arxivcs.CVcs.LG2026-07-14
What Does a Temporal Benchmark Score Measure? Decomposing Channel Use in Video VLM Evaluation
A score on a temporal video question answering benchmark is meant to measure that a model has temporal understanding, but it conflates two questions. 1. The task question: is the question even temporal, does it need several frames and their order? and 2. The channel question, whe…