00001 /********************************************************************* 00002 * Copyright (C) 2002 Maenpaa 00003 * All rights reserved. 00004 * 00005 * Redistribution and use in source and binary forms, with or without 00006 * modification, are permitted provided that the following conditions 00007 * are met: 00008 * 00009 * 1.Redistributions of source code must retain all copyright 00010 * notices, this list of conditions and the following disclaimer. 00011 * 00012 * 2.Redistributions in binary form must reproduce the above 00013 * copyright notice, this list of conditions and the following 00014 * disclaimer in the documentation and/or other materials provided 00015 * with the distribution. 00016 * 00017 * 3.The name(s) of the author(s) may not be used to endorse or 00018 * promote products derived from this software without specific 00019 * prior written permission. 00020 * 00021 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS 00022 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 00023 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 00024 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, 00025 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 00026 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 00027 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 00028 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 00029 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 00030 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 00031 * POSSIBILITY OF SUCH DAMAGE. 00032 *********************************************************************/ 00033 00034 #ifndef _LBP_H 00035 #define _LBP_H 00036 00037 //#include <values.h> 00038 #include <math.h> 00039 00040 #define M_PI 3.14159265 00041 00042 /* Compare a value pointed to by 'ptr' to the 'center' value and 00043 * increment pointer. Comparison is made by masking the most 00044 * significant bit of an integer (the sign) and shifting it to an 00045 * appropriate position. */ 00046 #define compab_mask_inc(ptr,shift) { value |= ((unsigned int)(*center - *ptr - 1) & 0x80000000) >> (31-shift); ptr++; } 00047 /* Compare a value 'val' to the 'center' value. */ 00048 #define compab_mask(val,shift) { value |= ((unsigned int)(*center - (val) - 1) & 0x80000000) >> (31-shift); } 00049 /* Predicate 1 for the 3x3 neighborhood */ 00050 #define predicate 1 00051 /* The number of bits */ 00052 #define bits 8 00053 00054 typedef struct 00055 { 00056 int x,y; 00057 } integerpoint; 00058 00059 typedef struct 00060 { 00061 double x,y; 00062 } doublepoint; 00063 00064 void calculate_points(void); 00065 double interpolate_at_ptr(int* upperLeft, int i, int columns); 00066 void lbp_histogram(int* img, int rows, int columns, int* result, int interpolated); 00067 00068 #endif