr>
<td width="6%"><br /></td>
<td>enable debug printout</td></tr></table>
<table border="0" width="94%">
<tr>
<td width="3%"><br /></td>
<td align="left" bgcolor="#003399"
background="../images/background.gif">
<img src="../images/right_triangle_option.png" alt=">"
border="0" height="14"
width="15" /><b><font face="Helvetica, Arial"><font color="#FFFFFF">
<font size="+1"><a href="ImageMagick.html#details-define">-define</a>
<i><key></i>{<i>=<value></i>}<i>,...</i></font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8">
<tr>
<td width="6%"><br /></td>
<td>add coder/decoder specific options</td></tr></table>
<table border="0" width="94%">
<tr>
<td width="3%"><br /></td>
<td align="left" bgcolor="#003399"
background="../images/background.gif">
<img src="../images/right_triangle_option.png" alt=">"
border="0" height="14"
width="15" /><b><font face="Helvetica, Arial"><font color="#FFFFFF">
<font size="+1"><a href="ImageMagick.html#details-density">-density</a>
<i><width>x<height></i></font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8">
<tr>
<td width="6%"><br /></td>
<td>horizontal and vertical resolution in pixels of the
image</td></tr></table>
<table border="0" width="94%">
<tr>
<td width="3%"><br /></td>
<td align="left" bgcolor="#003399"
background="../images/background.gif">
<img src="../images/right_triangle_option.png" alt=">"
border="0" height="14"
width="15" /><b><font face="Helvetica, Arial"><font color="#FFFFFF">
<font size="+1"><a href="ImageMagick.html#details-interlace">-interlace</a>
<i><type></i></font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8">
<tr>
<td width="6%"><br /></td>
<td>the type of interlacing scheme</td></tr></table>
<table border="0" width="94%">
<tr>
<td width="3%"><br /></td>
<td align="left" bgcolor="#003399"
background="../images/background.gif">
<img src="../images/right_triangle_option.png" alt=">"
border="0" height="14"
width="15" /><b><font face="Helvetica, Arial"><font color="#FFFFFF">
<font size="+1"><a href="ImageMagick.html#details-limit">-limit</a>
<i><type>
<value></i></font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8">
<tr>
<td width="6%"><br /></td>
<td>Area, Disk, File, Map, or Memory resource
limit</td></tr></table>
<table border="0" width="94%">
<tr>
<td width="3%"><br /></td>
<td align="left" bgcolor="#003399"
background="../images/background.gif">
<img src="../images/right_triangle_option.png" alt=">"
border="0" height="14"
width="15" /><b><font face="Helvetica, Arial"><font color="#FFFFFF">
<font size="+1"><a href="ImageMagick.html#details-log">-log</a>
<i><string></i></font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8">
<tr>
<td width="6%"><br /></td>
<td>Specify format for debug log</td></tr></table>
<table border="0" width="94%">
<tr>
<td width="3%"><br /></td>
<td align="left" bgcolor="#003399"
background="../images/background.gif">
<img src="../images/right_triangle_option.png" alt=">"
border="0" height="14"
width="15" /><b><font face="Helvetica, Arial"><font color="#FFFFFF">
<font size="+1"><a href="ImageMagick.html#details-metric">-metric</a>
<i>type</i></font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8">
<tr>
<td width="6%"><br /></td>
<td>Choose from MAE, MSE, PSE, PSNR, or RMSE</td></tr></table>
<table border="0" width="94%">
<tr>
<td width="3%"><br /></td>
<td align="left" bgcolor="#003399"
background="../images/background.gif">
<img src="../images/right_triangle_option.png" alt=">"
border="0" height="14"
width="15" /><b><font face="Helvetica, Arial"><font color="#FFFFFF">
<font size="+1"><a href="ImageMagick.html#details-profile">-profile</a>
<i><filename></i></font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8">
<tr>
<td width="6%"><br /></td>
<td>add ICM, IPTC, or generic profile to image</td></tr></table>
<table border="0" width="94%">
<tr>
<td width="3%"><br /></td>
<td align="left" bgcolor="#003399"
background="../images/background.gif">
<img src="../images/right_triangle_option.png" alt=">"
border="0" height="14"
width="15" /><b><font face="Helvetica, Arial"><font color="#FFFFFF">
<font size="+1"><a href="ImageMagick.html#details-quality">-quality</a>
<i><value></i></font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8">
<tr>
<td width="6%"><br /></td>
<td>JPEG/MIFF/PNG compression level</td></tr></table>
<table border="0" width="94%">
<tr>
<td width="3%"><br /></td>
<td align="left" bgcolor="#003399"
background="../images/background.gif">
<img src="../images/right_triangle_option.png" alt=">"
border="0" height="14"
width="15" /><b><font face="Helvetica, Arial"><font color="#FFFFFF">
<font size="+1"><a href="ImageMagick.html#details-sample">-sample</a>
<i><geometry></i></font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8">
<tr>
<td width="6%"><br /></td>
<td>scale image using pixel sampling</td></tr></table>
<table border="0" width="94%">
<tr>
<td width="3%"><br /></td>
<td align="left" bgcolor="#003399"
background="../images/background.gif">
<img src="../images/right_triangle_option.png" alt=">"
border="0" height="14"
width="15" /><b><font face="Helvetica, Arial"><font color="#FFFFFF">
<font size="+1"><a href="ImageMagick.html#details-size">-size</a>
<i><width>x<height></i>{<i>+offset</i>}</font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8">
<tr>
<td width="6%"><br /></td>
<td>width and height of the image</td></tr></table>
<table border="0" width="94%">
<tr>
<td width="3%"><br /></td>
<td align="left" bgcolor="#003399"
background="../images/background.gif">
<img src="../images/right_triangle_option.png" alt=">"
border="0" height="14"
width="15" /><b><font face="Helvetica, Arial"><font color="#FFFFFF">
<font size="+1"><a href="ImageMagick.html#details-version">-version</a></font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8">
<tr>
<td width="6%"><br /></td>
<td>print ImageMagick version string</td></tr></table>
<table border="0" width="94%">
<tr>
<td width="3%"><br /></td>
<td align="left" bgcolor="#003399"
background="../images/background.gif">
<img src="../images/right_triangle_option.png" alt=">"
border="0" height="14"
width="15" /><b><font face="Helvetica, Arial"><font color="#FFFFFF">
<font size="+1"><a href="ImageMagick.html#details-virtual-pixel">-virtual-pixel</a>
<i><method></i></font></font></font></b></td></tr></table>
<table width="90%" border="0" cellspacing="0" cellpadding="8">
<tr>
<td width="6%"><br /></td>
<td>specify contents of "virtual pixels"</td></tr></table>
<p>For a more detailed description of each option, see Options,
above.
<a href="ImageMagick.html"><em>ImageMagick(1)</em></a>.<br />
</p></td></tr></table>
<p><i><a href="#top">Back to Contents</a></i>
</p></td></tr></table></td></tr></table>
</body>
</html>
|
