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In the stereo matching task, matching cost aggregation is crucial in both traditional methods and deep neural network models in order to accurately estimate disparities. We propose two novel neural net layers, aimed at capturing local and…

计算机视觉与模式识别 · 计算机科学 2019-04-16 Feihu Zhang , Victor Prisacariu , Ruigang Yang , Philip H. S. Torr

Deep learning has recently demonstrated its excellent performance for multi-view stereo (MVS). However, one major limitation of current learned MVS approaches is the scalability: the memory-consuming cost volume regularization makes the…

计算机视觉与模式识别 · 计算机科学 2019-02-28 Yao Yao , Zixin Luo , Shiwei Li , Tianwei Shen , Tian Fang , Long Quan

Despite the remarkable progress made by learning based stereo matching algorithms, one key challenge remains unsolved. Current state-of-the-art stereo models are mostly based on costly 3D convolutions, the cubic computational complexity and…

计算机视觉与模式识别 · 计算机科学 2020-04-22 Haofei Xu , Juyong Zhang

We propose a system that uses a convolution neural network (CNN) to estimate depth from a stereo pair followed by volumetric fusion of the predicted depth maps to produce a 3D reconstruction of a scene. Our proposed depth refinement…

计算机视觉与模式识别 · 计算机科学 2019-06-04 Rohan Chabra , Julian Straub , Chris Sweeney , Richard Newcombe , Henry Fuchs

Deep neural networks have shown excellent performance for stereo matching. Many efforts focus on the feature extraction and similarity measurement of the matching cost computation step while less attention is paid on cost aggregation which…

计算机视觉与模式识别 · 计算机科学 2018-01-15 Lidong Yu , Yucheng Wang , Yuwei Wu , Yunde Jia

Convolutional neural networks(CNN) have been shown to perform better than the conventional stereo algorithms for stereo estimation. Numerous efforts focus on the pixel-wise matching cost computation, which is the important building block…

计算机视觉与模式识别 · 计算机科学 2018-04-18 Haihua Lu , Hai Xu , Li Zhang , Yong Zhao

Modern neural network-based algorithms are able to produce highly accurate depth estimates from stereo image pairs, nearly matching the reliability of measurements from more expensive depth sensors. However, this accuracy comes with a…

计算机视觉与模式识别 · 计算机科学 2019-03-13 Kyle Yee , Ayan Chakrabarti

Stereo matching estimates the disparity between a rectified image pair, which is of great importance to depth sensing, autonomous driving, and other related tasks. Previous works built cost volumes with cross-correlation or concatenation of…

计算机视觉与模式识别 · 计算机科学 2019-03-12 Xiaoyang Guo , Kai Yang , Wukui Yang , Xiaogang Wang , Hongsheng Li

In deep multi-view stereo networks, cost regularization is crucial to achieve accurate depth estimation. Since 3D cost volume filtering is usually memory-consuming, recurrent 2D cost map regularization has recently become popular and has…

计算机视觉与模式识别 · 计算机科学 2021-10-14 Qingshan Xu , Martin R. Oswald , Wenbing Tao , Marc Pollefeys , Zhaopeng Cui

Recently, iteration-based stereo matching has shown great potential. However, these models optimize the disparity map using RNN variants. The discrete optimization process poses a challenge of information loss, which restricts the level of…

计算机视觉与模式识别 · 计算机科学 2024-04-16 Yuguang Shi

We propose a novel recurrent network-based HDR deghosting method for fusing arbitrary length dynamic sequences. The proposed method uses convolutional and recurrent architectures to generate visually pleasing, ghosting-free HDR images. We…

计算机视觉与模式识别 · 计算机科学 2021-12-28 K. Ram Prabhakar , Susmit Agrawal , R. Venkatesh Babu

Understanding and interpreting a 3d environment is a key challenge for autonomous vehicles. Semantic segmentation of 3d point clouds combines 3d information with semantics and thereby provides a valuable contribution to this task. In many…

计算机视觉与模式识别 · 计算机科学 2021-03-04 Fabian Duerr , Mario Pfaller , Hendrik Weigel , Juergen Beyerer

Real-time performance of stereo matching networks is important for many applications, such as automatic driving, robot navigation and augmented reality (AR). Although significant progress has been made in stereo matching networks in recent…

计算机视觉与模式识别 · 计算机科学 2021-03-30 Bin Xu , Yuhua Xu , Xiaoli Yang , Wei Jia , Yulan Guo

The deep multi-view stereo (MVS) and stereo matching approaches generally construct 3D cost volumes to regularize and regress the output depth or disparity. These methods are limited when high-resolution outputs are needed since the memory…

计算机视觉与模式识别 · 计算机科学 2020-06-08 Xiaodong Gu , Zhiwen Fan , Zuozhuo Dai , Siyu Zhu , Feitong Tan , Ping Tan

We present a monocular object parsing framework for consistent keypoint localization by capturing temporal correlation on sequential data. In this paper, we propose a novel recurrent network based architecture to model long-range…

计算机视觉与模式识别 · 计算机科学 2019-10-03 Ayush Gaud , Y V S Harish , K Madhava Krishna

Recent studies shows that the majority of existing deep steganalysis models have a large amount of redundancy, which leads to a huge waste of storage and computing resources. The existing model compression method cannot flexibly compress…

计算机视觉与模式识别 · 计算机科学 2022-06-14 Shunquan Tan , Qiushi Li , Laiyuan Li , Bin Li , Jiwu Huang

We present a new deep learning-based approach for dense stereo matching. Compared to previous works, our approach does not use deep learning of pixel appearance descriptors, employing very fast classical matching scores instead. At the same…

计算机视觉与模式识别 · 计算机科学 2016-11-18 Andrey Kuzmin , Dmitry Mikushin , Victor Lempitsky

As an important part of intelligent transportation systems, traffic forecasting has attracted tremendous attention from academia and industry. Despite a lot of methods being proposed for traffic forecasting, it is still difficult to model…

机器学习 · 计算机科学 2022-10-07 Le Zhao , Mingcai Chen , Yuntao Du , Haiyang Yang , Chongjun Wang

We describe a simple and yet very scalable implementation of static functions (VFunc) and of static filters (VFilter) based on hypergraphs. We introduce the idea of {\epsilon}-cost sharding, which allows us to build structures that can…

数据结构与算法 · 计算机科学 2025-04-08 Sebastiano Vigna

Stereo matching is essential for robot navigation. However, the accuracy of current widely used traditional methods is low, while methods based on CNN need expensive computational cost and running time. This is because different cost…

计算机视觉与模式识别 · 计算机科学 2021-03-16 Xiaogang Jia , Wei Chen , Zhengfa Liang , Mingfei Wu , Yusong Tan , Libo Huang
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