Skip to content

O
opencv
Commit 13252133 authored by Vladislav Vinogradov's avatar Vladislav Vinogradov
Browse files
Options

use border extrapolation for central pixel in pyrDown 

in case if image has odd dimension
parent fb15bdfb
Hide whitespace changes
Inline Side-by-side
Showing with 3 additions and 3 deletions
modules/gpu/src/cuda/pyr_down.cu
View file @ 13252133
......@@ -114,7 +114,7 @@ namespace cv { namespace gpu { namespace device
sum = 0.0625f * src(b.idx_row_low (src_y - 2), b.idx_col_high(x));
sum = sum + 0.25f * src(b.idx_row_low (src_y - 1), b.idx_col_high(x));
sum = sum + 0.375f * src(src_y , b.idx_col_high(x));
sum = sum + 0.375f * src(b.idx_row_high(src_y ), b.idx_col_high(x));
sum = sum + 0.25f * src(b.idx_row_high(src_y + 1), b.idx_col_high(x));
sum = sum + 0.0625f * src(b.idx_row_high(src_y + 2), b.idx_col_high(x));
......@@ -129,7 +129,7 @@ namespace cv { namespace gpu { namespace device
sum = 0.0625f * src(b.idx_row_low (src_y - 2), b.idx_col(left_x));
sum = sum + 0.25f * src(b.idx_row_low (src_y - 1), b.idx_col(left_x));
sum = sum + 0.375f * src(src_y , b.idx_col(left_x));
sum = sum + 0.375f * src(b.idx_row_high(src_y ), b.idx_col(left_x));
sum = sum + 0.25f * src(b.idx_row_high(src_y + 1), b.idx_col(left_x));
sum = sum + 0.0625f * src(b.idx_row_high(src_y + 2), b.idx_col(left_x));
......@@ -144,7 +144,7 @@ namespace cv { namespace gpu { namespace device
sum = 0.0625f * src(b.idx_row_low (src_y - 2), b.idx_col_high(right_x));
sum = sum + 0.25f * src(b.idx_row_low (src_y - 1), b.idx_col_high(right_x));
sum = sum + 0.375f * src(src_y , b.idx_col_high(right_x));
sum = sum + 0.375f * src(b.idx_row_high(src_y ), b.idx_col_high(right_x));
sum = sum + 0.25f * src(b.idx_row_high(src_y + 1), b.idx_col_high(right_x));
sum = sum + 0.0625f * src(b.idx_row_high(src_y + 2), b.idx_col_high(right_x));
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment