generic-library/opencv
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

simple mean for decode

Browse Source
This commit is contained in:
James Bowman 2011-04-26 00:02:09 +00:00
parent 181de06445
commit 6f82c0d662
1 changed files with 8 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
modules/objdetect/src/datamatrix.cpp
View File

@ -247,9 +247,15 @@ static int decode(Sampler &sa, code &cc)
{ {
uint8 binary[8] = {0,0,0,0,0,0,0,0}; uint8 binary[8] = {0,0,0,0,0,0,0,0};
uint8 b = 0; uint8 b = 0;
int i, sum;
for (int i = 0; i < 64; i++) { sum = 0;
b = (b << 1) + (sa.getpixel(pickup[i].x, pickup[i].y) <= 128);
for (i = 0; i < 64; i++)
sum += sa.getpixel(1 + (i & 7), 1 + (i >> 3));
uint8 mean = sum / 64;
for (i = 0; i < 64; i++) {
b = (b << 1) + (sa.getpixel(pickup[i].x, pickup[i].y) <= mean);
if ((i & 7) == 7) { if ((i & 7) == 7) {
binary[i >> 3] = b; binary[i >> 3] = b;
b = 0; b = 0;