function results = vl_test_imarray(varargin) % VL_TEST_IMARRAY vl_test_init ; function test_movie_rgb(s) A = rand(23,15,3,4) ; B = vl_imarray(A,'movie',true) ; function test_movie_indexed(s) cmap = get(0,'DefaultFigureColormap') ; A = uint8(size(cmap,1)*rand(23,15,4)) ; A = min(A,size(cmap,1)-1) ; B = vl_imarray(A,'movie',true) ; function test_movie_gray_indexed(s) A = uint8(255*rand(23,15,4)) ; B = vl_imarray(A,'movie',true,'cmap',gray(256)) ; for k=1:size(A,3) vl_assert_equal(squeeze(A(:,:,k)), ... frame2im(B(k))) ; end function test_basic(s) M = 3 ; N = 4 ; width = 32 ; height = 15 ; for i=1:M for j=1:N A{i,j} = rand(width,height) ; end end A1 = A'; A1 = cat(3,A1{:}) ; A2 = cell2mat(A) ; B = vl_imarray(A1, 'layout', [M N]) ; vl_assert_equal(A2,B) ;