#include <stdio.h>
#include <AR/ar.h>
Go to the source code of this file.
Functions | |
int | arDetectMarker (ARUint8 *dataPtr, int thresh, ARMarkerInfo **marker_info, int *marker_num) |
main function to detect the square markers in the video input frame. | |
int | arDetectMarkerLite (ARUint8 *dataPtr, int thresh, ARMarkerInfo **marker_info, int *marker_num) |
main function to detect rapidly the square markers in the video input frame. | |
int | arSavePatt (ARUint8 *image, ARMarkerInfo *marker_info, char *filename) |
save a marker. | |
int | arsDetectMarker (ARUint8 *dataPtr, int thresh, ARMarkerInfo **marker_info, int *marker_num, int LorR) |
int | arsDetectMarkerLite (ARUint8 *dataPtr, int thresh, ARMarkerInfo **marker_info, int *marker_num, int LorR) |
Variables | |
static ARMarkerInfo2 * | marker_info2 |
static arPrevInfo | prev_info [AR_SQUARE_MAX] |
static int | prev_num = 0 |
static arPrevInfo | sprev_info [2][AR_SQUARE_MAX] |
static int | sprev_num [2] = {0,0} |
static ARMarkerInfo * | wmarker_info |
static int | wmarker_num = 0 |
int arDetectMarker | ( | ARUint8 * | dataPtr, | |
int | thresh, | |||
ARMarkerInfo ** | marker_info, | |||
int * | marker_num | |||
) |
main function to detect the square markers in the video input frame.
This function proceeds to thresholding, labeling, contour extraction and line corner estimation (and maintains an history). It's one of the main function of the detection routine with arGetTransMat.
dataPtr | a pointer to the color image which is to be searched for square markers. The pixel format depend of your architecture. Generally ABGR, but the images are treated as a gray scale, so the order of BGR components does not matter. However the ordering of the alpha comp, A, is important. | |
thresh | specifies the threshold value (between 0-255) to be used to convert the input image into a binary image. | |
marker_info | a pointer to an array of ARMarkerInfo structures returned which contain all the information about the detected squares in the image | |
marker_num | the number of detected markers in the image. |
Definition at line 58 of file arDetectMarker.c.
int arDetectMarkerLite | ( | ARUint8 * | dataPtr, | |
int | thresh, | |||
ARMarkerInfo ** | marker_info, | |||
int * | marker_num | |||
) |
main function to detect rapidly the square markers in the video input frame.
this function is a simpler version of arDetectMarker that does not have the same error correction functions and so runs a little faster, but is more error prone
dataPtr | a pointer to the color image which is to be searched for square markers. The pixel format depend of your architecture. Generally ABGR, but the images are treated as a gray scale, so the order of BGR components does not matter. However the ordering of the alpha component, A, is important. | |
thresh | specifies the threshold value (between 0-255) to be used to convert the input image into a binary image. | |
marker_info | a pointer to an array of ARMarkerInfo structures returned which contain all the information about the detected squares in the image | |
marker_num | the number of detected markers in the image. |
Definition at line 175 of file arDetectMarker.c.
int arSavePatt | ( | ARUint8 * | image, | |
ARMarkerInfo * | marker_info, | |||
char * | filename | |||
) |
save a marker.
used in mk_patt to save a bitmap of the pattern of the currently detected marker. The saved image is a table of the normalized viewed pattern.
image | a pointer to the image containing the marker pattern to be trained. | |
marker_info | a pointer to the ARMarkerInfo structure of the pattern to be trained. | |
filename | The name of the file where the bitmap image is to be saved. |
Definition at line 14 of file arDetectMarker.c.
int arsDetectMarker | ( | ARUint8 * | dataPtr, | |
int | thresh, | |||
ARMarkerInfo ** | marker_info, | |||
int * | marker_num, | |||
int | LorR | |||
) |
Definition at line 209 of file arDetectMarker.c.
int arsDetectMarkerLite | ( | ARUint8 * | dataPtr, | |
int | thresh, | |||
ARMarkerInfo ** | marker_info, | |||
int * | marker_num, | |||
int | LorR | |||
) |
Definition at line 291 of file arDetectMarker.c.
ARMarkerInfo2* marker_info2 [static] |
Definition at line 4 of file arDetectMarker.c.
arPrevInfo prev_info[AR_SQUARE_MAX] [static] |
Definition at line 8 of file arDetectMarker.c.
int prev_num = 0 [static] |
Definition at line 9 of file arDetectMarker.c.
arPrevInfo sprev_info[2][AR_SQUARE_MAX] [static] |
Definition at line 11 of file arDetectMarker.c.
int sprev_num[2] = {0,0} [static] |
Definition at line 12 of file arDetectMarker.c.
ARMarkerInfo* wmarker_info [static] |
Definition at line 5 of file arDetectMarker.c.
int wmarker_num = 0 [static] |
Definition at line 6 of file arDetectMarker.c.