register parseq preset

[sachinprasadhs]

Description of the change

Reference

Colab Notebook

Checklist

• I have added all the necessary unit tests for my change.
• I have verified that my change does not break existing code and works with all backends (TensorFlow, JAX, and PyTorch).
• My PR is based on the latest changes of the main branch (if unsure, rebase the code).
• I have followed the Keras Hub Model contribution guidelines in making these changes.
• I have followed the Keras Hub API design guidelines in making these changes.
• I have signed the Contributor License Agreement.

[gemini-code-assist]

Summary of Changes

Hello @sachinprasadhs, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request integrates the PARSeq model into the Keras Hub ecosystem by establishing its preset configurations and ensuring proper registration. It also refines the checkpoint conversion process for PARSeq models, streamlining their inclusion and management within the system.

Highlights

• Register PARSeq Presets: The PARSeq model's presets are now registered within the Keras Hub system, making them discoverable and usable.
• Define PARSeq ViT Preset: A new file parseq_presets.py has been added to define the configuration for the 'parseq_vit' model, including its description, parameter count, and Kaggle handle.
• Update Checkpoint Conversion Script: The convert_parseq_checkpoints.py script has been updated to use a simplified preset key ('parseq' instead of 'parseq_vit') and now explicitly calls save_to_preset to ensure converted models are properly saved.

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[gemini-code-assist]

Code Review

This pull request registers a new preset for the PARSeq model. The changes include adding the preset definition, a script to convert checkpoints, and registering the preset. The code is well-structured, but there is an inconsistency in the preset naming between the definition file and the conversion script. I've suggested a change to align the preset name to parseq across all files to ensure it can be loaded correctly and adheres to the repository's consistency principle.

[laxmareddyp]

LGTM