forked from bartvdbraak/blender
32 lines
1.1 KiB
Plaintext
32 lines
1.1 KiB
Plaintext
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FAST feature detectors in C Version 2.0
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The files are valid C and C++ code, and have no special requirements for
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compiling, and they do not depend on any libraries. Just compile them along with
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the rest of your project.
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To use the functions, #include "fast.h"
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The corner detectors have the following prototype (where X is 9, 10, 11 or 12):
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xy* fastX_detect_nonmax(const unsigned char * data, int xsize, int ysize, int stride, int threshold, int* numcorners)
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Where xy is the following simple struct typedef:
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typedef struct
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{
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int x, y;
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} xy;
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The image is passed in as a block of data and dimensions, and the list of
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corners is returned as an array of xy structs, and an integer (numcorners)
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with the number of corners returned. The data can be deallocated with free().
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Nonmaximal suppression is performed on the corners. Note that the stride
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is the number of bytes between rows. If your image has no padding, then this
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is the same as xsize.
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The detection, scoring and nonmaximal suppression are available as individual
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functions. To see how to use the individual functions, see fast.c
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