A year of building a video caption pipeline with 100+ professional creators, and what it taught us about scaling supervision instead of models. By Zhiqiu Lin and Chancharik Mitra. Based on our CVPR 2026 work, Building a Precise Video Language with Human-AI Oversight (Highlight, Top 3%). How close is today's video generator to a Hollywood cinematographer? Hollywood directors reach for certain shots because they make a scene land. They cue a specific feeling in the viewer that flat coverage cannot.…