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Yifu Guo

6 accepted papers

2026

CACR: Reinforcing Temporal Answer Grounding in Instructional Video via Candidate-Aware Causal Reasoning

ICML 2026poster

The task of temporal answer grounding in instructional videos (TAGV), which aims to locate precise video segments that respond to natural language queries, is increasingly important for direct video answer retrieval. This task remains challenging due to the need to comprehend semantically complex qu…

Cited by 0SourceScholar
2026

Decoupling Continual Semantic Segmentation

AAAI 2026technical

Continual Semantic Segmentation (CSS) requires learning new classes without forgetting previously acquired knowledge, addressing the fundamental challenge of catastrophic forgetting in dense prediction tasks. However, existing CSS methods typically employ single-stage encoder-decoder architectures w

Cited by 0SourcePDFScholar
2026

Shape of Thought: Progressive Object Assembly via Visual Chain-of-Thought

ICML 2026poster

Multimodal models for text-to-image generation have achieved strong visual fidelity, yet they remain brittle under compositional structural constraints—notably generative numeracy, attribute binding, and part-level relations. To address these challenges, we propose **Shape-of-Thought (SoT)**, a visu…

Cited by 0SourceScholar
2026

VideoSeg-R1:Reasoning Video Object Segmentation via Reinforcement Learning

AAAI 2026technical

Traditional video reasoning segmentation methods rely on supervised fine-tuning, which limits generalization to out-of-distribution scenarios and lacks explicit reasoning. To address this, we propose VideoSeg-R1, the first framework to introduce reinforcement learning into video reasoning segmentati

Cited by 0SourcePDFScholar
2025

RepoMaster: Autonomous Exploration and Understanding of GitHub Repositories for Complex Task Solving

NeurIPS 2025spotlight

The ultimate goal of code agents is to solve complex tasks autonomously. Although large language models (LLMs) have made substantial progress in code generation, real-world tasks typically demand full-fledged code repositories rather than simple scripts. Building such repositories from scratch rem…

Cited by 0SourcecodeScholar
2025

SE-Agent: Self-Evolution Trajectory Optimization in Multi-Step Reasoning with LLM-Based Agents

NeurIPS 2025poster

Large Language Model (LLM)-based agents have recently shown impressive capabilities in complex reasoning and tool use via multi-step interactions with their environments. While these agents have the potential to tackle complicated tasks, their problem-solving process—agents' interaction trajectory l…

Cited by 0SourceScholar