What is hdf5 files?

Accelerated Computing Intelligent Video Analytics TAO Toolkit
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I just tried the detectnet_v2.ipynb and it uses hdf5 files. But all the documentation is talking about .tlt and etlt files.

I searched and found this thread, but it did not really tell why or what to do instead.

This pages mentions etlt 14 times, but hdf5 only 2 times

and that is a bit confusing when this page mentions etlt as option 1

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HDF5 is a flexible and efficient file format for storing and sharing data, and it supports storing numerical data, such as weights and biases of a deep learning model. In TAO detectnet_v2, we save pretrained weights to an HDF5 file. see TAO Pretrained DetectNet V2 | NVIDIA NGC, There are several kinds of hdf5 files.
The .tlt file is actually an encrypted keras model.
The .etlt file is actually an encrypted uff or onnx model.

1 Like
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Okay that make sense :) Thank you

I have also seen now

From TAO 5.0.0, .etlt is deprecated
Deploying to DeepStream for DSSD - NVIDIA Docs

But that is the only place it is mentioned on the internet if one searches google

I can sense that tao 5.0 was big release 😅

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