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Commit e3a43652 authored by Davis King's avatar Davis King
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Slightly reduced the amount of blurring that happens in pyramid_down_5_4.

parent f7606b48
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Showing with 32 additions and 32 deletions
dlib/image_transforms/image_pyramid.h
View file @ e3a43652
...@@ -1462,7 +1462,7 @@ namespace dlib ...@@ -1462,7 +1462,7 @@ namespace dlib
for (c = 0; c < full_nc; c+=size_out) for (c = 0; c < full_nc; c+=size_out)
{ {
ptype block[size_in][size_in]; ptype block[size_in][size_in];
separable_3x3_filter_block_grayscale(block, original, rr, cc, 3, 10, 3); separable_3x3_filter_block_grayscale(block, original, rr, cc, 2, 12, 2);
// bi-linearly interpolate block // bi-linearly interpolate block
assign_pixel(down[r][c] , (block[0][0]*49 + block[1][0]*7 + block[0][1]*7 + block[1][1] )/(64*256)); assign_pixel(down[r][c] , (block[0][0]*49 + block[1][0]*7 + block[0][1]*7 + block[1][1] )/(64*256));
...@@ -1491,7 +1491,7 @@ namespace dlib ...@@ -1491,7 +1491,7 @@ namespace dlib
if (part_nc - full_nc == 3) if (part_nc - full_nc == 3)
{ {
ptype block[size_in][4]; ptype block[size_in][4];
separable_3x3_filter_block_grayscale(block, original, rr, cc, 3, 10, 3); separable_3x3_filter_block_grayscale(block, original, rr, cc, 2, 12, 2);
// bi-linearly interpolate partial block // bi-linearly interpolate partial block
assign_pixel(down[r][c] , (block[0][0]*49 + block[1][0]*7 + block[0][1]*7 + block[1][1] )/(64*256)); assign_pixel(down[r][c] , (block[0][0]*49 + block[1][0]*7 + block[0][1]*7 + block[1][1] )/(64*256));
...@@ -1513,7 +1513,7 @@ namespace dlib ...@@ -1513,7 +1513,7 @@ namespace dlib
else if (part_nc - full_nc == 2) else if (part_nc - full_nc == 2)
{ {
ptype block[size_in][3]; ptype block[size_in][3];
separable_3x3_filter_block_grayscale(block, original, rr, cc, 3, 10, 3); separable_3x3_filter_block_grayscale(block, original, rr, cc, 2, 12, 2);
// bi-linearly interpolate partial block // bi-linearly interpolate partial block
assign_pixel(down[r][c] , (block[0][0]*49 + block[1][0]*7 + block[0][1]*7 + block[1][1] )/(64*256)); assign_pixel(down[r][c] , (block[0][0]*49 + block[1][0]*7 + block[0][1]*7 + block[1][1] )/(64*256));
...@@ -1531,7 +1531,7 @@ namespace dlib ...@@ -1531,7 +1531,7 @@ namespace dlib
else if (part_nc - full_nc == 1) else if (part_nc - full_nc == 1)
{ {
ptype block[size_in][2]; ptype block[size_in][2];
separable_3x3_filter_block_grayscale(block, original, rr, cc, 3, 10, 3); separable_3x3_filter_block_grayscale(block, original, rr, cc, 2, 12, 2);
// bi-linearly interpolate partial block // bi-linearly interpolate partial block
assign_pixel(down[r][c] , (block[0][0]*49 + block[1][0]*7 + block[0][1]*7 + block[1][1] )/(64*256)); assign_pixel(down[r][c] , (block[0][0]*49 + block[1][0]*7 + block[0][1]*7 + block[1][1] )/(64*256));
...@@ -1552,7 +1552,7 @@ namespace dlib ...@@ -1552,7 +1552,7 @@ namespace dlib
for (c = 0; c < full_nc; c+=size_out) for (c = 0; c < full_nc; c+=size_out)
{ {
ptype block[4][size_in]; ptype block[4][size_in];
separable_3x3_filter_block_grayscale(block, original, rr, cc, 3, 10, 3); separable_3x3_filter_block_grayscale(block, original, rr, cc, 2, 12, 2);
// bi-linearly interpolate partial block // bi-linearly interpolate partial block
assign_pixel(down[r][c] , (block[0][0]*49 + block[1][0]*7 + block[0][1]*7 + block[1][1] )/(64*256)); assign_pixel(down[r][c] , (block[0][0]*49 + block[1][0]*7 + block[0][1]*7 + block[1][1] )/(64*256));
...@@ -1576,7 +1576,7 @@ namespace dlib ...@@ -1576,7 +1576,7 @@ namespace dlib
if (part_nc - full_nc == 3) if (part_nc - full_nc == 3)
{ {
ptype block[4][4]; ptype block[4][4];
separable_3x3_filter_block_grayscale(block, original, rr, cc, 3, 10, 3); separable_3x3_filter_block_grayscale(block, original, rr, cc, 2, 12, 2);
// bi-linearly interpolate partial block // bi-linearly interpolate partial block
assign_pixel(down[r][c] , (block[0][0]*49 + block[1][0]*7 + block[0][1]*7 + block[1][1] )/(64*256)); assign_pixel(down[r][c] , (block[0][0]*49 + block[1][0]*7 + block[0][1]*7 + block[1][1] )/(64*256));
...@@ -1595,7 +1595,7 @@ namespace dlib ...@@ -1595,7 +1595,7 @@ namespace dlib
else if (part_nc - full_nc == 2) else if (part_nc - full_nc == 2)
{ {
ptype block[4][3]; ptype block[4][3];
separable_3x3_filter_block_grayscale(block, original, rr, cc, 3, 10, 3); separable_3x3_filter_block_grayscale(block, original, rr, cc, 2, 12, 2);
// bi-linearly interpolate partial block // bi-linearly interpolate partial block
assign_pixel(down[r][c] , (block[0][0]*49 + block[1][0]*7 + block[0][1]*7 + block[1][1] )/(64*256)); assign_pixel(down[r][c] , (block[0][0]*49 + block[1][0]*7 + block[0][1]*7 + block[1][1] )/(64*256));
...@@ -1611,7 +1611,7 @@ namespace dlib ...@@ -1611,7 +1611,7 @@ namespace dlib
else if (part_nc - full_nc == 1) else if (part_nc - full_nc == 1)
{ {
ptype block[4][2]; ptype block[4][2];
separable_3x3_filter_block_grayscale(block, original, rr, cc, 3, 10, 3); separable_3x3_filter_block_grayscale(block, original, rr, cc, 2, 12, 2);
// bi-linearly interpolate partial block // bi-linearly interpolate partial block
assign_pixel(down[r][c] , (block[0][0]*49 + block[1][0]*7 + block[0][1]*7 + block[1][1] )/(64*256)); assign_pixel(down[r][c] , (block[0][0]*49 + block[1][0]*7 + block[0][1]*7 + block[1][1] )/(64*256));
...@@ -1628,7 +1628,7 @@ namespace dlib ...@@ -1628,7 +1628,7 @@ namespace dlib
for (c = 0; c < full_nc; c+=size_out) for (c = 0; c < full_nc; c+=size_out)
{ {
ptype block[3][size_in]; ptype block[3][size_in];
separable_3x3_filter_block_grayscale(block, original, rr, cc, 3, 10, 3); separable_3x3_filter_block_grayscale(block, original, rr, cc, 2, 12, 2);
// bi-linearly interpolate partial block // bi-linearly interpolate partial block
assign_pixel(down[r][c] , (block[0][0]*49 + block[1][0]*7 + block[0][1]*7 + block[1][1] )/(64*256)); assign_pixel(down[r][c] , (block[0][0]*49 + block[1][0]*7 + block[0][1]*7 + block[1][1] )/(64*256));
...@@ -1647,7 +1647,7 @@ namespace dlib ...@@ -1647,7 +1647,7 @@ namespace dlib
if (part_nc - full_nc == 3) if (part_nc - full_nc == 3)
{ {
ptype block[3][4]; ptype block[3][4];
separable_3x3_filter_block_grayscale(block, original, rr, cc, 3, 10, 3); separable_3x3_filter_block_grayscale(block, original, rr, cc, 2, 12, 2);
// bi-linearly interpolate partial block // bi-linearly interpolate partial block
assign_pixel(down[r][c] , (block[0][0]*49 + block[1][0]*7 + block[0][1]*7 + block[1][1] )/(64*256)); assign_pixel(down[r][c] , (block[0][0]*49 + block[1][0]*7 + block[0][1]*7 + block[1][1] )/(64*256));
...@@ -1662,7 +1662,7 @@ namespace dlib ...@@ -1662,7 +1662,7 @@ namespace dlib
else if (part_nc - full_nc == 2) else if (part_nc - full_nc == 2)
{ {
ptype block[3][3]; ptype block[3][3];
separable_3x3_filter_block_grayscale(block, original, rr, cc, 3, 10, 3); separable_3x3_filter_block_grayscale(block, original, rr, cc, 2, 12, 2);
// bi-linearly interpolate partial block // bi-linearly interpolate partial block
assign_pixel(down[r][c] , (block[0][0]*49 + block[1][0]*7 + block[0][1]*7 + block[1][1] )/(64*256)); assign_pixel(down[r][c] , (block[0][0]*49 + block[1][0]*7 + block[0][1]*7 + block[1][1] )/(64*256));
...@@ -1674,7 +1674,7 @@ namespace dlib ...@@ -1674,7 +1674,7 @@ namespace dlib
else if (part_nc - full_nc == 1) else if (part_nc - full_nc == 1)
{ {
ptype block[3][2]; ptype block[3][2];
separable_3x3_filter_block_grayscale(block, original, rr, cc, 3, 10, 3); separable_3x3_filter_block_grayscale(block, original, rr, cc, 2, 12, 2);
// bi-linearly interpolate partial block // bi-linearly interpolate partial block
assign_pixel(down[r][c] , (block[0][0]*49 + block[1][0]*7 + block[0][1]*7 + block[1][1] )/(64*256)); assign_pixel(down[r][c] , (block[0][0]*49 + block[1][0]*7 + block[0][1]*7 + block[1][1] )/(64*256));
...@@ -1689,7 +1689,7 @@ namespace dlib ...@@ -1689,7 +1689,7 @@ namespace dlib
for (c = 0; c < full_nc; c+=size_out) for (c = 0; c < full_nc; c+=size_out)
{ {
ptype block[2][size_in]; ptype block[2][size_in];
separable_3x3_filter_block_grayscale(block, original, rr, cc, 3, 10, 3); separable_3x3_filter_block_grayscale(block, original, rr, cc, 2, 12, 2);
// bi-linearly interpolate partial block // bi-linearly interpolate partial block
assign_pixel(down[r][c] , (block[0][0]*49 + block[1][0]*7 + block[0][1]*7 + block[1][1] )/(64*256)); assign_pixel(down[r][c] , (block[0][0]*49 + block[1][0]*7 + block[0][1]*7 + block[1][1] )/(64*256));
...@@ -1703,7 +1703,7 @@ namespace dlib ...@@ -1703,7 +1703,7 @@ namespace dlib
if (part_nc - full_nc == 3) if (part_nc - full_nc == 3)
{ {
ptype block[2][4]; ptype block[2][4];
separable_3x3_filter_block_grayscale(block, original, rr, cc, 3, 10, 3); separable_3x3_filter_block_grayscale(block, original, rr, cc, 2, 12, 2);
// bi-linearly interpolate partial block // bi-linearly interpolate partial block
assign_pixel(down[r][c] , (block[0][0]*49 + block[1][0]*7 + block[0][1]*7 + block[1][1] )/(64*256)); assign_pixel(down[r][c] , (block[0][0]*49 + block[1][0]*7 + block[0][1]*7 + block[1][1] )/(64*256));
...@@ -1713,7 +1713,7 @@ namespace dlib ...@@ -1713,7 +1713,7 @@ namespace dlib
else if (part_nc - full_nc == 2) else if (part_nc - full_nc == 2)
{ {
ptype block[2][3]; ptype block[2][3];
separable_3x3_filter_block_grayscale(block, original, rr, cc, 3, 10, 3); separable_3x3_filter_block_grayscale(block, original, rr, cc, 2, 12, 2);
// bi-linearly interpolate partial block // bi-linearly interpolate partial block
assign_pixel(down[r][c] , (block[0][0]*49 + block[1][0]*7 + block[0][1]*7 + block[1][1] )/(64*256)); assign_pixel(down[r][c] , (block[0][0]*49 + block[1][0]*7 + block[0][1]*7 + block[1][1] )/(64*256));
...@@ -1722,7 +1722,7 @@ namespace dlib ...@@ -1722,7 +1722,7 @@ namespace dlib
else if (part_nc - full_nc == 1) else if (part_nc - full_nc == 1)
{ {
ptype block[2][2]; ptype block[2][2];
separable_3x3_filter_block_grayscale(block, original, rr, cc, 3, 10, 3); separable_3x3_filter_block_grayscale(block, original, rr, cc, 2, 12, 2);
// bi-linearly interpolate partial block // bi-linearly interpolate partial block
assign_pixel(down[r][c] , (block[0][0]*49 + block[1][0]*7 + block[0][1]*7 + block[1][1] )/(64*256)); assign_pixel(down[r][c] , (block[0][0]*49 + block[1][0]*7 + block[0][1]*7 + block[1][1] )/(64*256));
...@@ -1787,7 +1787,7 @@ namespace dlib ...@@ -1787,7 +1787,7 @@ namespace dlib
for (c = 0; c < full_nc; c+=size_out) for (c = 0; c < full_nc; c+=size_out)
{ {
rgbptype block[size_in][size_in]; rgbptype block[size_in][size_in];
separable_3x3_filter_block_rgb(block, original, rr, cc, 3, 10, 3); separable_3x3_filter_block_rgb(block, original, rr, cc, 2, 12, 2);
// bi-linearly interpolate block // bi-linearly interpolate block
down[r][c].red = (block[0][0].red*49 + block[1][0].red*7 + block[0][1].red*7 + block[1][1].red )/(64*256); down[r][c].red = (block[0][0].red*49 + block[1][0].red*7 + block[0][1].red*7 + block[1][1].red )/(64*256);
...@@ -1861,7 +1861,7 @@ namespace dlib ...@@ -1861,7 +1861,7 @@ namespace dlib
if (part_nc - full_nc == 3) if (part_nc - full_nc == 3)
{ {
rgbptype block[size_in][4]; rgbptype block[size_in][4];
separable_3x3_filter_block_rgb(block, original, rr, cc, 3, 10, 3); separable_3x3_filter_block_rgb(block, original, rr, cc, 2, 12, 2);
// bi-linearly interpolate partial block // bi-linearly interpolate partial block
down[r][c].red = (block[0][0].red*49 + block[1][0].red*7 + block[0][1].red*7 + block[1][1].red )/(64*256); down[r][c].red = (block[0][0].red*49 + block[1][0].red*7 + block[0][1].red*7 + block[1][1].red )/(64*256);
...@@ -1916,7 +1916,7 @@ namespace dlib ...@@ -1916,7 +1916,7 @@ namespace dlib
else if (part_nc - full_nc == 2) else if (part_nc - full_nc == 2)
{ {
rgbptype block[size_in][3]; rgbptype block[size_in][3];
separable_3x3_filter_block_rgb(block, original, rr, cc, 3, 10, 3); separable_3x3_filter_block_rgb(block, original, rr, cc, 2, 12, 2);
// bi-linearly interpolate partial block // bi-linearly interpolate partial block
down[r][c].red = (block[0][0].red*49 + block[1][0].red*7 + block[0][1].red*7 + block[1][1].red )/(64*256); down[r][c].red = (block[0][0].red*49 + block[1][0].red*7 + block[0][1].red*7 + block[1][1].red )/(64*256);
...@@ -1955,7 +1955,7 @@ namespace dlib ...@@ -1955,7 +1955,7 @@ namespace dlib
else if (part_nc - full_nc == 1) else if (part_nc - full_nc == 1)
{ {
rgbptype block[size_in][2]; rgbptype block[size_in][2];
separable_3x3_filter_block_rgb(block, original, rr, cc, 3, 10, 3); separable_3x3_filter_block_rgb(block, original, rr, cc, 2, 12, 2);
// bi-linearly interpolate partial block // bi-linearly interpolate partial block
down[r][c].red = (block[0][0].red*49 + block[1][0].red*7 + block[0][1].red*7 + block[1][1].red )/(64*256); down[r][c].red = (block[0][0].red*49 + block[1][0].red*7 + block[0][1].red*7 + block[1][1].red )/(64*256);
...@@ -1985,7 +1985,7 @@ namespace dlib ...@@ -1985,7 +1985,7 @@ namespace dlib
for (c = 0; c < full_nc; c+=size_out) for (c = 0; c < full_nc; c+=size_out)
{ {
rgbptype block[4][size_in]; rgbptype block[4][size_in];
separable_3x3_filter_block_rgb(block, original, rr, cc, 3, 10, 3); separable_3x3_filter_block_rgb(block, original, rr, cc, 2, 12, 2);
// bi-linearly interpolate partial block // bi-linearly interpolate partial block
down[r][c].red = (block[0][0].red*49 + block[1][0].red*7 + block[0][1].red*7 + block[1][1].red )/(64*256); down[r][c].red = (block[0][0].red*49 + block[1][0].red*7 + block[0][1].red*7 + block[1][1].red )/(64*256);
...@@ -2042,7 +2042,7 @@ namespace dlib ...@@ -2042,7 +2042,7 @@ namespace dlib
if (part_nc - full_nc == 3) if (part_nc - full_nc == 3)
{ {
rgbptype block[4][4]; rgbptype block[4][4];
separable_3x3_filter_block_rgb(block, original, rr, cc, 3, 10, 3); separable_3x3_filter_block_rgb(block, original, rr, cc, 2, 12, 2);
// bi-linearly interpolate partial block // bi-linearly interpolate partial block
down[r][c].red = (block[0][0].red*49 + block[1][0].red*7 + block[0][1].red*7 + block[1][1].red )/(64*256); down[r][c].red = (block[0][0].red*49 + block[1][0].red*7 + block[0][1].red*7 + block[1][1].red )/(64*256);
...@@ -2085,7 +2085,7 @@ namespace dlib ...@@ -2085,7 +2085,7 @@ namespace dlib
else if (part_nc - full_nc == 2) else if (part_nc - full_nc == 2)
{ {
rgbptype block[4][3]; rgbptype block[4][3];
separable_3x3_filter_block_rgb(block, original, rr, cc, 3, 10, 3); separable_3x3_filter_block_rgb(block, original, rr, cc, 2, 12, 2);
// bi-linearly interpolate partial block // bi-linearly interpolate partial block
down[r][c].red = (block[0][0].red*49 + block[1][0].red*7 + block[0][1].red*7 + block[1][1].red )/(64*256); down[r][c].red = (block[0][0].red*49 + block[1][0].red*7 + block[0][1].red*7 + block[1][1].red )/(64*256);
...@@ -2116,7 +2116,7 @@ namespace dlib ...@@ -2116,7 +2116,7 @@ namespace dlib
else if (part_nc - full_nc == 1) else if (part_nc - full_nc == 1)
{ {
rgbptype block[4][2]; rgbptype block[4][2];
separable_3x3_filter_block_rgb(block, original, rr, cc, 3, 10, 3); separable_3x3_filter_block_rgb(block, original, rr, cc, 2, 12, 2);
// bi-linearly interpolate partial block // bi-linearly interpolate partial block
down[r][c].red = (block[0][0].red*49 + block[1][0].red*7 + block[0][1].red*7 + block[1][1].red )/(64*256); down[r][c].red = (block[0][0].red*49 + block[1][0].red*7 + block[0][1].red*7 + block[1][1].red )/(64*256);
...@@ -2140,7 +2140,7 @@ namespace dlib ...@@ -2140,7 +2140,7 @@ namespace dlib
for (c = 0; c < full_nc; c+=size_out) for (c = 0; c < full_nc; c+=size_out)
{ {
rgbptype block[3][size_in]; rgbptype block[3][size_in];
separable_3x3_filter_block_rgb(block, original, rr, cc, 3, 10, 3); separable_3x3_filter_block_rgb(block, original, rr, cc, 2, 12, 2);
// bi-linearly interpolate partial block // bi-linearly interpolate partial block
down[r][c].red = (block[0][0].red*49 + block[1][0].red*7 + block[0][1].red*7 + block[1][1].red )/(64*256); down[r][c].red = (block[0][0].red*49 + block[1][0].red*7 + block[0][1].red*7 + block[1][1].red )/(64*256);
...@@ -2181,7 +2181,7 @@ namespace dlib ...@@ -2181,7 +2181,7 @@ namespace dlib
if (part_nc - full_nc == 3) if (part_nc - full_nc == 3)
{ {
rgbptype block[3][4]; rgbptype block[3][4];
separable_3x3_filter_block_rgb(block, original, rr, cc, 3, 10, 3); separable_3x3_filter_block_rgb(block, original, rr, cc, 2, 12, 2);
// bi-linearly interpolate partial block // bi-linearly interpolate partial block
down[r][c].red = (block[0][0].red*49 + block[1][0].red*7 + block[0][1].red*7 + block[1][1].red )/(64*256); down[r][c].red = (block[0][0].red*49 + block[1][0].red*7 + block[0][1].red*7 + block[1][1].red )/(64*256);
...@@ -2212,7 +2212,7 @@ namespace dlib ...@@ -2212,7 +2212,7 @@ namespace dlib
else if (part_nc - full_nc == 2) else if (part_nc - full_nc == 2)
{ {
rgbptype block[3][3]; rgbptype block[3][3];
separable_3x3_filter_block_rgb(block, original, rr, cc, 3, 10, 3); separable_3x3_filter_block_rgb(block, original, rr, cc, 2, 12, 2);
// bi-linearly interpolate partial block // bi-linearly interpolate partial block
down[r][c].red = (block[0][0].red*49 + block[1][0].red*7 + block[0][1].red*7 + block[1][1].red )/(64*256); down[r][c].red = (block[0][0].red*49 + block[1][0].red*7 + block[0][1].red*7 + block[1][1].red )/(64*256);
...@@ -2235,7 +2235,7 @@ namespace dlib ...@@ -2235,7 +2235,7 @@ namespace dlib
else if (part_nc - full_nc == 1) else if (part_nc - full_nc == 1)
{ {
rgbptype block[3][2]; rgbptype block[3][2];
separable_3x3_filter_block_rgb(block, original, rr, cc, 3, 10, 3); separable_3x3_filter_block_rgb(block, original, rr, cc, 2, 12, 2);
// bi-linearly interpolate partial block // bi-linearly interpolate partial block
down[r][c].red = (block[0][0].red*49 + block[1][0].red*7 + block[0][1].red*7 + block[1][1].red )/(64*256); down[r][c].red = (block[0][0].red*49 + block[1][0].red*7 + block[0][1].red*7 + block[1][1].red )/(64*256);
...@@ -2255,7 +2255,7 @@ namespace dlib ...@@ -2255,7 +2255,7 @@ namespace dlib
for (c = 0; c < full_nc; c+=size_out) for (c = 0; c < full_nc; c+=size_out)
{ {
rgbptype block[2][size_in]; rgbptype block[2][size_in];
separable_3x3_filter_block_rgb(block, original, rr, cc, 3, 10, 3); separable_3x3_filter_block_rgb(block, original, rr, cc, 2, 12, 2);
// bi-linearly interpolate partial block // bi-linearly interpolate partial block
down[r][c].red = (block[0][0].red*49 + block[1][0].red*7 + block[0][1].red*7 + block[1][1].red )/(64*256); down[r][c].red = (block[0][0].red*49 + block[1][0].red*7 + block[0][1].red*7 + block[1][1].red )/(64*256);
...@@ -2280,7 +2280,7 @@ namespace dlib ...@@ -2280,7 +2280,7 @@ namespace dlib
if (part_nc - full_nc == 3) if (part_nc - full_nc == 3)
{ {
rgbptype block[2][4]; rgbptype block[2][4];
separable_3x3_filter_block_rgb(block, original, rr, cc, 3, 10, 3); separable_3x3_filter_block_rgb(block, original, rr, cc, 2, 12, 2);
// bi-linearly interpolate partial block // bi-linearly interpolate partial block
down[r][c].red = (block[0][0].red*49 + block[1][0].red*7 + block[0][1].red*7 + block[1][1].red )/(64*256); down[r][c].red = (block[0][0].red*49 + block[1][0].red*7 + block[0][1].red*7 + block[1][1].red )/(64*256);
...@@ -2299,7 +2299,7 @@ namespace dlib ...@@ -2299,7 +2299,7 @@ namespace dlib
else if (part_nc - full_nc == 2) else if (part_nc - full_nc == 2)
{ {
rgbptype block[2][3]; rgbptype block[2][3];
separable_3x3_filter_block_rgb(block, original, rr, cc, 3, 10, 3); separable_3x3_filter_block_rgb(block, original, rr, cc, 2, 12, 2);
// bi-linearly interpolate partial block // bi-linearly interpolate partial block
down[r][c].red = (block[0][0].red*49 + block[1][0].red*7 + block[0][1].red*7 + block[1][1].red )/(64*256); down[r][c].red = (block[0][0].red*49 + block[1][0].red*7 + block[0][1].red*7 + block[1][1].red )/(64*256);
...@@ -2314,7 +2314,7 @@ namespace dlib ...@@ -2314,7 +2314,7 @@ namespace dlib
else if (part_nc - full_nc == 1) else if (part_nc - full_nc == 1)
{ {
rgbptype block[2][2]; rgbptype block[2][2];
separable_3x3_filter_block_rgb(block, original, rr, cc, 3, 10, 3); separable_3x3_filter_block_rgb(block, original, rr, cc, 2, 12, 2);
// bi-linearly interpolate partial block // bi-linearly interpolate partial block
down[r][c].red = (block[0][0].red*49 + block[1][0].red*7 + block[0][1].red*7 + block[1][1].red )/(64*256); down[r][c].red = (block[0][0].red*49 + block[1][0].red*7 + block[0][1].red*7 + block[1][1].red )/(64*256);
......
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