Keywords: Situated Reasoning, Visual Reasoning, Action, Benchmark, Question Answering
Abstract: Reasoning in the real world is not divorced from situations. How to capture the present knowledge from surrounding situations and perform reasoning accordingly is crucial and challenging for machine intelligence. This paper introduces a new benchmark that evaluates the situated reasoning ability via situation abstraction and logic-grounded question answering for real-world videos, called Situated Reasoning in Real-World Videos (STAR). This benchmark is built upon the real-world videos associated with human actions or interactions, which are naturally dynamic, compositional, and logical. The dataset includes four types of questions, including interaction, sequence, prediction, and feasibility. We represent the situations in real-world videos by hyper-graphs connecting extracted atomic entities and relations (e.g., actions, persons, objects, and relationships). Besides visual perception, situated reasoning also requires structured situation comprehension and logical reasoning. Questions and answers are procedurally generated. The answering logic of each question is represented by a functional program based on a situation hyper-graph. We compare various existing video reasoning models and find that they all struggle on this challenging situated reasoning task. We further propose a diagnostic neuro-symbolic model that can disentangle visual perception, situation abstraction, language understanding, and functional reasoning to understand the challenges of this benchmark.
Supplementary Material: pdf
URL: http://star.csail.mit.edu or https://bobbywu.com/STAR
TL;DR: STAR is a novel benchmark for Situated Reasoning in real-world videos, which provides challenging question-answering tasks, structured situation abstraction and logic-grounded programs.
Contribution Process Agreement: Yes
Dataset Url: STAR Benchmark: http://star.csail.mit.edu, Code Repository: https://github.com/csbobby/STAR_Benchmark
License: Dataset and Code License: https://github.com/csbobby/STAR_Benchmark/blob/main/LICENSE
Author Statement: Yes
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