untangling some multiline things
thinking about how to call piotr's fhog from C++
fleshing out ideas for calling fhog from cpp
aha, we don't use convTri or gradientMexNorm if normRad==0. and, typically, we use normRad == 0
looking at 'resize' frame rate. refactored trivial fhog demo
looking at downsample sizes again
parameterizing downsampleFactor
trying to get dims to match... for the dims that match, results look unchanged (good)