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VOXL2 tflite custom models

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  • J Offline
    J Offline
    Jgaucin
    Contributor
    wrote on last edited by
    #1

    Hello!

    TL;DR – Does the VOXL2 have an EdgeTPU included in the hardware or is it just the name given to the DeepLab v3 model below? Also, how can I access the models in the VOXL2 in order to fine-tune or optimize for my specific needs?:

    edgetpu_deeplab_321_os32_float16_quant.tflite

    VOXL2_dnn.png

    I wanted to make this post to ask about this and see if anyone has had the same experience and has any resources to accomplish this task. I have seen some forum posts of this being successfully done on VOXL however not any forum posts on the VOXL2 (qrb5165).

    I found this article which has the performance of the models and a link to the segmentation model on Github. That Github repository PINTO_Model_Zoo also has a link to the EdgeTPU-DeepLab models trained on the Cityscapes dataset.

    link text

    link text

    My understanding is that I can use a Deeplab v3 segmentation model compatible with TensorFlow Lite, which then needs to be quantized for best performance and to be compatible with the nnapi used by VOXL2. I am unsure of the role edgetpu plays in this process. I hope the documentation over this is made public soon to help in the start of this process.

    Thank you as always!

    ModeratorM 1 Reply Last reply
    0
    • J Jgaucin

      Hello!

      TL;DR – Does the VOXL2 have an EdgeTPU included in the hardware or is it just the name given to the DeepLab v3 model below? Also, how can I access the models in the VOXL2 in order to fine-tune or optimize for my specific needs?:

      edgetpu_deeplab_321_os32_float16_quant.tflite

      VOXL2_dnn.png

      I wanted to make this post to ask about this and see if anyone has had the same experience and has any resources to accomplish this task. I have seen some forum posts of this being successfully done on VOXL however not any forum posts on the VOXL2 (qrb5165).

      I found this article which has the performance of the models and a link to the segmentation model on Github. That Github repository PINTO_Model_Zoo also has a link to the EdgeTPU-DeepLab models trained on the Cityscapes dataset.

      link text

      link text

      My understanding is that I can use a Deeplab v3 segmentation model compatible with TensorFlow Lite, which then needs to be quantized for best performance and to be compatible with the nnapi used by VOXL2. I am unsure of the role edgetpu plays in this process. I hope the documentation over this is made public soon to help in the start of this process.

      Thank you as always!

      ModeratorM Offline
      ModeratorM Offline
      Moderator
      ModalAI Team
      wrote on last edited by
      #2

      @Jgaucin voxl-tflite-server is just a wrapper for standard TensorFlow Lite that has been compiled with the proper configurations to take advantage of QRB5165.

      voxl-tflite-server code

      So, if you can achieve what you are trying to do using TensorFlow Lite on the desktop, then you should be able to bring over to VOXL 2 in a straightforward manner.

      The inference_worker function here is where the models are processed

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