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This PR introduces the following enhancements to the ISP (Image Signal Processor) module:
Sharpen Filter Enhancement: We have implemented a sharpening filter using Simple Unsharp Masking (SUM) with improved frequency and strength control. To optimize for RTL (Register Transfer Level) compatibility, all floating-point calculations have been converted to integer operations.
Configuration File Update: The default configuration file has been updated to include parameters related to the new sharpening filter. Users can now fine-tune the sharpening effect according to their requirements.
Sample Dataset Update: The sample dataset files have been updated to reflect the changes made to the sharpening filter. This ensures that users have access to sample data that is compatible with the new features.
Testing and Validation: Rigorous testing has been conducted to ensure the correctness and performance of the sharpening filter. The test results have been updated in the project's README file, providing insights into the improvements brought by this enhancement.
Documentation Updates: The user guide and algorithm description documents have been revised to include detailed information about the new sharpening filter, its parameters, and how to utilize it effectively.