From 25d94aa8aabb8ac3e8bbea0bc439ea6148444cc8 Mon Sep 17 00:00:00 2001 From: leochanj Date: Wed, 21 Oct 2020 01:52:54 -0400 Subject: debug libextra and remove matlab --- .../texture_synthesis/src/matlab/rcosFn.m | 45 ---------------------- 1 file changed, 45 deletions(-) delete mode 100755 SD-VBS/benchmarks/texture_synthesis/src/matlab/rcosFn.m (limited to 'SD-VBS/benchmarks/texture_synthesis/src/matlab/rcosFn.m') diff --git a/SD-VBS/benchmarks/texture_synthesis/src/matlab/rcosFn.m b/SD-VBS/benchmarks/texture_synthesis/src/matlab/rcosFn.m deleted file mode 100755 index 5dac344..0000000 --- a/SD-VBS/benchmarks/texture_synthesis/src/matlab/rcosFn.m +++ /dev/null @@ -1,45 +0,0 @@ -% [X, Y] = rcosFn(WIDTH, POSITION, VALUES) -% -% Return a lookup table (suitable for use by INTERP1) -% containing a "raised cosine" soft threshold function: -% -% Y = VALUES(1) + (VALUES(2)-VALUES(1)) * -% cos^2( PI/2 * (X - POSITION + WIDTH)/WIDTH ) -% -% WIDTH is the width of the region over which the transition occurs -% (default = 1). POSITION is the location of the center of the -% threshold (default = 0). VALUES (default = [0,1]) specifies the -% values to the left and right of the transition. - -% Eero Simoncelli, 7/96. - -function [X, Y] = rcosFn(width,position,values) - -%------------------------------------------------------------ -% OPTIONAL ARGS: - -if (exist('width') ~= 1) - width = 1; -end - -if (exist('position') ~= 1) - position = 0; -end - -if (exist('values') ~= 1) - values = [0,1]; -end - -%------------------------------------------------------------ - -sz = 256; %% arbitrary! - -X = pi * [-sz-1:1] / (2*sz); - -Y = values(1) + (values(2)-values(1)) * cos(X).^2; - -% Make sure end values are repeated, for extrapolation... -Y(1) = Y(2); -Y(sz+3) = Y(sz+2); - -X = position + (2*width/pi) * (X + pi/4); -- cgit v1.2.2