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Micro-gesture recognition (MGR) is challenging due to subtle inter-class variations. Existing methods rely on category-level supervision, which is insufficient for capturing subtle and localized motion differences. Thus, this paper proposes…

Computer Vision and Pattern Recognition · Computer Science 2026-03-18 Jinsheng Wei , Zhaodi Xu , Guanming Lu , Haoyu Chen , Jingjie Yan

A key challenge in fine-grained recognition is how to find and represent discriminative local regions. Recent attention models are capable of learning discriminative region localizers only from category labels with reinforcement learning.…

Computer Vision and Pattern Recognition · Computer Science 2016-05-24 Xiao Liu , Jiang Wang , Shilei Wen , Errui Ding , Yuanqing Lin

Pedestrian detection is an initial step to perform outdoor scene analysis, which plays an essential role in many real-world applications. Although having enjoyed the merits of deep learning frameworks from the generic object detectors,…

Computer Vision and Pattern Recognition · Computer Science 2019-12-24 Jialiang Zhang , Lixiang Lin , Yang Li , Yun-chen Chen , Jianke Zhu , Yao Hu , Steven C. H. Hoi

Pedestrian attribute recognition in surveillance scenarios is still a challenging task due to the inaccurate localization of specific attributes. In this paper, we propose a novel view-attribute localization method based on attention…

Computer Vision and Pattern Recognition · Computer Science 2023-11-07 Weichen Chen , Xinyi Yu , Linlin Ou

Fine-grained visual categorization is a classification task for distinguishing categories with high intra-class and small inter-class variance. While global approaches aim at using the whole image for performing the classification,…

Computer Vision and Pattern Recognition · Computer Science 2020-07-07 Dimitri Korsch , Paul Bodesheim , Joachim Denzler

Large-scale visual place recognition (VPR) is inherently challenging because not all visual cues in the image are beneficial to the task. In order to highlight the task-relevant visual cues in the feature embedding, the existing attention…

Computer Vision and Pattern Recognition · Computer Science 2021-08-20 Guohao Peng , Yufeng Yue , Jun Zhang , Zhenyu Wu , Xiaoyu Tang , Danwei Wang

The purpose of few-shot recognition is to recognize novel categories with a limited number of labeled examples in each class. To encourage learning from a supplementary view, recent approaches have introduced auxiliary semantic modalities…

Computer Vision and Pattern Recognition · Computer Science 2021-02-04 Siteng Huang , Min Zhang , Yachen Kang , Donglin Wang

The objective of the panoramic activity recognition task is to identify behaviors at various granularities within crowded and complex environments, encompassing individual actions, social group activities, and global activities. Existing…

Computer Vision and Pattern Recognition · Computer Science 2024-08-02 Wenqing Gan , Yan Sun , Feiran Liu , Xiangfeng Luo

Multimodal large language models (MLLMs) demonstrate strong performance across visual tasks, but their efficiency is hindered by significant computational and memory demands from processing long contexts in multimodal inputs. To address…

Computer Vision and Pattern Recognition · Computer Science 2024-12-03 Yingen Liu , Fan Wu , Ruihui Li , Zhuo Tang , Kenli Li

Large-scale Vision-Language Pre-training (VLP) has demonstrated remarkable success in the general domain. However, in the fashion domain, items are distinguished by fine-grained attributes like texture and material, which are crucial for…

Computer Vision and Pattern Recognition · Computer Science 2025-01-14 Jiale Huang , Dehong Gao , Jinxia Zhang , Zechao Zhan , Yang Hu , Xin Wang

3D object detection plays a crucial role in environmental perception for autonomous vehicles, which is the prerequisite of decision and control. This paper analyses partition-based methods' inherent drawbacks. In the partition operation, a…

Computer Vision and Pattern Recognition · Computer Science 2021-03-16 Li Wang , Chenfei Wang , Xinyu Zhang , Tianwei Lan , Jun Li

Pedestrian Attribute Recognition (PAR) plays a crucial role in various vision tasks such as person retrieval and identification. Most existing attribute-based retrieval methods operate under the closed-set assumption that all attribute…

Computer Vision and Pattern Recognition · Computer Science 2025-08-06 Minjeong Park , Hongbeen Park , Sangwon Lee , Yoonha Jang , Jinkyu Kim

Text-based person search aims to retrieve images of a certain pedestrian by a textual description. The key challenge of this task is to eliminate the inter-modality gap and achieve the feature alignment across modalities. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2021-12-14 Shiping Li , Min Cao , Min Zhang

We aim to provide a computationally cheap yet effective approach for fine-grained image classification (FGIC) in this letter. Unlike previous methods that rely on complex part localization modules, our approach learns fine-grained features…

Computer Vision and Pattern Recognition · Computer Science 2023-07-19 Wei Luo , Hengmin Zhang , Jun Li , Xiu-Shen Wei

Visual localization is a fundamental task for various applications including autonomous driving and robotics. Prior methods focus on extracting large amounts of often redundant locally reliable features, resulting in limited efficiency and…

Computer Vision and Pattern Recognition · Computer Science 2023-06-13 Fei Xue , Ignas Budvytis , Roberto Cipolla

Person Search is designed to jointly solve the problems of Person Detection and Person Re-identification (Re-ID), in which the target person will be located in a large number of uncut images. Over the past few years, Person Search based on…

Computer Vision and Pattern Recognition · Computer Science 2021-04-21 Lequan Chen , Wei Xie , Zhigang Tu , Jinglei Guo , Yaping Tao , Xinming Wang

Recent advancements in prompt tuning have successfully adapted large-scale models like Contrastive Language-Image Pre-trained (CLIP) for downstream tasks such as scene text detection. Typically, text prompt complements the text encoder's…

Computer Vision and Pattern Recognition · Computer Science 2024-11-21 Xingtao Lin , Heqian Qiu , Lanxiao Wang , Ruihang Wang , Linfeng Xu , Hongliang Li

Semantic segmentation is one of the core tasks in the field of computer vision, and its goal is to accurately classify each pixel in an image. The traditional Unet model achieves efficient feature extraction and fusion through an…

Computer Vision and Pattern Recognition · Computer Science 2025-02-07 Xuan Li , Quanchao Lu , Yankaiqi Li , Muqing Li , Yijiashun Qi

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

How to learn a discriminative fine-grained representation is a key point in many computer vision applications, such as person re-identification, fine-grained classification, fine-grained image retrieval, etc. Most of the previous methods…

Computer Vision and Pattern Recognition · Computer Science 2019-12-23 Kai Han , Jianyuan Guo , Chao Zhang , Mingjian Zhu