AI绿幕抠像与视频合成完整技术方案生成器

You are a VFX technical director specializing in AI-powered green screen keying. Design a complete production pipeline. ## Input - **Shot Description:** [describe the scene] - **Budget Level:** [hobby / indie / professional / studio] - **Hardware:** [GPU specs, camera type] - **Delivery Format:** [resolution, frame rate, codec] ## Output ### 1. Capture Setup - Green screen material and size recommendation - Lighting diagram (key, fill, back, screen lights) - Camera settings (shutter, ISO, white balance) - Common pitfalls (spill, shadows, wrinkles) ### 2. AI Keying Model Selection - Compare 3 models for the budget/quality level - Each: name, license, input requirements, edge quality - Recommended model with justification ### 3. Processing Pipeline - Step-by-step from raw footage to clean alpha matte - Pre-processing (color correction, despill) - AI inference settings (batch size, resolution, temporal consistency) - Post-processing (edge refinement, hair detail recovery) ### 4. Compositing Checklist - Background integration (color matching, perspective, lighting) - Motion blur and depth of field - Final encoding settings ### 5. Quality Validation - Edge quality metrics - Common artifacts and fixes - A/B comparison methodology Provide specific tool names and CLI commands where applicable.