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The scarcity of ground-truth labels poses one major challenge in developing optical flow estimation models that are both generalizable and robust. While current methods rely on data augmentation, they have yet to fully exploit the rich…

计算机视觉与模式识别 · 计算机科学 2024-03-28 Jisoo Jeong , Hong Cai , Risheek Garrepalli , Jamie Menjay Lin , Munawar Hayat , Fatih Porikli

Likelihood-based deep generative models (DGMs) have gained significant attention for their ability to approximate the distributions of high-dimensional data. However, these models lack a performance guarantee in assigning higher likelihood…

机器学习 · 计算机科学 2025-02-04 Behrooz Montazeran , Ullrich Köthe

As vehicle automation advances, motion planning algorithms face escalating challenges in achieving safe and efficient navigation. Existing Advanced Driver Assistance Systems (ADAS) primarily focus on basic tasks, leaving unexpected…

Robotic perception requires the modeling of both 3D geometry and semantics. Existing methods typically focus on estimating 3D bounding boxes, neglecting finer geometric details and struggling to handle general, out-of-vocabulary objects. 3D…

计算机视觉与模式识别 · 计算机科学 2023-12-14 Xiaoyu Tian , Tao Jiang , Longfei Yun , Yucheng Mao , Huitong Yang , Yue Wang , Yilun Wang , Hang Zhao

Autonomous navigation in crowded spaces poses a challenge for mobile robots due to the highly dynamic, partially observable environment. Occlusions are highly prevalent in such settings due to a limited sensor field of view and obstructing…

机器人学 · 计算机科学 2023-05-02 Ye-Ji Mun , Masha Itkina , Shuijing Liu , Katherine Driggs-Campbell

We present a novel approach to generate collision-free trajectories for a robot operating in close proximity with a human obstacle in an occluded environment. The self-occlusions of the robot can significantly reduce the accuracy of human…

机器人学 · 计算机科学 2020-06-02 Jae Sung Park , Dinesh Manocha

Stochastic gradient descent (SGD) algorithm is an effective learning strategy to build a latent factor analysis (LFA) model on a high-dimensional and incomplete (HDI) matrix. A particle swarm optimization (PSO) algorithm is commonly adopted…

神经与进化计算 · 计算机科学 2022-08-05 Jiufang Chen , Ye Yuan

Occlusion poses a major challenge for person re-identification (ReID). Existing approaches typically rely on outside tools to infer visible body parts, which may be suboptimal in terms of both computational efficiency and ReID accuracy. In…

计算机视觉与模式识别 · 计算机科学 2022-01-04 Pengfei Wang , Changxing Ding , Zhiyin Shao , Zhibin Hong , Shengli Zhang , Dacheng Tao

Multimodal 3D occupancy prediction has garnered significant attention for its potential in autonomous driving. However, most existing approaches are single-modality: camera-based methods lack depth information, while LiDAR-based methods…

计算机视觉与模式识别 · 计算机科学 2025-07-24 Zaipeng Duan , Chenxu Dang , Xuzhong Hu , Pei An , Junfeng Ding , Jie Zhan , Yunbiao Xu , Jie Ma

Open-Set Object Detection (OSOD) has emerged as a contemporary research direction to address the detection of unknown objects. Recently, few works have achieved remarkable performance in the OSOD task by employing contrastive clustering to…

计算机视觉与模式识别 · 计算机科学 2024-12-31 Hiran Sarkar , Vishal Chudasama , Naoyuki Onoe , Pankaj Wasnik , Vineeth N Balasubramanian

Recent medical vision-language models have shown promise on tasks such as VQA, report generation, and anomaly detection. However, most are adapted to structured adult imaging and underperform in fetal ultrasound, which poses challenges of…

计算机视觉与模式识别 · 计算机科学 2026-01-28 Xiao He , Huangxuan Zhao , Guojia Wan , Wei Zhou , Yanxing Liu , Juhua Liu , Yongchao Xu , Yong Luo , Dacheng Tao , Bo Du

Despite the remarkable progress facilitated by learning-based stereo-matching algorithms, the performance in the ill-conditioned regions, such as the occluded regions, remains a bottleneck. Due to the limited receptive field, existing…

计算机视觉与模式识别 · 计算机科学 2024-02-29 Zihua Liu , Yizhou Li , Masatoshi Okutomi

Prevalent semantic segmentation solutions are, in essence, a dense discriminative classifier of p(class|pixel feature). Though straightforward, this de facto paradigm neglects the underlying data distribution p(pixel feature|class), and…

计算机视觉与模式识别 · 计算机科学 2022-10-06 Chen Liang , Wenguan Wang , Jiaxu Miao , Yi Yang

Preterm infants (born between 28 and 37 weeks of gestation) face elevated risks of neurodevelopmental delays, making early identification crucial for timely intervention. While deep learning-based volumetric segmentation of brain MRI scans…

计算机视觉与模式识别 · 计算机科学 2026-01-21 Lexin Ren , Jiamiao Lu , Weichuan Zhang , Benqing Wu , Tuo Wang , Yi Liao , Jiapan Guo , Changming Sun , Liang Guo

We present SOccDPT, a memory-efficient approach for 3D semantic occupancy prediction from monocular image input using dense prediction transformers. To address the limitations of existing methods trained on structured traffic datasets, we…

计算机视觉与模式识别 · 计算机科学 2025-01-07 Aditya Nalgunda Ganesh

To overcome the problem of occlusion in visual tracking, this paper proposes an occlusion-aware tracking algorithm. The proposed algorithm divides the object into discrete image patches according to the pixel distribution of the object by…

计算机视觉与模式识别 · 计算机科学 2021-04-19 Rongtai Caiand Peng Zhu

Recent advances in robust semi-supervised learning (SSL) typically filter out-of-distribution (OOD) information at the sample level. We argue that an overlooked problem of robust SSL is its corrupted information on semantic level,…

计算机视觉与模式识别 · 计算机科学 2023-05-31 Yu Wang , Pengchong Qiao , Chang Liu , Guoli Song , Xiawu Zheng , Jie Chen

3D semantic occupancy prediction is an important task for robust vision-centric autonomous driving, which predicts fine-grained geometry and semantics of the surrounding scene. Most existing methods leverage dense grid-based scene…

计算机视觉与模式识别 · 计算机科学 2024-12-09 Yuanhui Huang , Amonnut Thammatadatrakoon , Wenzhao Zheng , Yunpeng Zhang , Dalong Du , Jiwen Lu

Sequential Bayesian Filtering aims to estimate the current state distribution of a Hidden Markov Model, given the past observations. The problem is well-known to be intractable for most application domains, except in notable cases such as…

机器学习 · 统计学 2024-02-16 Théophile Cantelobre , Carlo Ciliberto , Benjamin Guedj , Alessandro Rudi

Severe occlusions of objects pose a major challenge for computer vision. We show that two root causes are (1) the loss of visible information and (2) the distracting patterns caused by the occluders. Our approach addresses both causes at…

计算机视觉与模式识别 · 计算机科学 2026-04-07 Kay Gijzen , Gertjan J. Burghouts , Daniël M. Pelt