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Consumer-grade camera systems often struggle to maintain stable image quality under complex illumination conditions such as low light, high dynamic range, and backlighting, as well as spatial color temperature variation. These issues lead…

Computer Vision and Pattern Recognition · Computer Science 2025-10-24 Fuchen Li , Yansong Du , Wenbo Cheng , Xiaoxia Zhou , Sen Yin

Few-shot segmentation aims to segment unseen-class objects given only a handful of densely labeled samples. Prototype learning, where the support feature yields a singleor several prototypes by averaging global and local object information,…

Computer Vision and Pattern Recognition · Computer Science 2022-06-22 Ehtesham Iqbal , Sirojbek Safarov , Seongdeok Bang

Image matching and object detection are two fundamental and challenging tasks, while many related applications consider them two individual tasks (i.e. task-individual). In this paper, a collaborative framework called MatchDet (i.e.…

Computer Vision and Pattern Recognition · Computer Science 2024-07-18 Jinxiang Lai , Wenlong Wu , Bin-Bin Gao , Jun Liu , Jiawei Zhan , Congchong Nie , Yi Zeng , Chengjie Wang

Most existing object detectors suffer from class imbalance problems that hinder balanced performance. In particular, anchor free object detectors have to solve the background imbalance problem due to detection in a per-pixel prediction…

Computer Vision and Pattern Recognition · Computer Science 2020-12-29 Hopyong Gil , Sangwoo Park , Yusang Park , Wongoo Han , Juyean Hong , Juneyoung Jung

Recent sparse detectors with multiple, e.g. six, decoder layers achieve promising performance but much inference time due to complex heads. Previous works have explored using dense priors as initialization and built one-decoder-layer…

Computer Vision and Pattern Recognition · Computer Science 2023-08-21 Shenghao Fu , Junkai Yan , Yipeng Gao , Xiaohua Xie , Wei-Shi Zheng

We present consistent optimization for single stage object detection. Previous works of single stage object detectors usually rely on the regular, dense sampled anchors to generate hypothesis for the optimization of the model. Through an…

Computer Vision and Pattern Recognition · Computer Science 2019-01-24 Tao Kong , Fuchun Sun , Huaping Liu , Yuning Jiang , Jianbo Shi

Few-shot learning problem focuses on recognizing unseen classes given a few labeled images. In recent effort, more attention is paid to fine-grained feature embedding, ignoring the relationship among different distance metrics. In this…

Computer Vision and Pattern Recognition · Computer Science 2022-11-03 Jinxiang Lai , Siqian Yang , Guannan Jiang , Xi Wang , Yuxi Li , Zihui Jia , Xiaochen Chen , Jun Liu , Bin-Bin Gao , Wei Zhang , Yuan Xie , Chengjie Wang

Few-shot action recognition aims to enable models to quickly learn new action categories from limited labeled samples, addressing the challenge of data scarcity in real-world applications. Current research primarily addresses three core…

Computer Vision and Pattern Recognition · Computer Science 2025-12-23 Xiaoyang Li , Mingming Lu , Ruiqi Wang , Hao Li , Zewei Le

One-stage object detectors are trained by optimizing classification-loss and localization-loss simultaneously, with the former suffering much from extreme foreground-background class imbalance issue due to the large number of anchors. This…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Kean Chen , Jianguo Li , Weiyao Lin , John See , Ji Wang , Lingyu Duan , Zhibo Chen , Changwei He , Junni Zou

Multi-Object Tracking (MOT) remains a vital component of intelligent video analysis, which aims to locate targets and maintain a consistent identity for each target throughout a video sequence. Existing works usually learn a discriminative…

Computer Vision and Pattern Recognition · Computer Science 2023-11-20 Yizhe Li , Sanping Zhou , Zheng Qin , Le Wang , Jinjun Wang , Nanning Zheng

Recent years have witnessed many exciting achievements for object detection using deep learning techniques. Despite achieving significant progresses, most existing detectors are designed to detect objects with relatively low-quality…

Computer Vision and Pattern Recognition · Computer Science 2018-03-23 Xiongwei Wu , Daoxin Zhang , Jianke Zhu , Steven C. H. Hoi

Estimating the pose of an unseen object is the goal of the challenging one-shot pose estimation task. Previous methods have heavily relied on feature matching with great success. However, these methods are often inefficient and limited by…

Computer Vision and Pattern Recognition · Computer Science 2023-04-05 Pedro Castro , Tae-Kyun Kim

Region anchors are the cornerstone of modern object detection techniques. State-of-the-art detectors mostly rely on a dense anchoring scheme, where anchors are sampled uniformly over the spatial domain with a predefined set of scales and…

Computer Vision and Pattern Recognition · Computer Science 2019-04-15 Jiaqi Wang , Kai Chen , Shuo Yang , Chen Change Loy , Dahua Lin

We revisit the one-shot Neural Architecture Search (NAS) paradigm and analyze its advantages over existing NAS approaches. Existing one-shot method, however, is hard to train and not yet effective on large scale datasets like ImageNet. This…

Computer Vision and Pattern Recognition · Computer Science 2020-07-09 Zichao Guo , Xiangyu Zhang , Haoyuan Mu , Wen Heng , Zechun Liu , Yichen Wei , Jian Sun

One-shot object detection aims at detecting novel objects according to merely one given instance. With extreme data scarcity, current approaches explore various feature fusions to obtain directly transferable meta-knowledge. Yet, their…

Computer Vision and Pattern Recognition · Computer Science 2022-03-22 Yizhou Zhao , Xun Guo , Yan Lu

One-stage object detectors are trained by optimizing classification-loss and localization-loss simultaneously, with the former suffering much from extreme foreground-background class imbalance issue due to the large number of anchors. This…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Kean Chen , Weiyao Lin , Jianguo Li , John See , Ji Wang , Junni Zou

Recent one-stage object detectors follow a per-pixel prediction approach that predicts both the object category scores and boundary positions from every single grid location. However, the most suitable positions for inferring different…

Computer Vision and Pattern Recognition · Computer Science 2022-12-02 Li Yang , Yan Xu , Shaoru Wang , Chunfeng Yuan , Ziqi Zhang , Bing Li , Weiming Hu

We introduce a novel neural volumetric pose feature, termed PoseMap, designed to enhance camera localization by encapsulating the information between images and the associated camera poses. Our framework leverages an Absolute Pose…

Computer Vision and Pattern Recognition · Computer Science 2024-07-15 Jingyu Lin , Jiaqi Gu , Bojian Wu , Lubin Fan , Renjie Chen , Ligang Liu , Jieping Ye

To achieve accurate and robust object detection in the real-world scenario, various forms of images are incorporated, such as color, thermal, and depth. However, multimodal data often suffer from the position shift problem, i.e., the image…

Computer Vision and Pattern Recognition · Computer Science 2022-04-22 Lu Zhang , Zhiyong Liu , Xiangyu Zhu , Zhan Song , Xu Yang , Zhen Lei , Hong Qiao

Asymmetric appearance between positive pair effectively reduces the risk of representation degradation in contrastive learning. However, there are still a mass of appearance similarities between positive pair constructed by the existing…

Computer Vision and Pattern Recognition · Computer Science 2023-06-06 Chengchao Shen , Jianzhong Chen , Shu Wang , Hulin Kuang , Jin Liu , Jianxin Wang