int TExtractFeature::Feature2PairInsert(THash &hash, int id){
int pi, pj;
int count;
int flag;
// [> int index = 0; <]
for (int i = 0; i<frame_num; i++)
for (int j = 0; j<FRAME_HEIGHT; j++){
flag = 1;
if (feature[i][j] == 0)
continue;
count = 0;
for (pi = i + PAIR_OFFSET; flag && pi<i + PAIR_DX && pi<frame_num; pi++)
for (pj = max(j - PAIR_DY, 0); flag && pj<j + PAIR_DY && pj<FRAME_HEIGHT; pj++){
if (feature[pi][pj] == 0)
continue;
count++;
hash.InsertHash(j, pj-j + f2_f1_max, pi-i, id, i);
if (count >= MAX_PAIR_PER_FEATURE) flag = 0;
}
}
return 0;
}
