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Stereo Matching is one of the classical problems in computer vision for the extraction of 3D information but still controversial for accuracy and processing costs. The use of matching techniques and cost functions is crucial in the…

计算机视觉与模式识别 · 计算机科学 2022-10-31 Hamid Fsian , Vahid Mohammadi , Pierre Gouton , Saeid Minaei

In stereo vision, self-similar or bland regions can make it difficult to match patches between two images. Active stereo-based methods mitigate this problem by projecting a pseudo-random pattern on the scene so that each patch of an image…

计算机视觉与模式识别 · 计算机科学 2022-09-20 Laurent Jospin , Allen Antony , Lian Xu , Hamid Laga , Farid Boussaid , Mohammed Bennamoun

Multi-view stereo depth estimation based on cost volume usually works better than self-supervised monocular depth estimation except for moving objects and low-textured surfaces. So in this paper, we propose a multi-frame depth estimation…

计算机视觉与模式识别 · 计算机科学 2023-05-11 Zhuofei Huang , Jianlin Liu , Shang Xu , Ying Chen , Yong Liu

Audio-visual speaker tracking aims to determine the location of human targets in a scene using signals captured by a multi-sensor platform, whose accuracy and robustness can be improved by multi-modal fusion methods. Recently, several…

计算机视觉与模式识别 · 计算机科学 2024-10-10 Yidi Li , Hong Liu , Bing Yang

Disparity by Block Matching stereo is usually used in applications with limited computational power in order to get depth estimates. However, the research on simple stereo methods has been lesser than the energy based counterparts which…

计算机视觉与模式识别 · 计算机科学 2019-01-29 Vinay Kaushik , Brejesh Lall

Accurate and reliable 3D object detection is vital to safe autonomous driving. Despite recent developments, the performance gap between stereo-based methods and LiDAR-based methods is still considerable. Accurate depth estimation is crucial…

计算机视觉与模式识别 · 计算机科学 2020-03-13 Chengyao Li , Jason Ku , Steven L. Waslander

Light-weight convolutional neural networks (CNNs) are specially designed for applications on mobile devices with faster inference speed. The convolutional operation can only capture local information in a window region, which prevents…

计算机视觉与模式识别 · 计算机科学 2022-11-24 Yehui Tang , Kai Han , Jianyuan Guo , Chang Xu , Chao Xu , Yunhe Wang

Learning-based stereo matching models struggle in adverse weather conditions due to the scarcity of corresponding training data and the challenges in extracting discriminative features from degraded images. These limitations significantly…

计算机视觉与模式识别 · 计算机科学 2025-07-03 Yuran Wang , Yingping Liang , Yutao Hu , Ying Fu

Ghost projection is the reversed process of computational classical ghost imaging that allows any desired image to be synthesized using a linear combination of illuminating patterns. Typically, physical attenuating masks are used to produce…

光学 · 物理学 2025-12-01 James A. Monro , Andrew M. Kingston , David M. Paganin

Deep learning based 3D stereo networks give superior performance compared to 2D networks and conventional stereo methods. However, this improvement in the performance comes at the cost of increased computational complexity, thus making…

计算机视觉与模式识别 · 计算机科学 2021-08-24 Rafia Rahim , Faranak Shamsafar , Andreas Zell

Although convolution neural network based stereo matching architectures have made impressive achievements, there are still some limitations: 1) Convolutional Feature (CF) tends to capture appearance information, which is inadequate for…

计算机视觉与模式识别 · 计算机科学 2021-12-07 Biyang Liu , Huimin Yu , Yangqi Long

The swift and precise detection of vehicles plays a significant role in intelligent transportation systems. Current vehicle detection algorithms encounter challenges of high computational complexity, low detection rate, and limited…

计算机视觉与模式识别 · 计算机科学 2023-04-18 Bo Li , YiHua Chen , Hao Xu , Fei Zhong

Recent advanced studies have spent considerable human efforts on optimizing network architectures for stereo matching but hardly achieved both high accuracy and fast inference speed. To ease the workload in network design, neural…

计算机视觉与模式识别 · 计算机科学 2022-07-21 Qiang Wang , Shaohuai Shi , Kaiyong Zhao , Xiaowen Chu

We present Uncertainty-aware Cascaded Stereo Network (UCS-Net) for 3D reconstruction from multiple RGB images. Multi-view stereo (MVS) aims to reconstruct fine-grained scene geometry from multi-view images. Previous learning-based MVS…

计算机视觉与模式识别 · 计算机科学 2020-04-21 Shuo Cheng , Zexiang Xu , Shilin Zhu , Zhuwen Li , Li Erran Li , Ravi Ramamoorthi , Hao Su

Learning-based multi-view stereo (MVS) methods have demonstrated promising results. However, very few existing networks explicitly take the pixel-wise visibility into consideration, resulting in erroneous cost aggregation from occluded…

计算机视觉与模式识别 · 计算机科学 2020-08-20 Jingyang Zhang , Yao Yao , Shiwei Li , Zixin Luo , Tian Fang

Accurate depth estimation with lowest compute and energy cost is a crucial requirement for unmanned and battery operated autonomous systems. Robotic applications require real time depth estimation for navigation and decision making under…

计算机视觉与模式识别 · 计算机科学 2022-06-22 Rajeev Patwari , Varo Ly

Multi-view stereo (MVS) models based on progressive depth hypothesis narrowing have made remarkable advancements. However, existing methods haven't fully utilized the potential that the depth coverage of individual instances is smaller than…

计算机视觉与模式识别 · 计算机科学 2025-05-20 Yinzhe Wang , Yiwen Xiao , Hu Wang , Yiping Xu , Yan Tian

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…

计算机视觉与模式识别 · 计算机科学 2019-04-22 Xianzhi Du , Mostafa El-Khamy , Jungwon Lee

Stereo dense image matching can be categorized to low-level feature based matching and deep feature based matching according to their matching cost metrics. Census has been proofed to be one of the most efficient low-level feature based…

计算机视觉与模式识别 · 计算机科学 2019-05-23 Bihe Chen , Rongjun Qin , Xu Huang , Shuang Song , Xiaohu Lu

Learning accurate depth is essential to multi-view 3D object detection. Recent approaches mainly learn depth from monocular images, which confront inherent difficulties due to the ill-posed nature of monocular depth learning. Instead of…

计算机视觉与模式识别 · 计算机科学 2022-08-23 Zengran Wang , Chen Min , Zheng Ge , Yinhao Li , Zeming Li , Hongyu Yang , Di Huang