Image IO

Accelerated Computing CUDA CUDA Programming and Performance
1

Hello,

i am fairly new to CUDA programming, actually i haven’t written any programs with CUDA so far.
What i want to do is to read/write Images in my CUDA application. Is there an easy way to do this with CUDA like with OpenCV? I mean, does CUDA have it’s own functions for that or do i have to link every of my programs to OpenCV aswell?

Thanks and best regards, tdhd

2

If you can get pointer to data after reading images using OpenCV functions , then you can transfer it to GPU memory, compute and transfer back to CPU and then can use OpenCV functions to write back in supported formats.

3

Hello,

you can also use cutLoadPGMub / cutSavePGMub for load/store images with unsigned char data. These functions are part of the SDK but i think there is no inconvenient. There are also the homonymous for integer, short and float.

Regards!

4

I forgot that you can also use cutLoadPPMub and cutSavePPMub for color images :)

Hope this help.

5

Thanks for all your replies, i now figured it out. :)