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As the help of `upConv` says: ``` >> help upConv RES = upConv(IM, FILT, EDGES, STEP, START, STOP, RES) ... RES is an optional result matrix. The convolution result will be destructively added into this matrix. If this argument is passed, the result matrix will not be returned. DO NOT USE THIS ARGUMENT IF YOU DO NOT UNDERSTAND WHAT THIS MEANS!! ... ``` So, what you can do here is to modify the code: 1. Not to pass the `RES` input argument 2. Not to receive the `RES` output argument The problem with the following code is that `res` exists both on the left side and right side. https://github.com/LabForComputationalVision/matlabPyrTools/blob/42e4602dd06a36282b16123e7f587c08f397b272/reconSpyr.m#L94 According to the `upConv` usage in reconSpyr.m, and reconSpyrLevs.m, the `res` variable is created in proper size and type, so you should omit the left side `res` output argument.
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This patch will solve the problem reported in #4.
As the help of
upConvsays:So, what you can do here is to modify the code:
RESinput argumentRESoutput argumentThe problem with the following code is that
resexists both on the left side and right side.matlabPyrTools/reconSpyr.m
Line 94 in 42e4602
According to the
upConvusage in reconSpyr.m, and reconSpyrLevs.m, theresvariable is created in proper size and type, so you should omit the left sideresoutput argument.