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Convolutional Siamese neural networks have been recently used to track objects using deep features. Siamese architecture can achieve real time speed, however it is still difficult to find a Siamese architecture that maintains the…

Computer Vision and Pattern Recognition · Computer Science 2018-09-11 Mohamed H. Abdelpakey , Mohamed S. Shehata , Mostafa M. Mohamed

Self-supervised learning (SSL) has delivered superior performance on a variety of downstream vision tasks. Two main-stream SSL frameworks have been proposed, i.e., Instance Discrimination (ID) and Masked Image Modeling (MIM). ID pulls…

Computer Vision and Pattern Recognition · Computer Science 2022-11-17 Chenxin Tao , Xizhou Zhu , Weijie Su , Gao Huang , Bin Li , Jie Zhou , Yu Qiao , Xiaogang Wang , Jifeng Dai

Recent developments in self-supervised learning (SSL) have made it possible to learn data representations without the need for annotations. Inspired by the non-contrastive SSL approach (SimSiam), we introduce a novel framework SIMSAM to…

Computer Vision and Pattern Recognition · Computer Science 2024-06-13 Chanda Grover Kamra , Indra Deep Mastan , Nitin Kumar , Debayan Gupta

We present a minimalistic but effective neural network that computes dense facial correspondences in highly unconstrained RGB images. Our network learns a per-pixel flow and a matchability mask between 2D input photographs of a person and…

Computer Vision and Pattern Recognition · Computer Science 2017-09-05 Ronald Yu , Shunsuke Saito , Haoxiang Li , Duygu Ceylan , Hao Li

Visual tracking is one of the most challenging computer vision problems. In order to achieve high performance visual tracking in various negative scenarios, a novel cascaded Siamese network is proposed and developed based on two different…

Computer Vision and Pattern Recognition · Computer Science 2019-05-09 Peng Gao , Yipeng Ma , Ruyue Yuan , Liyi Xiao , Fei Wang

Siamese networks have become a common structure in various recent models for unsupervised visual representation learning. These models maximize the similarity between two augmentations of one image, subject to certain conditions for…

Computer Vision and Pattern Recognition · Computer Science 2020-11-23 Xinlei Chen , Kaiming He

We propose Masked Siamese Networks (MSN), a self-supervised learning framework for learning image representations. Our approach matches the representation of an image view containing randomly masked patches to the representation of the…

Achieving state-of-the-art results in face verification systems typically hinges on the availability of labeled face training data, a resource that often proves challenging to acquire in substantial quantities. In this research endeavor, we…

Computer Vision and Pattern Recognition · Computer Science 2024-02-12 Enoch Solomon , Abraham Woubie , Eyael Solomon Emiru

We present three multi-scale similarity learning architectures, or DeepSim networks. These models learn pixel-level matching with a contrastive loss and are agnostic to the geometry of the considered scene. We establish a middle ground…

Computer Vision and Pattern Recognition · Computer Science 2023-04-18 Mohamed Ali Chebbi , Ewelina Rupnik , Marc Pierrot-Deseilligny , Paul Lopes

Recently, contrastive self-supervised learning, where the proximity of representations is determined based on the identities of samples, has made remarkable progress in unsupervised representation learning. SimSiam is a well-known example…

Computer Vision and Pattern Recognition · Computer Science 2023-05-24 Kyoungmin Han , Minsik Lee

Self-supervised learning has shown superior performances over supervised methods on various vision benchmarks. The siamese network, which encourages embeddings to be invariant to distortions, is one of the most successful self-supervised…

Computer Vision and Pattern Recognition · Computer Science 2022-06-16 Li Jing , Jiachen Zhu , Yann LeCun

We address the problem of finding reliable dense correspondences between a pair of images. This is a challenging task due to strong appearance differences between the corresponding scene elements and ambiguities generated by repetitive…

Computer Vision and Pattern Recognition · Computer Science 2018-11-30 Ignacio Rocco , Mircea Cimpoi , Relja Arandjelović , Akihiko Torii , Tomas Pajdla , Josef Sivic

By considering the spatial correspondence, dense self-supervised representation learning has achieved superior performance on various dense prediction tasks. However, the pixel-level correspondence tends to be noisy because of many similar…

Computer Vision and Pattern Recognition · Computer Science 2022-03-16 Zhaoqing Wang , Qiang Li , Guoxin Zhang , Pengfei Wan , Wen Zheng , Nannan Wang , Mingming Gong , Tongliang Liu

This paper proposes a new deep convolutional neural network (DCNN) architecture that learns pixel embeddings, such that pairwise distances between the embeddings can be used to infer whether or not the pixels lie on the same region. That…

Computer Vision and Pattern Recognition · Computer Science 2016-01-11 Adam W. Harley , Konstantinos G. Derpanis , Iasonas Kokkinos

We present Region Similarity Representation Learning (ReSim), a new approach to self-supervised representation learning for localization-based tasks such as object detection and segmentation. While existing work has largely focused on…

Computer Vision and Pattern Recognition · Computer Science 2021-08-20 Tete Xiao , Colorado J Reed , Xiaolong Wang , Kurt Keutzer , Trevor Darrell

Recent self-supervised models have demonstrated equal or better performance than supervised methods, opening for AI systems to learn visual representations from practically unlimited data. However, these methods are typically…

Computer Vision and Pattern Recognition · Computer Science 2022-10-10 Robin Karlsson , Tomoki Hayashi , Keisuke Fujii , Alexander Carballo , Kento Ohtani , Kazuya Takeda

Despite the eye-catching breakthroughs achieved by deep visual networks in detecting region-level surface defects, the challenge of high-quality pixel-wise defect detection remains due to diverse defect appearances and data scarcity. To…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Biyuan Liu , Huaixin Chen , Huiyao Zhan , Sijie Luo , Zhou Huang

In this paper, we propose a new text recognition model based on measuring the visual similarity of text and predicting the content of unlabeled texts. First a Siamese convolutional network is trained with deep supervision on a labeled…

Computer Vision and Pattern Recognition · Computer Science 2016-07-06 Ehsan Hosseini-Asl , Angshuman Guha

We propose a fast, accurate matching method for estimating dense pixel correspondences across scenes. It is a challenging problem to estimate dense pixel correspondences between images depicting different scenes or instances of the same…

Computer Vision and Pattern Recognition · Computer Science 2015-04-24 Chao Zhang , Chunhua Shen , Tingzhi Shen

Reconstructing MR images using deep neural networks from undersampled k-space data without using fully sampled training references offers significant value in practice, which is a self-supervised regression problem calling for effective…

Image and Video Processing · Electrical Eng. & Systems 2025-01-22 Liyan Sun , Shaocong Yu , Chi Zhang , Xinghao Ding
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