1. Introduction
2. CNN Overview
2.1 Foundational Concepts
2.2 Successful CNN Components Across Various Applications
2.3 CNN Evolution and Architectural Diversity
2.4 Factors Driving Diverse CNN Architecture Design Across Applications
3. ViT Overview
3.1 Motivation and Emergence
3.2 ViT Architectural Components
4. Hybrid Architectures
4.1 Hybrid: Merging CNN and ViT
4.3 Architectural Integration: Sequential Integration
4.5 Feature Fusion Strategies: Early Fusion
4.6 Feature Fusion Strategies: Late Fusion
4.7 Attention Mechanism Module Integration
5. Comparative Analysis and Applications
6. Challenges and Future Research Directions
7. Conclusion