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Object recognition using single-point supervision has attracted increasing attention recently. However, the performance gap compared with fully-supervised algorithms remains large. Previous works generated class-agnostic…

Computer Vision and Pattern Recognition · Computer Science 2025-04-11 Pengfei Chen , Xuehui Yu , Xumeng Han , Kuiran Wang , Guorong Li , Lingxi Xie , Zhenjun Han , Jianbin Jiao

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

Open-vocabulary detectors are proposed to locate and recognize objects in novel classes. However, variations in vision-aware language vocabulary data used for open-vocabulary learning can lead to unfair and unreliable evaluations. Recent…

Computer Vision and Pattern Recognition · Computer Science 2025-03-21 Ying Liu , Yijing Hua , Haojiang Chai , Yanbo Wang , TengQi Ye

State-of-the-art object detection networks depend on region proposal algorithms to hypothesize object locations. Advances like SPPnet and Fast R-CNN have reduced the running time of these detection networks, exposing region proposal…

Computer Vision and Pattern Recognition · Computer Science 2016-01-07 Shaoqing Ren , Kaiming He , Ross Girshick , Jian Sun

Few-shot object detection (FSOD) aims at learning a detector that can fast adapt to previously unseen objects with scarce annotated examples, which is challenging and demanding. Existing methods solve this problem by performing subtasks of…

Computer Vision and Pattern Recognition · Computer Science 2021-04-20 Longyao Liu , Bo Ma , Yulin Zhang , Xin Yi , Haozhi Li

Recently, several Vision Transformer (ViT) based methods have been proposed for Fine-Grained Visual Classification (FGVC).These methods significantly surpass existing CNN-based ones, demonstrating the effectiveness of ViT in FGVC…

Computer Vision and Pattern Recognition · Computer Science 2022-03-25 Zi-Chao Zhang , Zhen-Duo Chen , Yongxin Wang , Xin Luo , Xin-Shun Xu

Object detection often suffers from a plenty of bootless proposals, selecting high quality proposals remains a great challenge. In this paper, we propose a semantic, class-specific approach to re-rank object proposals, which can…

Computer Vision and Pattern Recognition · Computer Science 2016-05-23 Zhun Zhong , Mingyi Lei , Shaozi Li , Jianping Fan

We propose AffordanceNet, a new deep learning approach to simultaneously detect multiple objects and their affordances from RGB images. Our AffordanceNet has two branches: an object detection branch to localize and classify the object, and…

Computer Vision and Pattern Recognition · Computer Science 2018-03-06 Thanh-Toan Do , Anh Nguyen , Ian Reid

Weakly supervised object detection (WSOD) has attracted significant attention in recent years, as it does not require box-level annotations. State-of-the-art methods generally adopt a multi-module network, which employs WSDDN as the…

Computer Vision and Pattern Recognition · Computer Science 2026-05-27 Yuelin Guo , Haoyu He , Zhiyuan Chen , Zitong Huang , Renhao Lu , Lu Shi , Zejun Wang , Weizhe Zhang

Existing approaches for unsupervised point cloud pre-training are constrained to either scene-level or point/voxel-level instance discrimination. Scene-level methods tend to lose local details that are crucial for recognizing the road…

Computer Vision and Pattern Recognition · Computer Science 2022-09-05 Junbo Yin , Dingfu Zhou , Liangjun Zhang , Jin Fang , Cheng-Zhong Xu , Jianbing Shen , Wenguan Wang

This paper proposes a new convolutional neural network with multiscale processing for detecting ground-glass opacity (GGO) nodules in 3D computed tomography (CT) images, which is referred to as PiaNet for short. PiaNet consists of a…

Computer Vision and Pattern Recognition · Computer Science 2020-10-13 Weihua Liu , Xiabi Liua , Xiongbiao Luo , Murong Wang , Guanghui Han , Xinming Zhao , Zheng Zhu

Fine-grained image classification is to recognize hundreds of subcategories belonging to the same basic-level category, such as 200 subcategories belonging to the bird, which is highly challenging due to large variance in the same…

Computer Vision and Pattern Recognition · Computer Science 2017-11-29 Yuxin Peng , Xiangteng He , Junjie Zhao

Fine-grained recognition is challenging due to its subtle local inter-class differences versus large intra-class variations such as poses. A key to address this problem is to localize discriminative parts to extract pose-invariant features.…

Computer Vision and Pattern Recognition · Computer Science 2017-03-22 Xiao Liu , Tian Xia , Jiang Wang , Yi Yang , Feng Zhou , Yuanqing Lin

Despite weakly supervised object detection (WSOD) being a promising step toward evading strong instance-level annotations, its capability is confined to closed-set categories within a single training dataset. In this paper, we propose a…

Computer Vision and Pattern Recognition · Computer Science 2023-12-20 Jianghang Lin , Yunhang Shen , Bingquan Wang , Shaohui Lin , Ke Li , Liujuan Cao

Recent CLIP-based few-shot semantic segmentation methods introduce class-level textual priors to assist segmentation by typically using a single prompt (e.g., a photo of class). However, these approaches often result in incomplete…

Computer Vision and Pattern Recognition · Computer Science 2025-11-20 Qiang Jiao , Bin Yan , Yi Yang , Mengrui Shi , Qiang Zhang

The recent trend in multiple object tracking (MOT) is heading towards leveraging deep learning to boost the tracking performance. However, it is not trivial to solve the data-association problem in an end-to-end fashion. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2021-03-29 Peng Dai , Renliang Weng , Wongun Choi , Changshui Zhang , Zhangping He , Wei Ding

Object detection in Unmanned Aerial Vehicle (UAV) images has emerged as a focal area of research, which presents two significant challenges: i) objects are typically small and dense within vast images; ii) computational resource constraints…

Computer Vision and Pattern Recognition · Computer Science 2024-12-17 Chen Li , Rui Zhao , Zeyu Wang , Huiying Xu , Xinzhong Zhu

We develop a novel deep contour detection algorithm with a top-down fully convolutional encoder-decoder network. Our proposed method, named TD-CEDN, solves two important issues in this low-level vision problem: (1) learning multi-scale and…

Computer Vision and Pattern Recognition · Computer Science 2017-07-13 Yahui Liu , Jian Yao , Li Li , Xiaohu Lu , Jing Han

In this paper, we propose multi-stage and deformable deep convolutional neural networks for object detection. This new deep learning object detection diagram has innovations in multiple aspects. In the proposed new deep architecture, a new…

Computer Vision and Pattern Recognition · Computer Science 2014-09-12 Wanli Ouyang , Ping Luo , Xingyu Zeng , Shi Qiu , Yonglong Tian , Hongsheng Li , Shuo Yang , Zhe Wang , Yuanjun Xiong , Chen Qian , Zhenyao Zhu , Ruohui Wang , Chen-Change Loy , Xiaogang Wang , Xiaoou Tang

Recent CNN based object detectors, no matter one-stage methods like YOLO, SSD, and RetinaNe or two-stage detectors like Faster R-CNN, R-FCN and FPN are usually trying to directly finetune from ImageNet pre-trained models designed for image…

Computer Vision and Pattern Recognition · Computer Science 2018-04-20 Zeming Li , Chao Peng , Gang Yu , Xiangyu Zhang , Yangdong Deng , Jian Sun