Please provide complete information as applicable to your setup.
• Hardware Platform GPU
• DeepStream Version 6.1
• Issue Type questions
as @ fanzh suggested in this topic, I get everything inside
nvinfer and do alignment successfully. Now I have two questions:
Q1: how can I cover original data in
I copy the data to host by
cudaMemcpy((void *)src_data, (void *)surface->surfaceList[frameIndex].dataPtr, surface->surfaceList[frameIndex].dataSize, cudaMemcpyDeviceToHost);
src_data to a cv::Mat by
cv::Mat frame = cv::Mat((gint)surface->surfaceList[frameIndex].height, (gint)surface->surfaceList[frameIndex].width, CV_8UC3, src_data, surface->surfaceList[frameIndex].pitch);
then I do alignment on the
frame. after all, I get a finished cv:Mat suppose its name
warpImg, I tried to copy the
warpImg to cover the original data by
cudaMemcpy((void *)surface->surfaceList[frameIndex].dataPtr, warpImg.ptr(0), sizeInBytes, cudaMemcpyHostToDevice);
It fails of course. I find that the
mem->surf is uncontinuous, for example, its pitch is 512, and its width is 112 as well as its channel 3. there is a gap at the end of each row. However, the
warpImg is continuous as it calls
So the question is: How to cover the original data.
Q2: How to make the crop object bigger?
I know that
nvinfer use the bbox to crop object. However, I didn’t find relevant codes about the output resolution. for example, my trt model takes a 112*112 input, the output img’s resolution will be 112*112 too. How to change the output img bigger?
Hope you guys can give me some advice :-)
thanks in advance.