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Establishing reliable image correspondences is essential for many robotic vision problems. However, existing methods often struggle in challenging scenarios with large viewpoint changes or textureless regions, where incorrect cor-…

计算机视觉与模式识别 · 计算机科学 2026-03-06 Sicheng Li , Zaiwang Gu , Jie Zhang , Qing Guo , Xudong Jiang , Jun Cheng

In this paper, we propose an easily trained yet powerful representation learning approach with performance highly competitive to deep neural networks in a digital pathology image segmentation task. The method, called sparse coding driven…

计算机视觉与模式识别 · 计算机科学 2020-08-14 Jie Song , Liang Xiao , Mohsen Molaei , Zhichao Lian

We propose a three-stage 6 DoF object detection method called DPODv2 (Dense Pose Object Detector) that relies on dense correspondences. We combine a 2D object detector with a dense correspondence estimation network and a multi-view pose…

计算机视觉与模式识别 · 计算机科学 2022-07-07 Ivan Shugurov , Sergey Zakharov , Slobodan Ilic

Convolutional neural nets (convnets) trained from massive labeled datasets have substantially improved the state-of-the-art in image classification and object detection. However, visual understanding requires establishing correspondence on…

计算机视觉与模式识别 · 计算机科学 2015-03-10 Jonathan Long , Ning Zhang , Trevor Darrell

Sentence matching is widely used in various natural language tasks such as natural language inference, paraphrase identification, and question answering. For these tasks, understanding logical and semantic relationship between two sentences…

计算与语言 · 计算机科学 2018-11-05 Seonhoon Kim , Inho Kang , Nojun Kwak

We tackle the task of semantic alignment where the goal is to compute dense semantic correspondence aligning two images depicting objects of the same category. This is a challenging task due to large intra-class variation, changes in…

计算机视觉与模式识别 · 计算机科学 2018-04-25 Ignacio Rocco , Relja Arandjelović , Josef Sivic

Digital Surface Model generation from satellite imagery is a core task in Earth observation and is commonly addressed using classical stereoscopic matching algorithms in satellite pipelines as in the Satellite Stereo Pipeline (S2P). While…

计算机视觉与模式识别 · 计算机科学 2026-03-24 Elías Masquil , Thibaud Ehret , Pablo Musé , Gabriele Facciolo

Deep learning has made significant progress in protein structure prediction, advancing the development of computational biology. However, despite the high accuracy achieved in predicting single-chain structures, a significant number of…

生物大分子 · 定量生物学 2024-03-08 Zhaoqun Li , Jingcheng Yu , Qiwei Ye

We propose SFMNet, a novel 3D sparse detector that combines the efficiency of sparse convolutions with the ability to model long-range dependencies. While traditional sparse convolution techniques efficiently capture local structures, they…

计算机视觉与模式识别 · 计算机科学 2025-11-18 Oren Shrout , Ayellet Tal

Image matching, which establishes correspondences between two-view images to recover 3D structure and camera geometry, serves as a cornerstone in computer vision and underpins a wide range of applications, including visual localization, 3D…

计算机视觉与模式识别 · 计算机科学 2025-06-06 Shihua Zhang , Zizhuo Li , Kaining Zhang , Yifan Lu , Yuxin Deng , Linfeng Tang , Xingyu Jiang , Jiayi Ma

Sparse representations has shown to be a very powerful model for real world signals, and has enabled the development of applications with notable performance. Combined with the ability to learn a dictionary from signal examples,…

计算机视觉与模式识别 · 计算机科学 2016-05-13 Jeremias Sulam , Boaz Ophir , Michael Zibulevsky , Michael Elad

Dense stereo matching with deep neural networks is of great interest to the research community. Existing stereo matching networks typically use slow and computationally expensive 3D convolutions to improve the performance, which is not…

计算机视觉与模式识别 · 计算机科学 2021-03-09 Zhengyu Huang , Theodore B. Norris , Panqu Wang

Deep neural networks (DNNs) have achieved great success in the area of computer vision. The disparity estimation problem tends to be addressed by DNNs which achieve much better prediction accuracy in stereo matching than traditional…

计算机视觉与模式识别 · 计算机科学 2020-03-25 Qiang Wang , Shaohuai Shi , Shizhen Zheng , Kaiyong Zhao , Xiaowen Chu

Disparity prediction from stereo images is essential to computer vision applications including autonomous driving, 3D model reconstruction, and object detection. To predict accurate disparity map, we propose a novel deep learning…

计算机视觉与模式识别 · 计算机科学 2019-05-01 Zhibo Rao , Mingyi He , Yuchao Dai , Zhidong Zhu , Bo Li , Renjie He

While the performance of crowd counting via deep learning has been improved dramatically in the recent years, it remains an ingrained problem due to cluttered backgrounds and varying scales of people within an image. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2020-06-18 Yunqi Miao , Zijia Lin , Guiguang Ding , Jungong Han

Semantic segmentation is pixel-wise classification which retains critical spatial information. The "feature map reuse" has been commonly adopted in CNN based approaches to take advantage of feature maps in the early layers for the later…

计算机视觉与模式识别 · 计算机科学 2019-05-23 Mingmin Zhen , Jinglu Wang , Lei Zhou , Tian Fang , Long Quan

In this paper, we aim to address the challenging task of semantic matching where matching ambiguity is difficult to resolve even with learned deep features. We tackle this problem by taking into account the confidence in predictions and…

计算机视觉与模式识别 · 计算机科学 2020-08-26 Shuaiyi Huang , Qiuyue Wang , Xuming He

Despite the success in 6D pose estimation in bin-picking scenarios, existing methods still struggle to produce accurate prediction results for symmetry objects and real world scenarios. The primary bottlenecks include 1) the ambiguity…

计算机视觉与模式识别 · 计算机科学 2024-03-15 Ding-Tao Huang , En-Te Lin , Lipeng Chen , Li-Fu Liu , Long Zeng

Enhancing the quality of low-light images plays a very important role in many image processing and multimedia applications. In recent years, a variety of deep learning techniques have been developed to address this challenging task. A…

图像与视频处理 · 电气工程与系统科学 2021-12-13 Long Ma , Risheng Liu , Jiaao Zhang , Xin Fan , Zhongxuan Luo

A good measure of similarity between data points is crucial to many tasks in machine learning. Similarity and metric learning methods learn such measures automatically from data, but they do not scale well respect to the dimensionality of…

机器学习 · 计算机科学 2019-09-10 Kuan Liu , Aurélien Bellet , Fei Sha