There is no update from you for a period, assuming this is not an issue anymore.
Hence we are closing this topic. If need further support, please open a new one.
topK is just a part of the NMS algorithm, and it only works with detection models. What makes you think it is depreciated?
Which model are you using? I think you are asking for the postprocessing of your model(network), but we don’t know anything of your model(s), how can we provide suggestions? Can you ask the model owner to provide the solution?