Cross-Platform Image Comparison Tool - Flutter

I need a feature for an Android and iOS Flutter app that identifies differences between images using feature-based comparison. The tool will be used to compare photos, graphics, and screenshots.

Key Requirements:
- Implement feature-based image comparison
- Support for photos, graphics, and screenshots
- Cross-platform functionality on Android and iOS

Ideal Skills:
- Experience with Flutter development
- Proficient in image processing techniques
- Knowledge of feature-based comparison algorithms (e.g., SIFT, SURF, ORB)
- Strong problem-solving skills and attention to detail

Please provide examples of similar work done.