102 lines
3.5 KiB
HTML
102 lines
3.5 KiB
HTML
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<title>ALE User Manual: Devices</title>
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<table align=right valign=top width=160>
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<td valign=top height=600 width=160>
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<a href="http://auricle.dyndns.org/ALE/">
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<big>ALE</big>
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<br>
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Image Processing Software
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<br>
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<br>
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<small>Deblurring, Anti-aliasing, and Superresolution.</small></a>
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<br><br>
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<big>
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Local Operation
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</big>
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<hr>
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localhost<br>
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2684415918<br>
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</table>
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<p><b>[ <a href="../">Up</a> ]</b></p>
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<h1>ALE Devices</h1>
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<p>Device specification is optional. Specifying a device allows automatic
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determination of <a href="../rendering/psf/">point-spread functions</a>,
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refinement of the correspondence between incident light and pixel values (e.g.
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power law), and refinement of certainty calculation.
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<pre>
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--device <d> Set the capture device to <d>.
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</pre>
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<p>Available devices are as follows:</p>
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<table border>
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<tr><td>canon_300d_raw_linear<td>Canon 300D (Digital Rebel) raw, linear data. [0.7.2 and later]
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<tr><td>canon_300d_raw_linear+50mm_1.4<td>Canon 300D with EF 50mm f/1.4 lens, unspecified aperture.
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<tr><td>canon_300d_raw_linear+50mm_1.4@1.4<td>Canon 300D with EF 50mm f/1.4 lens, aperture 1.4.
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<tr><td>canon_300d_raw_linear+50mm_1.8<td>Canon 300D with EF 50mm f/1.8 lens, unspecified aperture.
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<tr><td>canon_300d_raw_linear+85mm_1.8<td>Canon 300D with EF 85mm f/1.8 lens, unspecified aperture.
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<tr><td>ov7620_raw_linear<td>OmniView OV7620 in raw RGB, linear mode. [0.7.0-patch1 and later]
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<tr><td>xvp610_640x480<td>IBM PC Camera Pro (XVP610) in 640x480 mode.
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<tr><td>xvp610_320x240<td>IBM PC Camera Pro (XVP610) in 320x240 mode.
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</table>
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<p>These device options are described in more detail below.
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<h2>Canon 300D (Digital Rebel) [0.7.2 and later]</h2>
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<p>Direct support for CRW files depends on the ImageMagick configuration, and
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may not be available on all platforms. Dave Coffin's <a
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href="http://www.cybercom.net/~dcoffin/dcraw/">dcraw</a> program, invoked with
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arguments -d -4, will produce a raw, linear PPM file suitable for use with this
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device configuration. JPEG files produced by the 300D cannot be directly used
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as inputs for this configuration, since they are gamma-corrected rather than
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linear.</p>
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<h2>OV7620 [0.7.0-patch1 and later]</h2>
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<p>Standard OV7620 drivers may not include options for setting raw RGB or linear
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modes. Linux users may apply a <a href="/ov7620/">driver patch</a> to access
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these modes. Setting the module option <code>rgb_raw=2</code> places the camera
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into the desired mode.</p>
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<h2>XVP610</h2>
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<p>Users of XVP610 cameras and Linux may wish to apply a <a href="/xvp610/">driver patch</a>. This version of ALE expects that this patch has been applied.
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<br>
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<hr>
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<i>Copyright 2003, 2004 <a href="mailto:dhilvert@auricle.dyndns.org">David Hilvert</a></i>
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<p>Verbatim copying and distribution of this entire article is permitted in any medium, provided this notice is preserved.
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</body>
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</html>
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