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In recent years there has been significant improvement in the capability of Visual Place Recognition (VPR) methods, building on the success of both hand-crafted and learnt visual features, temporal filtering and usage of semantic scene…

计算机视觉与模式识别 · 计算机科学 2019-05-01 Mubariz Zaffar , Ahmad Khaliq , Shoaib Ehsan , Michael Milford , Klaus McDonald-Maier

Important high-level vision tasks such as human-object interaction, image captioning and robotic manipulation require rich semantic descriptions of objects at part level. Based upon previous work on part localization, in this paper, we…

计算机视觉与模式识别 · 计算机科学 2016-12-22 Cewu Lu , Hao Su , Yongyi Lu , Li Yi , Chikeung Tang , Leonidas Guibas

Tiny objects, with their limited spatial resolution, often resemble point-like distributions. As a result, bounding box prediction using point-level supervision emerges as a natural and cost-effective alternative to traditional box-level…

计算机视觉与模式识别 · 计算机科学 2024-12-10 Haoran Zhu , Chang Xu , Ruixiang Zhang , Fang Xu , Wen Yang , Haijian Zhang , Gui-Song Xia

The past few years have witnessed the immense success of object detection, while current excellent detectors struggle on tackling size-limited instances. Concretely, the well-known challenge of low overlaps between the priors and object…

计算机视觉与模式识别 · 计算机科学 2023-10-06 Xiang Yuan , Gong Cheng , Kebing Yan , Qinghua Zeng , Junwei Han

Objective: Accurate probability estimates are essential for the safe deployment of medical image segmentation models in clinical decision-making. However, modern deep segmentation networks are often poorly calibrated, a problem exacerbated…

计算机视觉与模式识别 · 计算机科学 2026-05-05 Meritxell Riera-Marín , Javier García López , Júlia Rodríguez-Comas , Miguel A. González Ballester , Adrian Galdran

For best performance, today's semantic segmentation methods use large and carefully labeled datasets, requiring expensive annotation budgets. In this work, we show that coarse annotation is a low-cost but highly effective alternative for…

计算机视觉与模式识别 · 计算机科学 2022-12-16 Anurag Das , Yongqin Xian , Yang He , Zeynep Akata , Bernt Schiele

One recent promising approach to the Visual Place Recognition (VPR) problem has been to fuse the place recognition estimates of multiple complementary VPR techniques using methods such as SRAL and multi-process fusion. These approaches come…

计算机视觉与模式识别 · 计算机科学 2023-08-24 Connor Malone , Stephen Hausler , Tobias Fischer , Michael Milford

Point cloud registration (PCR) is crucial for many downstream tasks, such as simultaneous localization and mapping (SLAM) and object tracking. This makes detecting and quantifying registration misalignment, i.e., PCR quality validation, an…

计算机视觉与模式识别 · 计算机科学 2026-02-09 Shipeng Liu , Ziliang Xiong , Khac-Hoang Ngo , Per-Erik Forssén

Place recognition and loop closure detection are challenging for long-term visual navigation tasks. SeqSLAM is considered to be one of the most successful approaches to achieving long-term localization under varying environmental conditions…

Large Language Models (LLMs) have made significant strides in generating human-like responses, largely due to preference alignment techniques. However, these methods often assume unbiased human feedback, which is rarely the case in…

机器学习 · 计算机科学 2025-09-16 Amirabbas Afzali , Amirhossein Afsharrad , Seyed Shahabeddin Mousavi , Sanjay Lall

Human keypoint detection from a single image is very challenging due to occlusion, blur, illumination and scale variance of person instances. In this paper, we find that context information plays an important role in addressing these…

计算机视觉与模式识别 · 计算机科学 2019-10-29 Jing Zhang , Zhe Chen , Dacheng Tao

Efficient LiDAR Place Recognition (LPR) compresses dense pointwise features into compact global descriptors. While first-order aggregators such as GeM and NetVLAD are widely used, they overlook inter-feature correlations that second-order…

计算机视觉与模式识别 · 计算机科学 2025-05-20 Saimunur Rahman , Peyman Moghadam

Conformal Prediction (CP) is a distribution-free method for constructing prediction sets with marginal finite-sample coverage guarantees, making it a suitable framework for reliable uncertainty quantification in safety-critical object…

计算机视觉与模式识别 · 计算机科学 2026-05-11 Christopher Ries , Moussa Kassem Sbeyti , Nicolas Bianco , Nadja Klein

Visual place recognition (VPR) enables autonomous systems to localize themselves within an environment using image information. While Convolution Neural Networks (CNNs) currently dominate state-of-the-art VPR performance, their high…

计算机视觉与模式识别 · 计算机科学 2023-05-10 Bruno Arcanjo , Bruno Ferrarini , Michael Milford , Klaus D. McDonald-Maier , Shoaib Ehsan

Recent studies show that vision models pre-trained in generic visual learning tasks with large-scale data can provide useful feature representations for a wide range of visual perception problems. However, few attempts have been made to…

计算机视觉与模式识别 · 计算机科学 2024-04-04 Feng Lu , Lijun Zhang , Xiangyuan Lan , Shuting Dong , Yaowei Wang , Chun Yuan

In object detection, offset-guided and point-guided regression dominate anchor-based and anchor-free method separately. Recently, point-guided approach is introduced to anchor-based method. However, we observe points predicted by this way…

计算机视觉与模式识别 · 计算机科学 2020-11-05 Bin Zhu , Qing Song , Lu Yang , Zhihui Wang , Chun Liu , Mengjie Hu

Although recent advances in regional Convolutional Neural Networks (CNNs) enable them to outperform conventional techniques on standard object detection and classification tasks, their response time is still slow for real-time performance.…

计算机视觉与模式识别 · 计算机科学 2016-03-03 JT Turner , Kalyan Gupta , Brendan Morris , David W. Aha

We propose a multi-precision extension of the Quadratic Regularization (R2) algorithm that enables it to take advantage of low-precision computations, and by extension to decrease energy consumption during the solve. The lower the precision…

最优化与控制 · 数学 2023-12-14 Domnique Monnet , Dominique Orban

This paper presents a new annotation method called Sparse Annotation (SA) for crowd counting, which reduces human labeling efforts by sparsely labeling individuals in an image. We argue that sparse labeling can reduce the redundancy of full…

计算机视觉与模式识别 · 计算机科学 2023-04-13 Shiwei Zhang , Zhengzheng Wang , Qing Liu , Fei Wang , Wei Ke , Tong Zhang

Training high-accuracy 3D detectors necessitates massive labeled 3D annotations with 7 degree-of-freedom, which is laborious and time-consuming. Therefore, the form of point annotations is proposed to offer significant prospects for…

计算机视觉与模式识别 · 计算机科学 2024-03-26 Hongzhi Gao , Zheng Chen , Zehui Chen , Lin Chen , Jiaming Liu , Shanghang Zhang , Feng Zhao