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Many gait recognition methods first partition the human gait into N-parts and then combine them to establish part-based feature representations. Their gait recognition performance is often affected by partitioning strategies, which are…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Ming Wang , Beibei Lin , Xianda Guo , Lincheng Li , Zheng Zhu , Jiande Sun , Shunli Zhang , Xin Yu

Gait is a unique biometric feature that can be recognized at a distance; thus, it has broad applications in crime prevention, forensic identification, and social security. To portray a gait, existing gait recognition methods utilize either…

Computer Vision and Pattern Recognition · Computer Science 2021-02-08 Hanqing Chao , Kun Wang , Yiwei He , Junping Zhang , Jianfeng Feng

With the recent surge in the use of touchscreen devices, free-hand sketching has emerged as a promising modality for human-computer interaction. While previous research has focused on tasks such as recognition, retrieval, and generation of…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Guangming Zhu , Siyuan Wang , Qing Cheng , Kelong Wu , Hao Li , Liang Zhang

Gait, the walking pattern of individuals, is one of the most important biometrics modalities. Most of the existing gait recognition methods take silhouettes or articulated body models as the gait features. These methods suffer from degraded…

Computer Vision and Pattern Recognition · Computer Science 2019-04-11 Ziyuan Zhang , Luan Tran , Xi Yin , Yousef Atoum , Xiaoming Liu , Jian Wan , Nanxin Wang

Gait recognition, a long-distance biometric technology, has aroused intense interest recently. Currently, the two dominant gait recognition works are appearance-based and model-based, which extract features from silhouettes and skeletons,…

Computer Vision and Pattern Recognition · Computer Science 2023-03-27 Likai Wang , Ruize Han , Wei Feng

Video-based gait recognition has achieved impressive results in constrained scenarios. However, visual cameras neglect human 3D structure information, which limits the feasibility of gait recognition in the 3D wild world. Instead of…

Computer Vision and Pattern Recognition · Computer Science 2023-03-31 Chuanfu Shen , Chao Fan , Wei Wu , Rui Wang , George Q. Huang , Shiqi Yu

Previous gait recognition methods primarily trained on labeled datasets, which require painful labeling effort. However, using a pre-trained model on a new dataset without fine-tuning can lead to significant performance degradation. So to…

Computer Vision and Pattern Recognition · Computer Science 2024-12-10 Xuqian Ren , Shaopeng Yang , Saihui Hou , Chunshui Cao , Xu Liu , Yongzhen Huang

Hand-drawn sketches are a natural and efficient medium for capturing and conveying ideas. Despite significant advancements in controllable natural image generation, translating freehand sketches into structured, machine-readable diagrams…

Artificial Intelligence · Computer Science 2025-08-05 Cheng Tan , Qi Chen , Jingxuan Wei , Gaowei Wu , Zhangyang Gao , Siyuan Li , Bihui Yu , Ruifeng Guo , Stan Z. Li

Scene graph generation (SGG) aims to capture a wide variety of interactions between pairs of objects, which is essential for full scene understanding. Existing SGG methods trained on the entire set of relations fail to acquire complex…

Computer Vision and Pattern Recognition · Computer Science 2022-04-05 Arushi Goel , Basura Fernando , Frank Keller , Hakan Bilen

A sketch is a distilled form of visual abstraction that conveys core concepts through simplified yet purposeful strokes while omitting extraneous detail. Despite its expressive power, quantifying the efficiency of semantic abstraction in…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Jiho Park , Sieun Choi , Jaeyoon Seo , Minho Sohn , Yeana Kim , Jihie Kim

Effectively and efficiently retrieving images from remote sensing databases is a critical challenge in the realm of remote sensing big data. Utilizing hand-drawn sketches as retrieval inputs offers intuitive and user-friendly advantages,…

Computer Vision and Pattern Recognition · Computer Science 2024-05-20 Bo Yang , Chen Wang , Xiaoshuang Ma , Beiping Song , Zhuang Liu , Fangde Sun

Current gait recognition research predominantly focuses on extracting appearance features effectively, but the performance is severely compromised by the vulnerability of silhouettes under unconstrained scenes. Consequently, numerous…

Computer Vision and Pattern Recognition · Computer Science 2024-08-23 Fanxu Min , Qing Cai , Shaoxiang Guo , Yang Yu , Hao Fan , Junyu Dong

Boundary and edge cues are highly beneficial in improving a wide variety of vision tasks such as semantic segmentation, object recognition, stereo, and object proposal generation. Recently, the problem of edge detection has been revisited…

Computer Vision and Pattern Recognition · Computer Science 2017-05-30 Zhiding Yu , Chen Feng , Ming-Yu Liu , Srikumar Ramalingam

As lovely as bunnies are, your sketched version would probably not do them justice (Fig.~\ref{fig:intro}). This paper recognises this very problem and studies sketch quality assessment for the first time -- letting you find these badly…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Lan Yang , Kaiyue Pang , Honggang Zhang , Yi-Zhe Song

Gait recognition is emerging as a promising and innovative area within the field of computer vision, widely applied to remote person identification. Although existing gait recognition methods have achieved substantial success in controlled…

Computer Vision and Pattern Recognition · Computer Science 2025-08-19 Zhengxian Wu , Chuanrui Zhang , Hangrui Xu , Peng Jiao , Haoqian Wang

We present a simple and efficient method based on deep learning to automatically decompose sketched objects into semantically valid parts. We train a deep neural network to transfer existing segmentations and labelings from 3D models to…

Graphics · Computer Science 2018-08-01 Lei Li , Hongbo Fu , Chiew-Lan Tai

Scientific diagrams are essential for communicating complex methodologies in academic papers. A natural way for researchers to specify such diagrams is through rough sketches, where text labels, connectors, and spatial arrangements express…

Artificial Intelligence · Computer Science 2026-05-28 Xinjiang Yu , Junyi Han , Zhuofan Chen , Chi Zhang , Xiangyu Fu , Jingyuan Tan , Zirui You , Yixiang Jian , Yu-Ping Wang , Chengliang Chai

Multi-label image recognition is a fundamental yet practical task because real-world images inherently possess multiple semantic labels. However, it is difficult to collect large-scale multi-label annotations due to the complexity of both…

Computer Vision and Pattern Recognition · Computer Science 2022-03-07 Tianshui Chen , Tao Pu , Hefeng Wu , Yuan Xie , Liang Lin

The goal of the Semantic Scene Completion (SSC) task is to simultaneously predict a completed 3D voxel representation of volumetric occupancy and semantic labels of objects in the scene from a single-view observation. Since the…

Computer Vision and Pattern Recognition · Computer Science 2020-04-01 Xiaokang Chen , Kwan-Yee Lin , Chen Qian , Gang Zeng , Hongsheng Li

We observe that Gaussians exhibit distinct roles and characteristics analogous to traditional artistic techniques -- like how artists first sketch outlines before filling in broader areas with color, some Gaussians capture high-frequency…

Computer Vision and Pattern Recognition · Computer Science 2026-01-13 Yuang Shi , Géraldine Morin , Simone Gasparini , Wei Tsang Ooi