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The variation of pose, illumination and expression makes face recognition still a challenging problem. As a pre-processing in holistic approaches, faces are usually aligned by eyes. The proposed method tries to perform a pixel alignment…

计算机视觉与模式识别 · 计算机科学 2018-08-01 Hoda Mohammadzade , Amirhossein Sayyafan , Benyamin Ghojogh

Real-time, accurate, and robust pupil detection is an essential prerequisite for pervasive video-based eye-tracking. However, automated pupil detection in real-world scenarios has proven to be an intricate challenge due to fast illumination…

计算机视觉与模式识别 · 计算机科学 2016-01-20 Wolfgang Fuhl , Thiago Santini , Gjergji Kasneci , Enkelejda Kasneci

Instance-level image retrieval aims to find images containing the same object as a given query, despite variations in size, position, or appearance. To address this challenging task, we propose Patchify, a simple yet effective patch-wise…

计算机视觉与模式识别 · 计算机科学 2025-12-16 Wonseok Choi , Sohwi Lim , Nam Hyeon-Woo , Moon Ye-Bin , Dong-Ju Jeong , Jinyoung Hwang , Tae-Hyun Oh

Deep convolutional neural networks have recently proven extremely competitive in challenging image recognition tasks. This paper proposes the epitomic convolution as a new building block for deep neural networks. An epitomic convolution…

计算机视觉与模式识别 · 计算机科学 2014-06-12 George Papandreou

Correspondence matching plays a crucial role in numerous robotics applications. In comparison to conventional hand-crafted methods and recent data-driven approaches, there is significant interest in plug-and-play algorithms that make full…

计算机视觉与模式识别 · 计算机科学 2024-03-11 Yu Han , Ziwei Long , Yanting Zhang , Jin Wu , Zhijun Fang , Rui Fan

We present a detail-driven deep neural network for point set upsampling. A high-resolution point set is essential for point-based rendering and surface reconstruction. Inspired by the recent success of neural image super-resolution…

计算机视觉与模式识别 · 计算机科学 2019-03-22 Wang Yifan , Shihao Wu , Hui Huang , Daniel Cohen-Or , Olga Sorkine-Hornung

This paper addresses the problem of handling spatial misalignments due to camera-view changes or human-pose variations in person re-identification. We first introduce a boosting-based approach to learn a correspondence structure which…

计算机视觉与模式识别 · 计算机科学 2023-07-19 Weiyao Lin , Yang Shen , Junchi Yan , Mingliang Xu , Jianxin Wu , Jingdong Wang , Ke Lu

Point cloud upsampling is to densify a sparse point set acquired from 3D sensors, providing a denser representation for the underlying surface. Existing methods divide the input points into small patches and upsample each patch separately,…

计算机视觉与模式识别 · 计算机科学 2022-07-13 Chen Long , Wenxiao Zhang , Ruihui Li , Hao Wang , Zhen Dong , Bisheng Yang

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…

计算机视觉与模式识别 · 计算机科学 2015-04-24 Chao Zhang , Chunhua Shen , Tingzhi Shen

Accurate and robust correspondence matching is of utmost importance for various 3D computer vision tasks. However, traditional explicit programming-based methods often struggle to handle challenging scenarios, and deep learning-based…

计算机视觉与模式识别 · 计算机科学 2023-09-01 Chenbo Zhou , Shuai Su , Qijun Chen , Rui Fan

We introduce a comprehensive benchmark for local features and robust estimation algorithms, focusing on the downstream task -- the accuracy of the reconstructed camera pose -- as our primary metric. Our pipeline's modular structure allows…

计算机视觉与模式识别 · 计算机科学 2021-02-12 Yuhe Jin , Dmytro Mishkin , Anastasiia Mishchuk , Jiri Matas , Pascal Fua , Kwang Moo Yi , Eduard Trulls

3D pose transfer is one of the most challenging 3D generation tasks. It aims to transfer the pose of a source mesh to a target mesh and keep the identity (e.g., body shape) of the target mesh. Some previous works require key point…

计算机视觉与模式识别 · 计算机科学 2021-12-28 Chaoyue Song , Jiacheng Wei , Ruibo Li , Fayao Liu , Guosheng Lin

Estimating a depth map from multiple views of a scene is a fundamental task in computer vision. As soon as more than two viewpoints are available, one faces the very basic question how to measure similarity across >2 image patches.…

计算机视觉与模式识别 · 计算机科学 2017-08-22 Wilfried Hartmann , Silvano Galliani , Michal Havlena , Luc Van Gool , Konrad Schindler

Rendering realistic images from 3D reconstruction is an essential task of many Computer Vision and Robotics pipelines, notably for mixed-reality applications as well as training autonomous agents in simulated environments. However, the…

计算机视觉与模式识别 · 计算机科学 2024-07-19 Lukas Bösiger , Mihai Dusmanu , Marc Pollefeys , Zuria Bauer

Modeling the distribution of natural images is a landmark problem in unsupervised learning. This task requires an image model that is at once expressive, tractable and scalable. We present a deep neural network that sequentially predicts…

计算机视觉与模式识别 · 计算机科学 2016-08-22 Aaron van den Oord , Nal Kalchbrenner , Koray Kavukcuoglu

This work investigates how the traditional image classification pipelines can be extended into a deep architecture, inspired by recent successes of deep neural networks. We propose a deep boosting framework based on layer-by-layer joint…

计算机视觉与模式识别 · 计算机科学 2015-08-12 Zhanglin Peng , Ya Li , Zhaoquan Cai , Liang Lin

Localizing behaviors of neural networks to a subset of the network's components or a subset of interactions between components is a natural first step towards analyzing network mechanisms and possible failure modes. Existing work is often…

机器学习 · 计算机科学 2023-05-17 Nicholas Goldowsky-Dill , Chris MacLeod , Lucas Sato , Aryaman Arora

We address a core problem of computer vision: Detection and description of 2D feature points for image matching. For a long time, hand-crafted designs, like the seminal SIFT algorithm, were unsurpassed in accuracy and efficiency. Recently,…

计算机视觉与模式识别 · 计算机科学 2020-03-23 Aritra Bhowmik , Stefan Gumhold , Carsten Rother , Eric Brachmann

Correspondence selection aiming at seeking correct feature correspondences from raw feature matches is pivotal for a number of feature-matching-based tasks. Various 2D (image) correspondence selection algorithms have been presented with…

计算机视觉与模式识别 · 计算机科学 2019-05-01 Chen Zhao , Jiaqi Yang , Yang Xiao , Zhiguo Cao

Deep neural networks are successfully used in various applications, but show their vulnerability to adversarial examples. With the development of adversarial patches, the feasibility of attacks in physical scenes increases, and the defenses…

计算机视觉与模式识别 · 计算机科学 2023-07-27 Junwen Chen , Xingxing Wei