From 94e3d4d483bf050c2ebee4ee67f02eaffd1c53f3 Mon Sep 17 00:00:00 2001 From: Yuxuan Shui Date: Thu, 25 Aug 2022 05:29:26 +0100 Subject: [PATCH] kernel: be more conservative when estimating deviation Using integral to estimate the sum of the kernel will overestimate a little bit. Signed-off-by: Yuxuan Shui --- src/kernel.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/kernel.c b/src/kernel.c index 547e25b..a96e9f3 100644 --- a/src/kernel.c +++ b/src/kernel.c @@ -133,7 +133,7 @@ conv *gaussian_kernel_autodetect_deviation(double shadow_radius) { if (shadow_radius == 0) { return gaussian_kernel(0, size); } - double std = gaussian_kernel_std_for_size(shadow_radius, 1.0 / 256.0); + double std = gaussian_kernel_std_for_size(shadow_radius, 0.5 / 256.0); return gaussian_kernel(std, size); }