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gpiv_aint(1) [debian man page]

GPIV_AINT(1)						      General Commands Manual						      GPIV_AINT(1)

NAME
gpiv_aint - Calculates mean image intensity at each interrogation area. SYNOPSIS
gpiv_aint [-h | --help] [-p | --print] [-s | --second] [-V | --verbose] [-v | --version] filename DESCRIPTION
For each Interrogation Area of an image, gpiv_aint calculates the mean image intensity. Depending on the settings of the interrogation scheme, the Interrogation Area's may be shifted with magnitude of the piv estimators (if they exist) or the image may be deformed before the intensity is calculated. This program uses the IMG, PIV and POST parameters. The default settings may be overruled by the command line options, as explained below. Options -h | --help On-line help. -p | --print Prints parameters to stdout. -s | --second Calculates the image intensitites for the second image frame in case of double-frame image pairs. -V | --verbose Prints data of interrogation area's and resulting mean. -v | --version Print version information on standard output, then exit successfully. filename Full name of the image file. Image format might be: png, raw binary (.r), hdf5 (.hdf), gif, tif, bmp or pgm. The piv estimators are read from filename.piv The settings are written to filename.par. output will be stored in filename.ain. SEE ALSO gpivtools NOTES
The program uses netpbm. AUTHOR
Gerber Van der Graaf 7 November 2006 GPIV_AINT(1)

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GPIV_GETBIT(1)						      General Commands Manual						    GPIV_GETBIT(1)

NAME
gpiv_getbit - Image processing program for PIV images. SYNOPSIS
gpiv_getbit [-b N] [-h | --help] [-p | --print] [-v | --version] [filename] < stdin > stdout DESCRIPTION
gpiv_getbit get the N least significant bits and moves them to most the significant bits. This results that a weak image signal (pixels of low value) is amplified while the high signal within the image will be removed. The parameters read from the configuration resources (containing the key GPIV_IMGPROC) may be overruled by the command line options, as explained below. Options -b N Defines the bit number [0, .., 7]. Signal from 0 to N will be shifted. -h | --help On-line help -v | --version Print version information on standard output, then exit successfully. filename Input image filename. Overrides stdin and stdout with the full filename of the image. Output will be written to filename.png. Param- eters are stored in filename.par and may be used for future use by including them in ./gpivrc. If stdin and stdout are used, the input is expected to be a PNG formatted image. SEE ALSO gpivtools AUTHOR
Gerber Van der Graaf 7 November 2006 GPIV_GETBIT(1)
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