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Typical person re-identification (ReID) methods usually describe each pedestrian with a single feature vector and match them in a task-specific metric space. However, the methods based on a single feature vector are not sufficient enough to…

计算机视觉与模式识别 · 计算机科学 2018-03-28 Jianlou Si , Honggang Zhang , Chun-Guang Li , Jason Kuen , Xiangfei Kong , Alex C. Kot , Gang Wang

This paper aims to learn a compact representation of a video for video face recognition task. We make the following contributions: first, we propose a meta attention-based aggregation scheme which adaptively and fine-grained weighs the…

计算机视觉与模式识别 · 计算机科学 2019-09-13 Zhaoxiang Liu , Huan Hu , Jinqiang Bai , Shaohua Li , Shiguo Lian

For person re-identification (re-id), attention mechanisms have become attractive as they aim at strengthening discriminative features and suppressing irrelevant ones, which matches well the key of re-id, i.e., discriminative feature…

计算机视觉与模式识别 · 计算机科学 2020-03-30 Zhizheng Zhang , Cuiling Lan , Wenjun Zeng , Xin Jin , Zhibo Chen

Recently, the attention-enriched encoder-decoder framework has aroused great interest in image captioning due to its overwhelming progress. Many visual attention models directly leverage meaningful regions to generate image descriptions.…

计算机视觉与模式识别 · 计算机科学 2024-04-10 Mozhgan Pourkeshavarz , Shahabedin Nabavi , Mohsen Ebrahimi Moghaddam , Mehrnoush Shamsfard

Contextual information plays an important role in action recognition. Local operations have difficulty to model the relation between two elements with a long-distance interval. However, directly modeling the contextual information between…

计算机视觉与模式识别 · 计算机科学 2021-04-07 Congqi Cao , Yue Lu , Yifan Zhang , Dongmei Jiang , Yanning Zhang

Video-based person re-identification (ReID) is a challenging problem, where some video tracks of people across non-overlapping cameras are available for matching. Feature aggregation from a video track is a key step for video-based person…

计算机视觉与模式识别 · 计算机科学 2019-04-30 Xingyu Liao , Lingxiao He , Zhouwang Yang , Chi Zhang

This paper presents a novel person re-identification model, named Multi-Head Self-Attention Network (MHSA-Net), to prune unimportant information and capture key local information from person images. MHSA-Net contains two main novel…

计算机视觉与模式识别 · 计算机科学 2022-04-19 Hongchen Tan , Xiuping Liu , Baocai Yin , Xin Li

Cloth-changing person reidentification (ReID) is a newly emerging research topic that aims to retrieve pedestrians whose clothes are changed. Since the human appearance with different clothes exhibits large variations, it is very difficult…

计算机视觉与模式识别 · 计算机科学 2023-11-20 Zan Gao , Hongwei Wei , Weili Guan , Jie Nie , Meng Wang , Shenyong Chen

Lifelong sequential modeling (LSM) is becoming increasingly critical in social media recommendation systems for predicting the click-through rate (CTR) of items presented to users. Central to this process is the attention mechanism, which…

信息检索 · 计算机科学 2025-04-14 Ting Guo , Zhaoyang Yang , Qinsong Zeng , Ming Chen

Person Re-Identification (ReID) is a challenging problem in many video analytics and surveillance applications, where a person's identity must be associated across a distributed non-overlapping network of cameras. Video-based person ReID…

计算机视觉与模式识别 · 计算机科学 2020-10-06 Madhu Kiran , Amran Bhuiyan , Louis-Antoine Blais-Morin , Mehrsan Javan , Ismail Ben Ayed , Eric Granger

Existing part-aware person re-identification methods typically employ two separate steps: namely, body part detection and part-level feature extraction. However, part detection introduces an additional computational cost and is inherently…

计算机视觉与模式识别 · 计算机科学 2021-05-10 Kan Wang , Pengfei Wang , Changxing Ding , Dacheng Tao

Jointly utilizing global and local features to improve model accuracy is becoming a popular approach for the person re-identification (ReID) problem, because previous works using global features alone have very limited capacity at…

计算机视觉与模式识别 · 计算机科学 2020-09-09 Wenpeng Li , Yongli Sun , Jinjun Wang , Han Xu , Xiangru Yang , Long Cui

Emotion recognition can provide crucial information about the user in many applications when building human-computer interaction (HCI) systems. Most of current researches on visual emotion recognition are focusing on exploring facial…

计算机视觉与模式识别 · 计算机科学 2018-05-31 Man-Chin Sun , Shih-Huan Hsu , Min-Chun Yang , Jen-Hsien Chien

Convolutional neural networks (CNNs) and vision transformers (ViTs) have become essential in computer vision for local and global feature extraction. However, aggregating these architectures in existing methods often results in…

计算机视觉与模式识别 · 计算机科学 2024-10-16 Chunlei Meng , Jiacheng Yang , Wei Lin , Bowen Liu , Hongda Zhang , chun ouyang , Zhongxue Gan

Video-based person re-identification (reID) aims to retrieve person videos with the same identity as a query person across multiple cameras. Spatial and temporal distractors in person videos, such as background clutter and partial…

计算机视觉与模式识别 · 计算机科学 2021-08-23 Chanho Eom , Geon Lee , Junghyup Lee , Bumsub Ham

We propose Context-aware Video-text Alignment (CVA), a novel framework to address a significant challenge in video temporal grounding: achieving temporally sensitive video-text alignment that remains robust to irrelevant background context.…

机器学习 · 计算机科学 2026-03-27 Sungho Moon , Seunghun Lee , Jiwan Seo , Sunghoon Im

Recently, channel attention mechanism has demonstrated to offer great potential in improving the performance of deep convolutional neural networks (CNNs). However, most existing methods dedicate to developing more sophisticated attention…

计算机视觉与模式识别 · 计算机科学 2020-04-08 Qilong Wang , Banggu Wu , Pengfei Zhu , Peihua Li , Wangmeng Zuo , Qinghua Hu

Scene recognition is currently one of the top-challenging research fields in computer vision. This may be due to the ambiguity between classes: images of several scene classes may share similar objects, which causes confusion among them.…

计算机视觉与模式识别 · 计算机科学 2020-02-28 Alejandro López-Cifuentes , Marcos Escudero-Viñolo , Jesús Bescós , Álvaro García-Martín

Full attention, which generates an attention value per element of the input feature maps, has been successfully demonstrated to be beneficial in visual tasks. In this work, we propose a fully attentional network, termed {\it channel…

计算机视觉与模式识别 · 计算机科学 2020-10-08 Pengfei Fang , Pan Ji , Jieming Zhou , Lars Petersson , Mehrtash Harandi

Video salient object detection aims to find the most visually distinctive objects in a video. To explore the temporal dependencies, existing methods usually resort to recurrent neural networks or optical flow. However, these approaches…

计算机视觉与模式识别 · 计算机科学 2021-11-04 Yi-Wen Chen , Xiaojie Jin , Xiaohui Shen , Ming-Hsuan Yang