ref: 44f349df62e105860e8faeb29c5e3a6b9e61615e
parent: c24d922396f4dcd50216be3cdfd784ea31c47564
author: Ronald S. Bultje <rbultje@google.com>
date: Mon Jun 10 07:36:04 EDT 2013
Don't skip right/bottom border pixels in SSIM calculations. Change-Id: I75acb55ade54bef6ad7703ed5e691581fa2f8fe1
--- a/vp9/encoder/vp9_ssim.c
+++ b/vp9/encoder/vp9_ssim.c
@@ -88,8 +88,9 @@
double ssim_total = 0;
// sample point start with each 4x4 location
- for (i = 0; i < height - 8; i += 4, img1 += stride_img1 * 4, img2 += stride_img2 * 4) {
- for (j = 0; j < width - 8; j += 4) {
+ for (i = 0; i <= height - 8;
+ i += 4, img1 += stride_img1 * 4, img2 += stride_img2 * 4) {
+ for (j = 0; j <= width - 8; j += 4) {
double v = ssim_8x8(img1 + j, stride_img1, img2 + j, stride_img2);
ssim_total += v;
samples++;
--
⑨