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The selection of the optimal embryo for transfer is a critical yet challenging step in in vitro fertilization (IVF), primarily due to its reliance on the manual inspection of extensive time-lapse imaging data. A key obstacle in this process…

Computer Vision and Pattern Recognition · Computer Science 2026-04-27 Zahra Asghari Varzaneh , Niclas Wölner-Hanssen , Reza Khoshkangini , Thomas Ebner , Magnus Johnsson

Spatial-temporal forecasting and imputation are important for real-world intelligent systems. Most existing methods are tailored for individual forecasting or imputation tasks but are not designed for both. Additionally, they are less…

Machine Learning · Computer Science 2025-05-21 YiHeng Huang , Xiaowei Mao , Shengnan Guo , Yubin Chen , Junfeng Shen , Tiankuo Li , Youfang Lin , Huaiyu Wan

Predicting future frames of a video is challenging because it is difficult to learn the uncertainty of the underlying factors influencing their contents. In this paper, we propose a novel video prediction model, which has…

Computer Vision and Pattern Recognition · Computer Science 2024-02-20 Xi Ye , Guillaume-Alexandre Bilodeau

Video large language models (LLMs) achieve strong video understanding by leveraging a large number of spatio-temporal tokens, but suffer from quadratic computational scaling with token count. To address this, we propose a training-free…

Computer Vision and Pattern Recognition · Computer Science 2025-07-11 Jeongseok Hyun , Sukjun Hwang , Su Ho Han , Taeoh Kim , Inwoong Lee , Dongyoon Wee , Joon-Young Lee , Seon Joo Kim , Minho Shim

Robust prediction of citywide traffic flows at different time periods plays a crucial role in intelligent transportation systems. While previous work has made great efforts to model spatio-temporal correlations, existing methods still…

Machine Learning · Computer Science 2024-03-07 Jiahao Ji , Jingyuan Wang , Chao Huang , Junjie Wu , Boren Xu , Zhenhe Wu , Junbo Zhang , Yu Zheng

Spatio-temporal forecasting is crucial in many domains, such as transportation, meteorology, and energy. However, real-world scenarios frequently present challenges such as signal anomalies, noise, and distributional shifts. Existing…

Machine Learning · Computer Science 2025-10-30 Wei Chen , Yuxuan Liang

Intrapartum cardiotocography (CTG) is widely used for fetal monitoring during labor, yet its interpretation suffers from high inter-observer variability and limited predictive accuracy. Deep learning approaches have been constrained by the…

Machine Learning · Computer Science 2026-01-13 Naomi Fridman , Berta Ben Shachar

Video Temporal Grounding (VTG) aims to localize relevant temporal segments in videos given natural language queries. Despite recent progress with large vision-language models (LVLMs) and instruction-tuning, existing approaches often suffer…

Computer Vision and Pattern Recognition · Computer Science 2025-07-25 Ruizhe Chen , Zhiting Fan , Tianze Luo , Heqing Zou , Zhaopeng Feng , Guiyang Xie , Hansheng Zhang , Zhuochen Wang , Zuozhu Liu , Huaijian Zhang

Despite impressive high-level video comprehension, multimodal language models struggle with spatial reasoning across time and space. While current spatial training approaches rely on real-world video data, obtaining diverse footage with…

Computer Vision and Pattern Recognition · Computer Science 2025-11-17 Ellis Brown , Arijit Ray , Ranjay Krishna , Ross Girshick , Rob Fergus , Saining Xie

The intrapartum ultrasound guideline established by ISUOG highlights the Angle of Progression (AoP) and Head Symphysis Distance (HSD) as pivotal metrics for assessing fetal head descent and predicting delivery outcomes. Accurate measurement…

Image and Video Processing · Electrical Eng. & Systems 2025-03-21 Jie Gan , Zhuonan Liang , Jianan Fan , Lisa Mcguire , Caterina Watson , Jacqueline Spurway , Jillian Clarke , Weidong Cai

Visual Prompt Tuning (VPT) techniques have gained prominence for their capacity to adapt pre-trained Vision Transformers (ViTs) to downstream visual tasks using specialized learnable tokens termed as prompts. Contemporary VPT methodologies,…

Computer Vision and Pattern Recognition · Computer Science 2024-02-28 Shentong Mo , Yansen Wang , Xufang Luo , Dongsheng Li

Automated vehicles (AV) heavily depend on robust perception systems. Current methods for evaluating vision systems focus mainly on frame-by-frame performance. Such evaluation methods appear to be inadequate in assessing the performance of a…

Robotics · Computer Science 2023-11-22 Mohammad Hekmatnejad , Bardh Hoxha , Jyotirmoy V. Deshmukh , Yezhou Yang , Georgios Fainekos

Spatio-temporal video grounding (STVG) aims to localize queried objects within dynamic video segments. Prevailing fully-trained approaches are notoriously data-hungry. However, gathering large-scale STVG data is exceptionally challenging:…

Computer Vision and Pattern Recognition · Computer Science 2026-04-15 Zanyi Wang , Fan Li , Dengyang Jiang , Liuzhuozheng Li , Yunhua Zhong , Guang Dai , Mengmeng Wang

Multivariate Time Series (MTS) forecasting plays a vital role in a wide range of applications. Recently, Spatial-Temporal Graph Neural Networks (STGNNs) have become increasingly popular MTS forecasting methods. STGNNs jointly model the…

Machine Learning · Computer Science 2022-08-17 Zezhi Shao , Zhao Zhang , Fei Wang , Yongjun Xu

Pretraining on noisy, internet-scale datasets has been heavily studied as a technique for training models with broad, general capabilities for text, images, and other modalities. However, for many sequential decision domains such as…

Machine Learning · Computer Science 2022-06-24 Bowen Baker , Ilge Akkaya , Peter Zhokhov , Joost Huizinga , Jie Tang , Adrien Ecoffet , Brandon Houghton , Raul Sampedro , Jeff Clune

Multimodal Large Language Models (MLLMs) have demonstrated impressive performance in short video understanding. However, understanding long-form videos still remains challenging for MLLMs. This paper proposes TimeSuite, a collection of new…

Computer Vision and Pattern Recognition · Computer Science 2025-02-13 Xiangyu Zeng , Kunchang Li , Chenting Wang , Xinhao Li , Tianxiang Jiang , Ziang Yan , Songze Li , Yansong Shi , Zhengrong Yue , Yi Wang , Yali Wang , Yu Qiao , Limin Wang

Surgical video understanding is a crucial prerequisite for advancing Computer-Assisted Surgery. While vision-language models (VLMs) have recently been applied to the surgical domain, existing surgical vision-language datasets lack in…

Computer Vision and Pattern Recognition · Computer Science 2026-04-02 Lennart Maack , Alexander Schlaefer

Spatio-temporal video grounding (STVG) requires localizing a target object in untrimmed videos both temporally and spatially from natural language descriptions. Despite their strong language understanding, multimodal large language models…

Computer Vision and Pattern Recognition · Computer Science 2025-11-27 Xin Gu , Haoji Zhang , Qihang Fan , Jingxuan Niu , Zhipeng Zhang , Libo Zhang , Guang Chen , Fan Chen , Longyin Wen , Sijie Zhu

Spatial-temporal Map (STMap)-based methods have shown great potential to process high-angle videos for vehicle trajectory reconstruction, which can meet the needs of various data-driven modeling and imitation learning applications. In this…

Computer Vision and Pattern Recognition · Computer Science 2024-03-07 Tianya T. Zhang Ph. D. , Peter J. Jin Ph. D. , Han Zhou , Benedetto Piccoli , Ph. D

Spatial Transcriptomics (ST) profiles thousands of gene expression values at discrete spots with precise coordinates on tissue sections, preserving spatial context essential for clinical and pathological studies. With rising sequencing…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Yishun Zhu , Jiaxin Qi , Jian Wang , Yuhua Zheng , Jianqiang Huang