lightcollector.cpp File Reference

#include <vector>
#include <math.h>
#include "lightcollector.h"
#include <geometry/homography.h>

Include dependency graph for lightcollector.cpp:

Go to the source code of this file.

Classes
struct	Hdr

Functions
int	stat_triangle (IplImage *im, int pts[3][2], float avg[3])

Function Documentation

int stat_triangle	(	IplImage *	im,
		int	pts[3][2],
		float	avg[3]
	)

Compute the average color over a triangle.

Parameters

im	the input image. Must be 8 bits unsigned (IPL_DEPTH_8U). The color channels can be RGB, BGR or gray levels.
pts	image plane coordinates of the 3 vertices. Clipping is handled correctly.
avg	result average. avg[0] is either red or gray level. avg[1] and avg[2] are either green and blue or -1. If no pixel is read because the triangle is completely outside the image, the average values is set to -1. Otherwise, it is a value between 0 and 255.

Returns

the function returns the number of pixels averaged.

Definition at line 114 of file tri.cpp.

References edge_pair(), and no_clipping.

Referenced by LightCollector::averageImage().