Cody

# Problem 839. Compute the dilation of a binary image

Solution 126403

Submitted on 10 Aug 2012 by @bmtran (Bryant Tran)
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### Test Suite

Test Status Code Input and Output
1   Pass
%% f = fopen('mymorphop.m','rt'); code = lower(fread(f,Inf,'*char'))'; fclose(f); assert(isempty(strfind(code,'dilat'))) assert(isempty(strfind(code,'erode'))) assert(isempty(strfind(code,'bwmorph'))) assert(isempty(strfind(code,'filt'))) assert(isempty(strfind(code,'conv')))

2   Pass
%% in = zeros(3,3); out = in; assert(isequal(mymorphop(in),out));

3   Pass
%% in = zeros(10,5); in(4,3) = 1; out = in; out(3:5,2:4) = 1; assert(isequal(mymorphop(in),out));

4   Pass
%% in = [0,0,1,0,0,1,0 0,1,0,0,0,1,1 1,1,0,0,0,0,0 1,0,0,0,0,0,1 1,0,0,0,0,1,1]; out = [1,1,1,1,1,1,1 1,1,1,1,1,1,1 1,1,1,0,1,1,1 1,1,1,0,1,1,1 1,1,0,0,1,1,1]; assert(isequal(mymorphop(in),out));

5   Pass
%% in = [0,0,1,0,0,0,0,0,1 0,1,0,0,0,0,0,0,1 1,1,0,0,0,0,0,0,1 1,0,0,0,0,0,0,0,1 1,0,0,0,0,0,0,0,1]; out = [1,1,1,1,0,0,0,1,1 1,1,1,1,0,0,0,1,1 1,1,1,0,0,0,0,1,1 1,1,1,0,0,0,0,1,1 1,1,0,0,0,0,0,1,1]; assert(isequal(mymorphop(in),out));