Vision Transformers (ViT): How They Work and Why They Are Redefining Computer Vision
A clear and intuitive explanation of Vision Transformers (ViT): 16×16 patches, embeddings, positional encoding, global attention, comparison with CNNs, modern variants (DeiT, Swin), and their foundational role in multimodal AI systems like CLIP, PaLI, Gemini, and GPT‑4o Vision



