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Representation learning approaches typically rely on images of objects captured from a single perspective that are transformed using affine transformations. Additionally, self-supervised learning, a successful paradigm of representation…

计算机视觉与模式识别 · 计算机科学 2022-08-17 Omiros Pantazis , Mathew Salvaris

Existing methods for person re-identification (Re-ID) are mostly based on supervised learning which requires numerous manually labeled samples across all camera views for training. Such a paradigm suffers the scalability issue since in…

计算机视觉与模式识别 · 计算机科学 2019-10-28 Qiaokang Xie , Wengang Zhou , Guo-Jun Qi , Qi Tian , Houqiang Li

Person re-identification (Re-ID) aims to match identities across non-overlapping camera views. Researchers have proposed many supervised Re-ID models which require quantities of cross-view pairwise labelled data. This limits their…

计算机视觉与模式识别 · 计算机科学 2019-02-08 Hong-Xing Yu , Ancong Wu , Wei-Shi Zheng

We propose a weakly-supervised multi-view learning approach to learn category-specific surface mapping without dense annotations. We learn the underlying surface geometry of common categories, such as human faces, cars, and airplanes, given…

计算机视觉与模式识别 · 计算机科学 2021-05-05 Nishant Rai , Aidas Liaudanskas , Srinivas Rao , Rodrigo Ortiz Cayon , Matteo Munaro , Stefan Holzer

Training deep neural networks to estimate the viewpoint of objects requires large labeled training datasets. However, manually labeling viewpoints is notoriously hard, error-prone, and time-consuming. On the other hand, it is relatively…

计算机视觉与模式识别 · 计算机科学 2020-04-07 Siva Karthik Mustikovela , Varun Jampani , Shalini De Mello , Sifei Liu , Umar Iqbal , Carsten Rother , Jan Kautz

Matching objects across partially overlapping camera views is crucial in multi-camera systems and requires a view-invariant feature extraction network. Training such a network with cycle-consistency circumvents the need for labor-intensive…

计算机视觉与模式识别 · 计算机科学 2025-01-13 Fedor Taggenbrock , Gertjan Burghouts , Ronald Poppe

Supervised person re-identification assumes that a person has images captured under multiple cameras. However when cameras are placed in distance, a person rarely appears in more than one camera. This paper thus studies person re-ID under…

计算机视觉与模式识别 · 计算机科学 2023-11-03 Menglin Wang , Xiaojin Gong

Learning with complete or partial supervision is powerful but relies on ever-growing human annotation efforts. As a way to mitigate this serious problem, as well as to serve specific applications, unsupervised learning has emerged as an…

计算机视觉与模式识别 · 计算机科学 2019-04-08 Huy V. Vo , Francis Bach , Minsu Cho , Kai Han , Yann LeCun , Patrick Perez , Jean Ponce

An ongoing major challenge in computer vision is the task of person re-identification, where the goal is to match individuals across different, non-overlapping camera views. While recent success has been achieved via supervised learning…

计算机视觉与模式识别 · 计算机科学 2020-01-15 Devinder Kumar , Parthipan Siva , Paul Marchwica , Alexander Wong

Weakly supervised person search aims to jointly detect and match persons with only bounding box annotations. Existing approaches typically focus on improving the features by exploring relations of persons. However, scale variation problem…

计算机视觉与模式识别 · 计算机科学 2024-01-04 Benzhi Wang , Yang Yang , Jinlin Wu , Guo-jun Qi , Zhen Lei

We witnessed a massive growth in the supervised learning paradigm in the past decade. Supervised learning requires a large amount of labeled data to reach state-of-the-art performance. However, labeling the samples requires a lot of human…

计算机视觉与模式识别 · 计算机科学 2021-11-04 Mrinal Anand , Aditya Garg

Matching individuals across non-overlapping camera networks, known as person re-identification, is a fundamentally challenging problem due to the large visual appearance changes caused by variations of viewpoints, lighting, and occlusion.…

计算机视觉与模式识别 · 计算机科学 2016-05-25 Sakrapee Paisitkriangkrai , Lin Wu , Chunhua Shen , Anton van den Hengel

Many unsupervised approaches have been proposed recently for the video-based re-identification problem since annotations of samples across cameras are time-consuming. However, higher-order relationships across the entire camera network are…

计算机视觉与模式识别 · 计算机科学 2020-12-15 Xueping Wang , Rameswar Panda , Min Liu , Yaonan Wang , Amit K Roy-Chowdhury

Self-supervised detection and segmentation of foreground objects aims for accuracy without annotated training data. However, existing approaches predominantly rely on restrictive assumptions on appearance and motion. For scenes with dynamic…

计算机视觉与模式识别 · 计算机科学 2021-08-20 Isinsu Katircioglu , Helge Rhodin , Jörg Spörri , Mathieu Salzmann , Pascal Fua

Recent deep learning-based multi-view people detection (MVD) methods have shown promising results on existing datasets. However, current methods are mainly trained and evaluated on small, single scenes with a limited number of multi-view…

计算机视觉与模式识别 · 计算机科学 2024-05-31 Qi Zhang , Yunfei Gong , Daijie Chen , Antoni B. Chan , Hui Huang

Self-supervised multi-object trackers have tremendous potential as they enable learning from raw domain-specific data. However, their re-identification accuracy still falls short compared to their supervised counterparts. We hypothesize…

计算机视觉与模式识别 · 计算机科学 2023-09-22 Christopher Lang , Alexander Braun , Lars Schillingmann , Abhinav Valada

Unsupervised meta-learning aims to learn feature representations from unsupervised datasets that can transfer to downstream tasks with limited labeled data. In this paper, we propose a novel approach to unsupervised meta-learning that…

机器学习 · 计算机科学 2025-02-11 Anna Vettoruzzo , Lorenzo Braccaioli , Joaquin Vanschoren , Marlena Nowaczyk

Most person re-identification methods, being supervised techniques, suffer from the burden of massive annotation requirement. Unsupervised methods overcome this need for labeled data, but perform poorly compared to the supervised…

计算机视觉与模式识别 · 计算机科学 2023-04-06 Xueping Wang , Sujoy Paul , Dripta S. Raychaudhuri , Min Liu , Yaonan Wang , Amit K. Roy-Chowdhury

Visual place recognition is a key to unlocking spatial navigation for animals, humans and robots. While state-of-the-art approaches are trained in a supervised manner and therefore hardly capture the information needed for generalizing to…

计算机视觉与模式识别 · 计算机科学 2023-12-25 Mohamed Adel Musallam , Vincent Gaudillière , Djamila Aouada

Visual Place Recognition (VPR) enables robust localization through image retrieval based on learned descriptors. However, drastic appearance variations of images at the same place caused by viewpoint changes can lead to inconsistent…

计算机视觉与模式识别 · 计算机科学 2025-11-11 Qiwen Gu , Xufei Wang , Junqiao Zhao , Siyue Tao , Tiantian Feng , Ziqiao Wang , Guang Chen