Add gabor filter to filters in image processing

[rishavk99]

# Description

Please include a summary of the change and which issue is fixed. Please also include relevant motivation and context. Include a proper title of the Script that is being entered.

Fixes # (issue)

## Type of change

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- [ ] New Script
- [ ] New Category (Is any new category being made to accommodate this script)
- [ ] Bug fix (non-breaking change which fixes an issue)
- [ ] New feature (non-breaking change which adds functionality)