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.\" ========================================================================
.\"
.IX Title "CALIBRATE_LENS 1"
.TH CALIBRATE_LENS 1 "2009-12-02" "perl v5.8.5" "HUGIN"
.SH "NAME"
calibrate_lens \- Lens calibration from straight lines
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
\&\fBcalibrate_lens\fR [options] \fI<image1\fR> \fI<image2\fR> \fI...\fR
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
.SH "OPTIONS"
.IX Header "OPTIONS"
.IP "\fB\-p\fR <filename>" 4
.IX Item "-p <filename>"
Input Hugin \s-1PTO\s0 file.
.IP "\fB\-j\fR <filename>" 4
.IX Item "-j <filename>"
Input file containing line data.
.IP "\fB\-d\fR <int>" 4
.IX Item "-d <int>"
Maximum dimension for re-sized image prior to processing. Default 1600
.IP "\fB\-t\fR <float>" 4
.IX Item "-t <float>"
Edge detector threshold. Default 4
.IP "\fB\-m\fR <float>" 4
.IX Item "-m <float>"
Minimum line length as a fraction of longest dimension. Default 0.3
.IP "\fB\-y\fR <float>" 4
.IX Item "-y <float>"
Corner threshold. Default 150
.IP "\fB\-f\fR <float>" 4
.IX Item "-f <float>"
Focal length (mm). Read from \s-1EXIF\s0 data.
.IP "\fB\-c\fR <float>" 4
.IX Item "-c <float>"
Crop factor. Read/calculated from \s-1EXIF\s0 data.
.IP "\fB\-s\fR <float>" 4
.IX Item "-s <float>"
Shortest dimension of sensor (mm), used to calculate crop factor.
.IP "\fB\-l\fR <int>" 4
.IX Item "-l <int>"
Lens model:
.RS 4
.IP "1 = Rectilinear (default)" 4
.IX Item "1 = Rectilinear (default)"
.PD 0
.IP "2 = Equal-area fisheye" 4
.IX Item "2 = Equal-area fisheye"
.IP "3 = Equal-angle fisheye" 4
.IX Item "3 = Equal-angle fisheye"
.IP "4 = Stereographic fisheye" 4
.IX Item "4 = Stereographic fisheye"
.IP "5 = Orthographic fisheye" 4
.IX Item "5 = Orthographic fisheye"
.IP "6 = Generic fisheye" 4
.IX Item "6 = Generic fisheye"
.IP "7 = Universal" 4
.IX Item "7 = Universal"
.RE
.RS 4
.RE
.IP "\fB\-z\fR <0|1>" 4
.IX Item "-z <0|1>"
.PD
Optimise image centre. Default 0
.IP "\fB\-v\fR <0|1>" 4
.IX Item "-v <0|1>"
Verbose. Default 0
.IP "\fB\-h\fR" 4
.IX Item "-h"
Print usage.
.SH "AUTHORS"
.IX Header "AUTHORS"
Tim Nugent

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