activity
20222026
most citedEcoAssistant: Using LLM Assistant More Affordably and Accurately

7 citations · 31 across the 43 of their papers we have counts for

collaborators

47 papers

cs.CV2026

OmniTaskonomy: When Does Visual Generation Improve Visual Understanding?

Jiaxin Ge, Yiming Qin, Ji Xie +13

Training a model to generate visual content can encourage it to learn rich perceptual capabilities related to geometry, spatial relationships, and objectness; yet, its benefits for…

cs.CV2026

Vision-Language Grounding as Bidirectional Concept Correspondence

Jieyu Zhang, Ziqi Gao, Luke Zettlemoyer +1

Vision-language grounding connects language to visual content, yet most existing formulations reduce grounding to a unidirectional localization problem: given a prespecified text p…

cs.CV2026

MolmoMotion: Forecasting Point Trajectories in 3D with Language Instruction

Jianing Zhang, Chenhao Zheng, Yajun Yang +10

Motion forecasting is central to visual intelligence: agents must anticipate how objects will move in order to plan actions, reason about physical interactions, and synthesize real…

cs.AI2026

Imaginative Perception Tokens Enhance Spatial Reasoning in Multimodal Language Models

Mahtab Bigverdi, Linjie Li, Weikai Huang +8

Vision language models (VLMs) excel at many tasks but still struggle with spatial reasoning when critical information is not directly observable. Many such problems require imagina…

cs.CV2026

WildDet3D: Scaling Promptable 3D Detection in the Wild

Weikai Huang, Jieyu Zhang, Sijun Li +15

Understanding objects in 3D from a single image is a cornerstone of spatial intelligence. A key step toward this goal is monocular 3D object detection--recovering the extent, locat…

cs.CV2026

You Only Judge Once: Multi-response Reward Modeling in a Single Forward Pass

Yinuo Yang, Zixian Ma, Manasi Ganti +2

We present a discriminative multimodal reward model that scores all candidate responses in a single forward pass. Conventional discriminative reward models evaluate each response i…

cs.CV2026

MolmoPoint: Better Pointing for VLMs with Grounding Tokens

Christopher Clark, Yue Yang, Jae Sung Park +8

Grounding has become a fundamental capability of vision-language models (VLMs). Most existing VLMs point by generating coordinates as part of their text output, which requires lear…

cs.CV2026

Unified Spatio-Temporal Token Scoring for Efficient Video VLMs

Jianrui Zhang, Yue Yang, Rohun Tripathi +5

Token pruning is essential for enhancing the computational efficiency of vision-language models (VLMs), particularly for video-based tasks where temporal redundancy is prevalent. P…

cs.CV2026

Video-Based Reward Modeling for Computer-Use Agents

Linxin Song, Jieyu Zhang, Huanxin Sheng +6

Computer-using agents (CUAs) are becoming increasingly capable; however, it remains difficult to scale evaluation of whether a trajectory truly fulfills a user instruction. In this…

cs.CV2026

Synthetic Visual Genome 2: Extracting Large-scale Spatio-Temporal Scene Graphs from Videos

Ziqi Gao, Jieyu Zhang, Wisdom Oluchi Ikezogwo +10

We introduce Synthetic Visual Genome 2 (SVG2), a large-scale panoptic video scene graph dataset. SVG2 contains over 636K videos with 6.6M objects, 52.0M attributes, and 6.7M relati…

cs.CV2026

VFIG: Vectorizing Complex Figures in SVG with Vision-Language Models

Qijia He, Xunmei Liu, Hammaad Memon +6

Scalable Vector Graphics (SVG) are essential for technical illustration and digital design, offering resolution independence and semantic editability. In practice, original vector…

cs.CL2026

Scale Can't Overcome Pragmatics: The Impact of Reporting Bias on Vision-Language Reasoning

Amita Kamath, Jack Hessel, Khyathi Chandu +3

The lack of reasoning capabilities in Vision-Language Models (VLMs) has remained at the forefront of research discourse. We posit that this behavior stems from a reporting bias in…

cs.AI2026★ 1 cited

Theory of Space: Can Foundation Models Construct Spatial Beliefs through Active Exploration?

Pingyue Zhang, Zihan Huang, Yue Wang +11

Spatial embodied intelligence requires agents to act to acquire information under partial observability. While multimodal foundation models excel at passive perception, their capac…

cs.CV2026

TrajTok: Learning Trajectory Tokens enables better Video Understanding

Chenhao Zheng, Jieyu Zhang, Jianing Zhang +6

Tokenization in video models, typically through patchification, generates an excessive and redundant number of tokens. This severely limits video efficiency and scalability. While…

cs.CV2026★ 1 cited

Molmo2: Open Weights and Data for Vision-Language Models with Video Understanding and Grounding

Christopher Clark, Jieyu Zhang, Zixian Ma +18

Today's strongest video-language models (VLMs) remain proprietary. The strongest open-weight models either rely on synthetic data from proprietary VLMs, effectively distilling from…

cs.CV2025

Mull-Tokens: Modality-Agnostic Latent Thinking

Arijit Ray, Ahmed Abdelkader, Chengzhi Mao +5

Reasoning goes beyond language; the real world requires reasoning about space, time, affordances, and much more that words alone cannot convey. Existing multimodal models exploring…

cs.CV2025

SIMS-V: Simulated Instruction-Tuning for Spatial Video Understanding

Ellis Brown, Arijit Ray, Ranjay Krishna +3

Despite impressive high-level video comprehension, multimodal language models struggle with spatial reasoning across time and space. While current spatial training approaches rely…

cs.CV2025

Synthetic Object Compositions for Scalable and Accurate Learning in Detection, Segmentation, and Grounding

Weikai Huang, Jieyu Zhang, Taoyang Jia +5

Visual grouping -- operationalized through tasks such as instance segmentation, visual grounding, and object detection -- enables applications ranging from robotic perception to ph…

cs.AI2025

Rethinking Human Preference Evaluation of LLM Rationales

Ziang Li, Manasi Ganti, Zixian Ma +3

Large language models (LLMs) often generate natural language rationales -- free-form explanations that help improve performance on complex reasoning tasks and enhance interpretabil…

cs.AI2025

MedBLINK: Probing Basic Perception in Multimodal Language Models for Medicine

Mahtab Bigverdi, Wisdom Ikezogwo, Kevin Zhang +5

Multimodal language models (MLMs) show promise for clinical decision support and diagnostic reasoning, raising the prospect of end-to-end automated medical image interpretation. Ho…

cs.CV2025

Explain Before You Answer: A Survey on Compositional Visual Reasoning

Fucai Ke, Joy Hsu, Zhixi Cai +10

Compositional visual reasoning has emerged as a key research frontier in multimodal AI, aiming to endow machines with the human-like ability to decompose visual scenes, ground inte…

cs.CV2025

VideoMolmo: Spatio-Temporal Grounding Meets Pointing

Ghazi Shazan Ahmad, Ahmed Heakl, Hanan Gani +4

Spatio-temporal localization is vital for precise interactions across diverse domains, from biological research to autonomous navigation and interactive interfaces. Current video-b…

cs.CV2025

Unfolding Spatial Cognition: Evaluating Multimodal Models on Visual Simulations

Linjie Li, Mahtab Bigverdi, Jiawei Gu +5

Spatial cognition is essential for human intelligence, enabling problem-solving through visual simulations rather than solely relying on verbal reasoning. However, existing AI benc…

cs.AI2025★ 1 cited

MindCube: Spatial Mental Modeling from Limited Views

Qineng Wang, Baiqiao Yin, Pingyue Zhang +11

Can Vision-Language Models (VLMs) imagine the full scene from just a few views, like humans do? Humans form spatial mental models naturally, internal representations of unseen spac…