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This paper presents HITNet, a novel neural network architecture for real-time stereo matching. Contrary to many recent neural network approaches that operate on a full cost volume and rely on 3D convolutions, our approach does not…

Computer Vision and Pattern Recognition · Computer Science 2023-01-23 Vladimir Tankovich , Christian Häne , Yinda Zhang , Adarsh Kowdle , Sean Fanello , Sofien Bouaziz

End-to-end deep networks represent the state of the art for stereo matching. While excelling on images framing environments similar to the training set, major drops in accuracy occur in unseen domains (e.g., when moving from synthetic to…

Computer Vision and Pattern Recognition · Computer Science 2020-10-16 Changjiang Cai , Matteo Poggi , Stefano Mattoccia , Philippos Mordohai

Stereo image super-resolution aims to improve the quality of high-resolution stereo image pairs by exploiting complementary information across views. To attain superior performance, many methods have prioritized designing complex modules to…

Computer Vision and Pattern Recognition · Computer Science 2023-04-14 Wenbin Zou , Hongxia Gao , Liang Chen , Yunchen Zhang , Mingchao Jiang , Zhongxin Yu , Ming Tan

In recent years, monocular depth estimation is applied to understand the surrounding 3D environment and has made great progress. However, there is an ill-posed problem on how to gain depth information directly from a single image. With the…

Computer Vision and Pattern Recognition · Computer Science 2021-07-15 Meiqi Pei

We propose a learning-based network for depth map estimation from multi-view stereo (MVS) images. Our proposed network consists of three sub-networks: 1) a base network for initial depth map estimation from an unstructured stereo image…

Computer Vision and Pattern Recognition · Computer Science 2020-03-03 Sizhang Dai , Weibing Huang

We study how autonomous robots can learn by themselves to improve their depth estimation capability. In particular, we investigate a self-supervised learning setup in which stereo vision depth estimates serve as targets for a convolutional…

Computer Vision and Pattern Recognition · Computer Science 2018-03-21 Diogo Martins , Kevin van Hecke , Guido de Croon

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…

Computer Vision and Pattern Recognition · Computer Science 2019-04-16 Feihu Zhang , Victor Prisacariu , Ruigang Yang , Philip H. S. Torr

In this paper, a new deep learning architecture for stereo disparity estimation is proposed. The proposed atrous multiscale network (AMNet) adopts an efficient feature extractor with depthwise-separable convolutions and an extended cost…

Computer Vision and Pattern Recognition · Computer Science 2019-04-22 Xianzhi Du , Mostafa El-Khamy , Jungwon Lee

Accurate stereo depth estimation plays a critical role in various 3D tasks in both indoor and outdoor environments. Recently, learning-based multi-view stereo methods have demonstrated competitive performance with a limited number of views.…

Computer Vision and Pattern Recognition · Computer Science 2020-06-02 Uday Kusupati , Shuo Cheng , Rui Chen , Hao Su

We propose a novel DNN based framework called the Enhanced Correlation Matching based Video Frame Interpolation Network to support high resolution like 4K, which has a large scale of motion and occlusion. Considering the extensibility of…

Computer Vision and Pattern Recognition · Computer Science 2021-11-18 Sungho Lee , Narae Choi , Woong Il Choi

Feature pyramid networks have been widely adopted in the object detection literature to improve feature representations for better handling of variations in scale. In this paper, we present Feature Pyramid Grids (FPG), a deep multi-pathway…

Computer Vision and Pattern Recognition · Computer Science 2020-04-08 Kai Chen , Yuhang Cao , Chen Change Loy , Dahua Lin , Christoph Feichtenhofer

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…

Computer Vision and Pattern Recognition · Computer Science 2020-04-22 Haofei Xu , Juyong Zhang

We propose a novel lightweight network for stereo estimation. Our network consists of a fully-convolutional densely connected neural network (FC-DCNN) that computes matching costs between rectified image pairs. Our FC-DCNN method learns…

Computer Vision and Pattern Recognition · Computer Science 2020-10-15 Dominik Hirner , Friedrich Fraundorfer

Recent methods in stereo matching have continuously improved the accuracy using deep models. This gain, however, is attained with a high increase in computation cost, such that the network may not fit even on a moderate GPU. This issue…

Computer Vision and Pattern Recognition · Computer Science 2021-08-24 Faranak Shamsafar , Samuel Woerz , Rafia Rahim , Andreas Zell

Deep networks for stereo matching typically leverage 2D or 3D convolutional encoder-decoder architectures to aggregate cost and regularize the cost volume for accurate disparity estimation. Due to content-insensitive convolutions and…

Computer Vision and Pattern Recognition · Computer Science 2020-10-16 Changjiang Cai , Philippos Mordohai

Deep convolutional neural networks (DCNNs) have achieved great success in monocular depth estimation (MDE). However, few existing works take the contributions for MDE of different levels feature maps into account, leading to inaccurate…

Computer Vision and Pattern Recognition · Computer Science 2024-03-05 Yifang Xu , Chenglei Peng , Ming Li , Yang Li , Sidan Du

The significance of multi-scale features has been gradually recognized by the edge detection community. However, the fusion of multi-scale features increases the complexity of the model, which is not friendly to practical application. In…

Computer Vision and Pattern Recognition · Computer Science 2025-01-10 Yachuan Li , Zongmin Li , Xavier Soria P. , Chaozhi Yang , Qian Xiao , Yun Bai , Hua Li , Xiangdong Wang

Exiting deep-learning based dense stereo matching methods often rely on ground-truth disparity maps as the training signals, which are however not always available in many situations. In this paper, we design a simple convolutional neural…

Computer Vision and Pattern Recognition · Computer Science 2017-09-05 Yiran Zhong , Yuchao Dai , Hongdong Li

Recent advancements in multi-scale architectures have demonstrated exceptional performance in image denoising tasks. However, existing architectures mainly depends on a fixed single-input single-output Unet architecture, ignoring the…

Computer Vision and Pattern Recognition · Computer Science 2025-06-23 Xu Zhao , Chen Zhao , Xiantao Hu , Hongliang Zhang , Ying Tai , Jian Yang

The photometric stereo (PS) problem consists in reconstructing the 3D-surface of an object, thanks to a set of photographs taken under different lighting directions. In this paper, we propose a multi-scale architecture for PS which,…

Computer Vision and Pattern Recognition · Computer Science 2023-10-05 Clément Hardy , Yvain Quéau , David Tschumperlé