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Diffstat (limited to 'doc/scanin.html')
| -rw-r--r-- | doc/scanin.html | 54 |
1 files changed, 43 insertions, 11 deletions
diff --git a/doc/scanin.html b/doc/scanin.html index ac6ccc8..96d3cc2 100644 --- a/doc/scanin.html +++ b/doc/scanin.html @@ -3,7 +3,7 @@ <head> <title>scanin</title> <meta http-equiv="content-type" content="text/html; - charset=ISO-8859-1"> + charset=windows-1252"> <meta name="author" content="Graeme Gill"> </head> <body> @@ -59,6 +59,7 @@ style="font-family: monospace;"> Generate + a chart reference (.cht) file</span><br style="font-family: monospace;"> <span style="font-family: monospace;"> </span><a @@ -66,6 +67,7 @@ Generate style="font-family: monospace;"> Output + patch values in .val file</span><br style="font-family: monospace;"> <span style="font-family: monospace;"> </span><a @@ -73,6 +75,7 @@ Output style="font-family: monospace;"> Use + image to measure color to convert printer pbase .ti2 to .ti3</span><span style="font-family: monospace;"></span><br style="font-family: monospace;"> @@ -81,22 +84,26 @@ Use style="font-family: monospace;"> Same + as -c, but accumulates more values to pbase .ti3</span><br style="font-family: monospace;"> <span style="font-family: monospace;"> from + subsequent pages</span><br style="font-family: monospace;"> <span style="font-family: monospace;"> </span><a style="font-family: monospace;" href="#r">-r</a><span style="font-family: monospace;"> Replace + device values in pbase .ti3</span><br style="font-family: monospace;"> <span style="font-family: monospace;"> Default + is to create a scanner .ti3 file<br> </span></small><small><span style="font-family: monospace;"> </span><a style="font-family: monospace;" href="#F">-F @@ -105,10 +112,12 @@ Default Don't + auto recognize, locate using four fiducual marks<br> <a href="#p">-p</a> Compensate + for perspective distortion<br style="font-family: monospace;"> </span></small><small><span style="font-family: monospace;"></span><span style="font-family: monospace;"> </span><a @@ -116,28 +125,31 @@ Compensate style="font-family: monospace;"> Recognize + chart in normal orientation only</span><br style="font-family: monospace;"> <span style="font-family: monospace;"> Default + is to recognize all possible chart angles<br> <a href="#m">-m</a> Return + true mean (default is robust mean)<br> </span></small><small><span style="font-family: monospace;"> <a href="#G">-G gamma</a> - Approximate - gamma encoding of image</span></small><br style="font-family: - monospace;"> + Approximate gamma encoding of image</span></small><br + style="font-family: monospace;"> <small><span style="font-family: monospace;"></span><span style="font-family: monospace;"> </span><a style="font-family: monospace;" href="#v">-v [n]</a><span style="font-family: monospace;"> Verbosity + level 0-9</span><br style="font-family: monospace;"> <span style="font-family: monospace;"> </span><a style="font-family: monospace;" href="#d">-d</a><span @@ -149,6 +161,7 @@ Verbosity style="font-family: monospace;"> diag + - B&W of input image</span><br style="font-family: monospace;"> <span style="font-family: monospace;"> </span><a @@ -156,6 +169,7 @@ diag style="font-family: monospace;"> diag + - Horizontal edge detection</span><br style="font-family: monospace;"> <span style="font-family: monospace;"> </span><a @@ -163,6 +177,7 @@ diag style="font-family: monospace;"> diag + - Vertical edge detection</span><br style="font-family: monospace;"> <span style="font-family: monospace;"> </span><a @@ -170,32 +185,39 @@ diag style="font-family: monospace;"> diag + - Groups detected</span><br style="font-family: monospace;"> <span style="font-family: monospace;"> </span><a style="font-family: monospace;" href="#dl">l</a><span style="font-family: monospace;"> diag + - Lines detected</span><br style="font-family: monospace;"> <span style="font-family: monospace;"> </span><a style="font-family: monospace;" href="#dL">L</a><span style="font-family: monospace;"> diag + - All lines detected<br> </span></small><small><span style="font-family: monospace;"> + </span><span style="font-family: monospace;"><a href="#dI">I</a> diag + - lines used to improve fit<br> </span></small><small><span style="font-family: monospace;"> + </span><a style="font-family: monospace;" href="#dc">c</a><span style="font-family: monospace;"> diag + - lines perspective corrected</span></small><br style="font-family: monospace;"> <small><span style="font-family: monospace;"></span><span @@ -204,36 +226,42 @@ diag style="font-family: monospace;"> diag + - lines rotated</span><br style="font-family: monospace;"> <span style="font-family: monospace;"> </span><a style="font-family: monospace;" href="#ds">s</a><span style="font-family: monospace;"> diag + - sample boxes rotated</span><br style="font-family: monospace;"> <span style="font-family: monospace;"> </span><a style="font-family: monospace;" href="#do">o</a><span style="font-family: monospace;"> diag + - sample box outlines</span><br style="font-family: monospace;"> <span style="font-family: monospace;"> </span><a style="font-family: monospace;" href="#dn">n</a><span style="font-family: monospace;"> diag + - sample box names</span><br style="font-family: monospace;"> <span style="font-family: monospace;"> </span><a style="font-family: monospace;" href="#da">a</a><span style="font-family: monospace;"> diag + - sample box areas</span><br style="font-family: monospace;"> <span style="font-family: monospace;"> </span><a style="font-family: monospace;" href="#dp">p</a><span style="font-family: monospace;"> diag + - pixel areas sampled</span></small> <br> <small><span style="font-family: monospace;"> <a href="#O">-O</a> outputfile Override the @@ -250,13 +278,15 @@ diag resolutions, and will cope with some degree of noise in the scan (due to screening artefacts on the original, or film grain), but it isn't really designed to accept very high resolution input. For - anything over 600DPI, you should consider down sampling the scan - using a filtering downsample, before submitting the file to scanin. - Similarly, any file with a large level of noise (due to screening or - scanner artefacts) should consider down sampling the image or - filtering it with some average preserving filter before submitting - it to scanin. Examining the diagnostic output (ie. -dig and -dil) - may help in determining whether noise is an issue.<br> + anything over 1200 pixels on a side, you should consider down + sampling the scan using a filtering down-sample, before submitting + the file to scanin. Similarly, any file with a large level of noise + (due to screening or scanner artefacts, or a noisy surrounding + texture) should consider cropping out the noisy surrounding, or down + sampling the image or filtering it with some average preserving + filter before submitting it to scanin. Examining the diagnostic + output (ie. -dig and -dil) may help in determining whether noise is + an issue.<br> <br> There are 5 basic modes that <b>scanin</b> operates in.<br> <ul> @@ -309,12 +339,14 @@ diag create the input device profile. The file arguments in -c mode are: <a name="cp1"></a>The TIFF file that is to be processed containing the image of a print test chart, <a name="cp2"></a>the + image recognition template file for the test chart generated by the <a href="printtarg.html"> printtarg</a> tool, <a name="cp3"></a>the input device ICC or MPP profile, <a name="cp4"></a>the base name for the .ti2 file containing the test chart printer device values and their patch identifiers and the base name for the resulting .ti3 file, <a name="cp5"></a>and + finally an optional name for the image recognition diagnostic output. The resulting .ti3 file will have the same base name as the input TIFF file. If there is more than one page in the test |