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Mengdi Liu

8 accepted papers

2026

LensWalk: Agentic Video Understanding by Planning How You See in Videos

CVPR 2026

The dense, temporal nature of video presents a profound challenge for automated analysis. Despite the use of powerful Vision-Language Models, prevailing methods for video understanding are limited by the inherent disconnect between reasoning and perception: they rely on static, pre-processed informa

Cited by 0SourceScholar
2026

Lost in Tokenization: Context as the Key to Unlocking Biomolecular Understanding in Scientific LLMs

ICLR 2026poster

Scientific Large Language Models (Sci-LLMs) have emerged as a promising frontier for accelerating biological discovery. However, these models face a fundamental challenge when processing raw biomolecular sequences: the tokenization dilemma. Whether treating sequences as a specialized language, riski…

Cited by 0SourcecodeScholar
2026

MAST: Motif-Augmented Diffusion with Search Tree for Spectroscopic Molecular Structure Elucidation

ICML 2026poster

Elucidating molecular structures from spectra is a foundational problem in chemical and materials characterization, yet remains challenging due to spectral ambiguity and the vast molecular space. Although recent diffusion-based generators show strong promise for spectra-conditioned elucidation, exis…

Cited by 0SourceScholar
2026

MindFlow: Mind Supernet Powered Thinking Flows for Research Idea Innovation

ICML 2026poster

Research idea innovation is a fundamental engine of scientific progress, yet it remains difficult to generate and evaluate in a scalable and controllable way. This challenge lies in its inherently open-ended and multi-objective nature, where ideas should balance novelty, plausibility and feasibility…

Cited by 0SourceScholar
2025

CP-DETR: Concept Prompt Guide DETR Toward Stronger Universal Object Detection

AAAI 2025technical

Recent research on universal object detection aims to introduce language in a SoTA closed-set detector and then generalize the open-set concepts by constructing large-scale (text-region) datasets for training. However, these methods face two main challenges: (i) how to efficiently use the prior info…

Cited by 0SourcePDFScholar
2025

G2PDiffusion: Cross-Species Genotype-to-Phenotype Prediction via Evolutionary Diffusion

ICCV 2025poster

Understanding how genes influence phenotype across species is a fundamental challenge in genetic engineering, which will facilitate advances in various fields such as crop breeding, conservation biology, and personalized medicine. However, current phenotype prediction models are limited to individua…

Cited by 0SourcePDFScholar
2025

ProtInvTree: Deliberate Protein Inverse Folding with Reward-guided Tree Search

NeurIPS 2025spotlight

Designing protein sequences that fold into a target 3D structure—known as protein inverse folding—is a fundamental challenge in protein engineering. While recent deep learning methods have achieved impressive performance by recovering native sequences, they often overlook the one-to-many nature of t…

Cited by 0SourcecodeScholar
2024

Exploration of Visual Prompt in Grounded Pre-Trained Open-Set Detection

ICASSP 2024accepted

Text prompts are crucial for generalizing pre-trained open-set object detection models to new categories. However, current methods for text prompts are limited as they require manual feedback when generalizing to new categories, which restricts their ability to model complex scenes, often leading to…

Cited by 0SourceScholar