I want to deploy a model with C++ on TVM, and I want to do Image Processing (ops like resize, load jpeg) without OpenCV, what should I do ? thanks all!
For resize and image loading, you could try skia. Its c++ and cross platform.
But for setting inputs on some networks…i’m unsure if skia has any helper methods to convert to formats that are needed. For instance, i use some models that are R(float32)G(float32)B(float32), and require planar (rrrbbbggg vs rgbrgbrgb) layout. I’m not aware of libraries that have this functionality and would probably write that by hand.
OTOH, opencv has a built in function to convert formats, blobFromImage.
With my projects, I statically compile in opencv, so i’m left with a single ~20meg library(.so/dll).
@fourmi1995, my two cents.
In my opinion, you are trying to resolve a problem not directly related to TVM. How data are prepared/pre-processed isn’t necessarily part of TVM pipeline. You have to identify your deployment environment and then try to find a solution. For example, on a bare-metal system, there’s no OS, no file system and probably very few c-lib APIs available, you’ll have to write very low-level C code to get your data; on the contrary, a full-fledged Linux system has a whole lot more library available other than OpenCV to leverage.
said that, I do see relay has some algorithm and image processing APIs defined, Theoretically you can create OPs involved in image pre-processing, defining the compute and schedule for each of them, then stitching up your pipeline inside Relay/TVM. I guess it is a lot of work though and probably not necessary to be done in TVM.