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Alexander Freytag 1de245ec3d added compilation program 11 yıl önce
COPYING 9a56179e76 added felzenszwalb code 12 yıl önce
Makefile 9a56179e76 added felzenszwalb code 12 yıl önce
README 9a56179e76 added felzenszwalb code 12 yıl önce
compileFelzenszwalbSegmentation.m 1de245ec3d added compilation program 11 yıl önce
convolve.h 9a56179e76 added felzenszwalb code 12 yıl önce
disjoint-set.h 9a56179e76 added felzenszwalb code 12 yıl önce
filter.h 9a56179e76 added felzenszwalb code 12 yıl önce
image.h 9a56179e76 added felzenszwalb code 12 yıl önce
imconv.h 9a56179e76 added felzenszwalb code 12 yıl önce
imutil.h 9a56179e76 added felzenszwalb code 12 yıl önce
misc.h 9a56179e76 added felzenszwalb code 12 yıl önce
pnmfile.h 9a56179e76 added felzenszwalb code 12 yıl önce
segment-graph.h 0b6653a4a4 stable version - todo: check if given img has only 1 dimension (gray scale) 11 yıl önce
segment-image-labelOutput.h 0b6653a4a4 stable version - todo: check if given img has only 1 dimension (gray scale) 11 yıl önce
segment-image.h 9a56179e76 added felzenszwalb code 12 yıl önce
segment.cpp 9a56179e76 added felzenszwalb code 12 yıl önce
segmentFelzenszwalb.cpp cb165c089b fixed memory leak, proper code layout 11 yıl önce
segmentFelzenszwalb.m 810368e721 minor change on default value 12 yıl önce

README


Implementation of the segmentation algorithm described in:

Efficient Graph-Based Image Segmentation
Pedro F. Felzenszwalb and Daniel P. Huttenlocher
International Journal of Computer Vision, 59(2) September 2004.

The program takes a color image (PPM format) and produces a segmentation
with a random color assigned to each region.

1) Type "make" to compile "segment".

2) Run "segment sigma k min input output".

The parameters are: (see the paper for details)

sigma: Used to smooth the input image before segmenting it.
k: Value for the threshold function.
min: Minimum component size enforced by post-processing.
input: Input image.
output: Output image.

Typical parameters are sigma = 0.5, k = 500, min = 20.
Larger values for k result in larger components in the result.