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From: <dangelo@us...>  20070628 06:10:35

Revision: 2177 http://hugin.svn.sourceforge.net/hugin/?rev=2177&view=rev Author: dangelo Date: 20070627 23:10:32 0700 (Wed, 27 Jun 2007) Log Message:  updated the parameters Modified Paths:  hugin/trunk/doc/nona.txt Modified: hugin/trunk/doc/nona.txt ===================================================================  hugin/trunk/doc/nona.txt 20070628 02:47:40 UTC (rev 2176) +++ hugin/trunk/doc/nona.txt 20070628 06:10:32 UTC (rev 2177) @@ 57,6 +57,7 @@ # UINT8  8 bit unsigned # UINT16  16 bit unsigned # FLOAT  32 bit floating point +# ""  use input type # By default the bit depth of the input images is use. # @@ 70,53 +71,54 @@ # 3  fullframe fisheye # 4  PSphere, equirectangular # v82 horizontal field of view of image (required) +# Can be linked # y0 yaw angle (required) +# Can be linked # p43 pitch angle (required) +# Can be linked. # r0 roll angle (required) +# Can be linked. # a,b,c lens correction coefficients (optional) +# Can be linked. # (see http://www.fhfurtwangen.de/~dersch/barrel/barrel.html) # d,e initial lens offset in pixels(defaults d0 e0, optional). # Used to correct for offset from center of image +# Used to correct for offset from center of image. +# Can be linked # d  horizontal offset, # e  vertical offset # g,t initial lens shear. Use to remove slight misalignment # of the line scanner relative to the film transport +# of the line scanner relative to the film transport. +# Can be linked # g  horizontal shear # t  vertical shear # # Eev exposure of image in EV (exposure values) # Er white balance factor for red channel # Eb white balance factor for blue channel +# Eev exposure of image in EV (exposure values), can be linked +# Er white balance factor for red channel, can be linked +# Eb white balance factor for blue channel, can be linked # # Vm vignetting correction mode (default 0): # 0: no vignetting correction # 1: radial vignetting correction (see j,k,l,o options) # 2: flatfield vignetting correction (see p option) +# 1: radial vignetting correction (see Va, Vb, Vc, Vd options) +# 2: flatfield vignetting correction (see Vf option) # 4: proportional correction: i_new = i / corr. # This mode is recommended for use with linear data. # If the input data is gamma corrected, try adding g2.2 # to the m line. +# if not specfied, correction by addition should be used +# NOTE: correction by addition is not supported currently. # # default is additive correction: i_new = i + corr  # Both radial and flatfield correction can be combined with the +# Both radial and flatfield correction need to be combined with the # proportional correction by adding 4. # Examples: i1  radial polynomial correction by addition. # The coefficients j,k,l,o must be specified. +# Examples: i1  radial polynomial correction by addition +# (not supported by nona currently, and probably never will, +# available for backward compatability) # i5  radial polynomial correction by division. # The coefficients j,k,l,o must be specified. # i6  flatfield correction by division. # The flatfield image should be specified with the p option +# The flatfield image should be specified with the Vf option # # Va,Vb,Vc,Vd vignetting correction coefficients. (defaults: 0,0,0,0) +# Va,Vb,Vc,Vd vignetting correction coefficients. (defaults: 0,0,0,0), can be linked # ( 0, 2, 4, 6 order polynomial coefficients): # corr = ( i + j*r^2 + k*r^4 + l*r^6), where r is the distance from the image center # The corrected pixel value is calculated with: i_new = i_old + corr # if additive correction is used (default) # for proportional correction (h5): i_new = i_old / corr; +# corr = ( Va + Vb*r^2 + Vc*r^4 + Vd*r^6), where r is the distance from the image center (r=1 in the image corner) # # Vx,Vy radial vignetting correction offset in pixels (defaults Vx0 Vy0, optional). # Used to correct for offset from center of image +# Used to correct for offset from center of image. Can be linked # Vx  horizontal offset # Vy  vertical offset # @@ 125,7 +127,13 @@ # In the case of correction by division, the flatfield will be divided by # its mean value. # +# Rt response curve type +# 0: EMoR model (requires Ra, Rb, Rc, Rd, Re) parameters +# 1: linear # +# Ra,Rb,Rc,Rd,Re parameters for the response curve model, can be linked +# +# # S100,600,100,800 Selection(l,r,t,b), Only pixels inside the rectangle will be used for conversion. # Original image size is used for all image parameters # (e.g. fieldofview) refer to the original image. @@ 145,8 +153,6 @@ # # g2.5 Set gamma value for internal computations (default 1.0) # See <http://www.fhfurtwangen.de/~dersch/gamma/gamma.html>; # This is especially useful in conjunction with the vignetting correction # by division # # i2 Set interpolator, See <http://www.fhfurtwangen.de/~dersch/interpolator/interpolator.html>; # one of: @@ 159,5 +165,15 @@ # 6  nearest neighbor, # 7  sinc1024 # +# m0 use Huber mestimator during second optimisation pass. +# This will reduce the weight of control points with higher errors +# It might help a little if a pano contains a few inaccurate or +# completely wrong control points. +# 0: no mestimator (as in previous versions) +# Any other number is the sigma parameter of the huber mestimator. +# Control points with errors higher than sigma will have less +# influence during the optimisation. +# A good value for sigma might be 2. +# m i2 This was sent by the SourceForge.net collaborative development platform, the world's largest Open Source development site. 
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