optical_flow
所属分类:图形图像处理
开发工具:matlab
文件大小:716KB
下载次数:55
上传日期:2009-01-21 11:04:57
上 传 者:
orchidli_09
说明: 用于光流估计,可以利用EXAMPLE进行演示
(For optical flow estimation, can be used to carry out demonstration EXAMPLE)
文件列表:
optical_flow\1 (12320, 2009-01-20)
optical_flow\1.ras (4128, 2009-01-20)
optical_flow\eval_flow.m (1153, 2002-09-24)
optical_flow\example.asv (1570, 2009-01-20)
optical_flow\example.m (1541, 2009-01-20)
optical_flow\gpn_ada.m (799, 2002-11-12)
optical_flow\gpn_ada.m.linux (799, 2002-11-12)
optical_flow\gpn_ada.m.windows (1477, 2002-11-12)
optical_flow\gpn_ada_mex.c (4519, 2002-12-23)
optical_flow\gpn_ada_mex.dll (8704, 2003-01-07)
optical_flow\gpn_ada_mex.mexglx (8068, 2002-12-23)
optical_flow\gpn_ada_mex.mexsol (6208, 2002-12-23)
optical_flow\image\live.1 (12342, 2009-01-19)
optical_flow\image\live.10.bmp (12342, 2009-01-19)
optical_flow\image\live.11.bmp (12342, 2009-01-19)
optical_flow\image\live.2.bmp (12342, 2009-01-19)
optical_flow\image\live.3.bmp (12342, 2009-01-19)
optical_flow\image\live.4.bmp (12342, 2009-01-19)
optical_flow\image\live.5.bmp (12342, 2009-01-19)
optical_flow\image\live.6.bmp (12342, 2009-01-19)
optical_flow\image\live.7.bmp (12342, 2009-01-19)
optical_flow\image\live.8.bmp (12342, 2009-01-19)
optical_flow\image\live.9.bmp (12342, 2009-01-19)
optical_flow\image\Thumbs.db (53760, 2009-01-20)
optical_flow\optical_flow.m (4527, 2004-07-27)
optical_flow\optical_flow_orig.m (4627, 2004-07-07)
optical_flow\rastread.m (1583, 2002-09-23)
optical_flow\read_flow.m (854, 2002-09-23)
optical_flow\read_sequence.m (1131, 2002-09-23)
optical_flow\read_sequence2.asv (1187, 2009-01-20)
optical_flow\read_sequence2.m (1187, 2009-01-20)
optical_flow\vis_flow.m (970, 2002-09-23)
optical_flow\yosemite\correct_yosemite256 (524312, 2002-09-23)
optical_flow\yosemite\yosemite256.10 (65568, 2002-09-23)
optical_flow\yosemite\yosemite256.11 (65568, 2002-09-23)
optical_flow\yosemite\yosemite256.12 (65568, 2002-09-23)
optical_flow\yosemite\yosemite256.13 (65568, 2002-09-23)
optical_flow\yosemite\yosemite256.14 (65568, 2002-09-23)
optical_flow\yosemite\yosemite256.16 (65568, 2002-09-23)
... ...
Only "example.m" and "optical_flow.m" have been properly documented.
T
he code is an implementation of the phase-based optical flow algorithm
described
in
Gautama, T. and Van Hulle, M.M. (2002). A Phase-based Approach to the Estimation
of
the Optical Flow Field Using Spatial Filtering, IEEE Trans. Neural Networks,
13(5), 1127--1136.
I have modified the algorithm by leaving out the Goal Programming
Network and have replaced it
by an analytical solution to the
intersection-of-constraints (the original algorithm is still
available
as optical_flow_orig.m)
The code has been tested on Solaris (Matlab 5.3 R11) and Linux
(Matlab
6.0 R12),
and it works fine.
To check the performance, run the example.m script:
Coverage: 32.02
%
Angular error (full): 4.1771 deg (3.2145 deg)
If the errors deviate from these values, there is probably
something
wrong. Feel free to hack in or, alternatively, to email me.
For more information,
contact:
temu@neuro.kuleuven.ac.be
simone.neuro.kuleuven.ac.be/temu
example.m
example script
optical_flow.m optical flow algorithm
eval_flow.m
evaluate obtained OF (only if desired OF is available)
vis_flow.m
visualise OF
read_sequence.m read image sequence
read_flow.m
read OF (Barron's format)
rastread.m read Sun raster file
yosemite/
contains yosemite sequence + desired flow
% OBSOLETE:
optical_flow_orig.m original optical flow algorithm
gpn_ada.m
Goal Programming Network (calls the mex function)
gpn_ada_mex.c
source
gpn_ada_mex.mexglx
precompiled for linux
gpn_ada_mex.mexsol
precompiled for Solaris
gpn_ada_mex.dll
precompiled for windows
gpn_ada.m.windows
non-mex version (slow, slow, slow)
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