資源簡介
Collection of Computer Vision algorithms implemented in Matlab.
Algorithms:
seam carving ("Seam carving for content-aware image processing" by S. Avidan & A. Shamir, 2007) Algorithm and code are described in details http://kirilllykov.github.io/blog/2013/06/06/seam-carving-algorithm/
bilateral filter ("Bilateral filtering for gray and color images" by C. Tomasi & R. Manduchi, 1998)
fast bilateral filter ("A fast approximation of the bilateral filter using a signal processing approach" by S. Paris & F. Durand, 2006)
retinex ("Retinex by two bilateral filters" by M. Elad, 2005)
shape from shading algorithm by Horn and Ikeuchi ("The Variational Approach to Shape from Shading" by B. Horn and M. Brooks, 1985)
optical flow algorithm by Horn-Shunck for an array of input images ("Determining optical flow" by Horn and Schunck, 1980)
generator of random surface and closed curve, auxiliary code
代碼片段和文件信息
%?（C）?Copyright?Kirill?Lykov?2013.
%
%?Distributed?under?the?FreeBSD?Software?License?（See?accompanying?file?license.txt）
clearvars?all;
close?all;
initialData?=?imread（‘cat.png‘）;
originalGrayImg?=?double（rgb2gray（initialData））;
subplot（221）;
imagesc（originalGrayImg）;
title（‘original?image‘）;
colormap?gray;
subplot（222）;
%?noise?functions?expects?integers
noisyGrayImg?=?imnoise（rgb2gray（initialData）‘gaussian‘?0?0.01）;
noisyGrayImg?=?double（noisyGrayImg）;
imagesc（noisyGrayImg）;
title（‘noisy?image‘）;
%?parameters
sigmaSpatial?=?10;
sigmaRange?=?100;
samplingSpatial?=?sigmaSpatial;
samplingRange?=?sigmaRange;
%?brute?force?Bilateral?filter
subplot（223）;
tStart?=?cputime;
filteredImg?=?regBilateralFilter（noisyGrayImg?0?sigmaSpatial?sigmaRange?samplingSpatial）;?
tEnd?=?cputime;
imagesc（filteredImg）;
title（[‘brute?force?BF.?Time:?‘?int2str（tEnd?-?tStart）?‘sec‘]）;
%?fast?bilateral?filter?-?terms?and?notations?are?from?the?paper
subplot（224）;
tStart?=?cputime;
filteredImg?=?fastBilateralFilter（noisyGrayImg?sigmaSpatial?sigmaRange?samplingSpatial?samplingRange?0?15）;
tEnd?=?cputime;
imagesc（filteredImg）;
title（[‘fast?BF.?Time:?‘?int2str（tEnd?-?tStart）?‘sec‘]）;
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
????.......???????952??2014-11-17?18:58??cvision-algorithms-master\cvision-algorithms-master\README.md
????.......??????1193??2014-11-17?18:58??cvision-algorithms-master\cvision-algorithms-master\examples\ex_bilateral_filter.m
????.......???????348??2014-11-17?18:58??cvision-algorithms-master\cvision-algorithms-master\examples\ex_gen_rnd_surface_curve.m
????.......??????1068??2014-11-17?18:58??cvision-algorithms-master\cvision-algorithms-master\examples\ex_optical_flow.m
?????文件????????788??2017-10-13?17:09??cvision-algorithms-master\cvision-algorithms-master\examples\ex_retinex_filter.m
????.......???????664??2014-11-17?18:58??cvision-algorithms-master\cvision-algorithms-master\examples\ex_seam_carving.m
????.......???????297??2014-11-17?18:58??cvision-algorithms-master\cvision-algorithms-master\examples\ex_shape_from_shading.m
?????文件??????47100??2017-10-13?17:01??cvision-algorithms-master\cvision-algorithms-master\examples\5417_800.jpg
?????文件????????825??2017-10-31?14:53??cvision-algorithms-master\cvision-algorithms-master\examples\retinex_bila.m
?????文件???????1266??2014-11-17?18:58??cvision-algorithms-master\cvision-algorithms-master\license.txt
????.......??????4827??2014-11-17?18:58??cvision-algorithms-master\cvision-algorithms-master\src\fastBilateralFilter.m
????.......???????714??2014-11-17?18:58??cvision-algorithms-master\cvision-algorithms-master\src\genRandCurve.m
????.......??????1694??2014-11-17?18:58??cvision-algorithms-master\cvision-algorithms-master\src\genRandSurface.m
????.......??????2425??2014-11-17?18:58??cvision-algorithms-master\cvision-algorithms-master\src\opticalFlow.m
????.......??????1407??2014-11-17?18:58??cvision-algorithms-master\cvision-algorithms-master\src\regBilateralFilter.m
????.......??????2526??2014-11-17?18:58??cvision-algorithms-master\cvision-algorithms-master\src\reinit.m
????.......??????1760??2014-11-17?18:58??cvision-algorithms-master\cvision-algorithms-master\src\retinexFilter.m
????.......??????8598??2014-11-17?18:58??cvision-algorithms-master\cvision-algorithms-master\src\seamCarving.m
????.......??????1312??2014-11-17?18:58??cvision-algorithms-master\cvision-algorithms-master\src\shapeFromShading.m
?????目錄??????????0??2014-11-17?18:58??cvision-algorithms-master\cvision-algorithms-master\examples
?????目錄??????????0??2014-11-17?18:58??cvision-algorithms-master\cvision-algorithms-master\src
?????目錄??????????0??2014-11-17?18:58??cvision-algorithms-master\cvision-algorithms-master
?????目錄??????????0??2017-10-13?17:08??cvision-algorithms-master
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????????????????79764????????????????????23
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