طريقة العتبة المتوازنة

	 int BHThreshold(int[] histogram) {
		i_m = (int)((i_s + i_e) / 2.0f); // center of the weighing scale I_m
		w_l = get_weight(i_s, i_m + 1, histogram); // weight on the left W_l
		w_r = get_weight(i_m + 1, i_e + 1, histogram); // weight on the right W_r
		while (i_s <= i_e) {
		 if (w_r> w_l) { // right side is heavier
		 w_r -= histogram[i_e--];
		 if (((i_s + i_e) / 2) <i_m) {
		 w_r += histogram[i_m];
		 w_l -= histogram[i_m--];
		 }
		 } else if (w_l>= w_r) { // left side is heavier
		 w_l -= histogram[i_s++]; 
		 if (((i_s + i_e) / 2)> i_m) {
		 w_l += histogram[i_m + 1];
		 w_r -= histogram[i_m + 1];
		 i_m++;
		 }
		 }
		}
		return i_m;
	 }