Search code examples
machine-learningdeep-learningmxnet

"MultiBoxTarget" always returns zero arrays

I am trying to use mxnet ssd object detection provided in mxnet SSD, while I'm trying with provided data set with two classes, it works fine. But I am trying to use my own data set with 40 different classes, there is a problem.

I noticed that "MultiBoxTarget" always returns zero. I am not familiar with the mechanism of MultiBoxTarget and can not figure the problem exactly.

Is there any one who can describe this function for me? Any helpful hint is appreciated.

Solution

  • In regards to reproducing the mAP, the issue Thomas mentioned has been updated and resolved with instructions on how to reproduce the score.

    Please see https://gluon-cv.mxnet.io/build/examples_detection/train_ssd_voc.html

    from the issue https://github.com/apache/incubator-mxnet/pull/13186.

    Vishaal