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fast_rosten.h File Reference
#include "std.h"
#include "lib/vision/image.h"
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Functions

struct point_tfast9_detect (struct image_t *img, uint8_t threshold, uint16_t min_dist, uint16_t x_padding, uint16_t y_padding, uint16_t *num_corners)
 Do a FAST9 corner detection. More...
 

Function Documentation

struct point_t* fast9_detect ( struct image_t img,
uint8_t  threshold,
uint16_t  min_dist,
uint16_t  x_padding,
uint16_t  y_padding,
uint16_t num_corners 
)

Do a FAST9 corner detection.

Parameters
[in]*imgThe image to do the corner detection on
[in]thresholdThe threshold which we use for FAST9
[in]min_distThe minimum distance in pixels between detections
[in]x_paddingThe padding in the x direction to not scan for corners
[in]y_paddingThe padding in the y direction to not scan for corners
[out]*num_cornersThe amount of corners found
Returns
The corners found

Definition at line 49 of file fast_rosten.c.

References image_t::buf, FALSE, fast_make_offsets(), image_t::h, IMAGE_YUV422, p, TRUE, image_t::type, image_t::w, point_t::x, and point_t::y.

Referenced by opticflow_calc_frame().

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