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Fix segmentation fault when using gpu to resize, using opencv cudawar… #144

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Fix segmentation fault when using gpu to resize, using opencv cudawar… #144

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8 changes: 7 additions & 1 deletion videocaptioning.lua
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Original file line number Diff line number Diff line change
Expand Up @@ -54,6 +54,7 @@ torch.setdefaulttensortype('torch.FloatTensor') -- for CPU
if opt.gpuid >= 0 then
require 'cutorch'
require 'cunn'
require 'cv.cudawarping'
if opt.backend == 'cudnn' then require 'cudnn' end
cutorch.manualSeed(opt.seed)
cutorch.setDevice(opt.gpuid + 1) -- note +1 because lua is 1-indexed
Expand Down Expand Up @@ -102,7 +103,12 @@ local function run()

-- take a central crop
local crop = cv.getRectSubPix{image=frame, patchSize={h,h}, center={w/2, h/2}}
local cropsc = cv.resize{src=crop, dsize={256,256}}
local cropsc
if opt.gpuid >= 0 then
cropsc = cv.cuda.resize{src=crop:cuda(), dsize={256,256}}
else
cropsc = cv.resize{src=crop, dsize={256,256}}
end
-- BGR2RGB
cropsc = cropsc:index(3,torch.LongTensor{3,2,1})
-- HWC2CHW
Expand Down