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Light field (LF) depth estimation is a crucial task with numerous practical applications. However, mainstream methods based on the multi-view stereo (MVS) are resource-intensive and time-consuming as they need to construct a finer cost…

计算机视觉与模式识别 · 计算机科学 2023-05-30 Wentao Chao , Fuqing Duan , Xuechun Wang , Yingqian Wang , Guanghui Wang

Depth estimation from light field (LF) images is a fundamental step for numerous applications. Recently, learning-based methods have achieved higher accuracy and efficiency than the traditional methods. However, it is costly to obtain…

计算机视觉与模式识别 · 计算机科学 2023-08-21 Shansi Zhang , Nan Meng , Edmund Y. Lam

Background objects occluded in some views of a light field (LF) camera can be seen by other views. Consequently, occluded surfaces are possible to be reconstructed from LF images. In this paper, we handle the LF de-occlusion (LF-DeOcc)…

计算机视觉与模式识别 · 计算机科学 2019-12-11 Yingqian Wang , Tianhao Wu , Jungang Yang , Longguang Wang , Wei An , Yulan Guo

Depth estimation is a fundamental issue in 4-D light field processing and analysis. Although recent supervised learning-based light field depth estimation methods have significantly improved the accuracy and efficiency of traditional…

计算机视觉与模式识别 · 计算机科学 2022-03-23 Jing Jin , Junhui Hou

In this work, we present a novel learning-based approach to synthesize new views of a light field image. In particular, given the four corner views of a light field, the presented method estimates any in-between view. We use three…

计算机视觉与模式识别 · 计算机科学 2021-02-19 Julia Navarro , Neus Sabater

Occlusion is one of the most challenging problems in depth estimation. Previous work has modeled the single-occluder occlusion in light field and get good results, however it is still difficult to obtain accurate depth for multi-occluder…

计算机视觉与模式识别 · 计算机科学 2017-11-22 Hao Zhu , Qing Wang , Jingyi Yu

Self-supervised monocular depth estimation, aiming to learn scene depths from single images in a self-supervised manner, has received much attention recently. In spite of recent efforts in this field, how to learn accurate scene depths and…

计算机视觉与模式识别 · 计算机科学 2022-09-16 Zhengming Zhou , Qiulei Dong

Light field (LF) depth estimation plays a crucial role in many LF-based applications. Existing LF depth estimation methods consider depth estimation as a regression problem, where a pixel-wise L1 loss is employed to supervise the training…

计算机视觉与模式识别 · 计算机科学 2023-11-22 Wentao Chao , Xuechun Wang , Yingqian Wang , Guanghui Wang , Fuqing Duan

RGBD-based real-time dynamic 3D reconstruction suffers from inaccurate inter-frame motion estimation as errors may accumulate with online tracking. This problem is even more severe for single-view-based systems due to strong occlusions.…

计算机视觉与模式识别 · 计算机科学 2022-03-16 Wenbin Lin , Chengwei Zheng , Jun-Hai Yong , Feng Xu

Light field cameras and multi-camera arrays have emerged as promising solutions for accurately estimating depth by passively capturing light information. This is possible because the 3D information of a scene is embedded in the 4D light…

图像与视频处理 · 电气工程与系统科学 2025-05-15 Rui Lourenço , Lucas Thomaz , Eduardo A. B. Silva , Sergio M. M. Faria

Optical flow estimation is an essential step for many real-world computer vision tasks. Existing deep networks have achieved satisfactory results by mostly employing a pyramidal coarse-to-fine paradigm, where a key process is to adopt…

计算机视觉与模式识别 · 计算机科学 2021-02-02 Lingtong Kong , Xiaohang Yang , Jie Yang

A densely-sampled light field (LF) is highly desirable in various applications, such as 3-D reconstruction, post-capture refocusing and virtual reality. However, it is costly to acquire such data. Although many computational methods have…

图像与视频处理 · 电气工程与系统科学 2020-09-29 Jing Jin , Junhui Hou , Jie Chen , Huanqiang Zeng , Sam Kwong , Jingyi Yu

Learning matching costs has been shown to be critical to the success of the state-of-the-art deep stereo matching methods, in which 3D convolutions are applied on a 4D feature volume to learn a 3D cost volume. However, this mechanism has…

计算机视觉与模式识别 · 计算机科学 2020-10-29 Jianyuan Wang , Yiran Zhong , Yuchao Dai , Kaihao Zhang , Pan Ji , Hongdong Li

The paper presents a novel approach to occlusion handling problem in depth estimation using three views. A solution based on modification of similarity cost function is proposed. During the depth estimation via optimization algorithms like…

多媒体 · 计算机科学 2017-11-13 Krzysztof Wegner , Olgierd Stankiewicz , Marek Domanski

Image matching is a fundamental and critical task in various visual applications, such as Simultaneous Localization and Mapping (SLAM) and image retrieval, which require accurate pose estimation. However, most existing methods ignore the…

计算机视觉与模式识别 · 计算机科学 2023-08-31 Miao Fan , Mingrui Chen , Chen Hu , Shuchang Zhou

Self-supervised deep learning-based 3D scene understanding methods can overcome the difficulty of acquiring the densely labeled ground-truth and have made a lot of advances. However, occlusions and moving objects are still some of the major…

计算机视觉与模式识别 · 计算机科学 2021-10-25 Jiaojiao Fang , Guizhong Liu

While deep neural networks have succeeded in several visual applications, such as object recognition, detection, and localization, by reaching very high classification accuracies, it is important to note that many real-world applications…

计算机视觉与模式识别 · 计算机科学 2020-10-06 Yu-An Chung , Shao-Wen Yang , Hsuan-Tien Lin

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

We present a new learning-based method for multi-frame depth estimation from a color video, which is a fundamental problem in scene understanding, robot navigation or handheld 3D reconstruction. While recent learning-based methods estimate…

计算机视觉与模式识别 · 计算机科学 2021-07-13 Xiaoxiao Long , Lingjie Liu , Christian Theobalt , Wenping Wang

We propose a method to compute depth maps for every sub-aperture image in a light field in a view consistent way. Previous light field depth estimation methods typically estimate a depth map only for the central sub-aperture view, and…

计算机视觉与模式识别 · 计算机科学 2020-09-10 Numair Khan , Min H. Kim , James Tompkin
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