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Depth (disparity) estimation from 4D Light Field (LF) images has been a research topic for the last couple of years. Most studies have focused on depth estimation from static 4D LF images while not considering temporal information, i.e., LF…

计算机视觉与模式识别 · 计算机科学 2024-07-09 Takahiro Kinoshita , Satoshi Ono

The optimization of occlusion-inducing depth pixels in depth map coding has received little attention in the literature, since their associated texture pixels are occluded in the synthesized view and their effect on the synthesized view is…

多媒体 · 计算机科学 2018-05-09 Pan Gao , Cagri Ozcinar , Aljosa Smolic

Localizing stereo boundaries and predicting nearby disparities are difficult because stereo boundaries induce occluded regions where matching cues are absent. Most modern computer vision algorithms treat occlusions secondarily (e.g., via…

计算机视觉与模式识别 · 计算机科学 2021-09-09 Jialiang Wang , Todd Zickler

Multi-frame depth estimation improves over single-frame approaches by also leveraging geometric relationships between images via feature matching, in addition to learning appearance-based features. In this paper we revisit feature matching…

计算机视觉与模式识别 · 计算机科学 2022-06-14 Vitor Guizilini , Rares Ambrus , Dian Chen , Sergey Zakharov , Adrien Gaidon

Depth estimation plays a important role in SLAM, odometry, and autonomous driving. Especially, monocular depth estimation is profitable technology because of its low cost, memory, and computation. However, it is not a sufficiently…

计算机视觉与模式识别 · 计算机科学 2022-02-25 Hyeonsoo Jang , Yeongmin Ko , Younkwan Lee , Moongu Jeon

Large Language Models (LLMs) have a natural role in answering complex queries about data streams, but the high computational cost of LLM inference makes them infeasible in many such tasks. We propose online cascade learning, the first…

机器学习 · 计算机科学 2024-06-19 Lunyiu Nie , Zhimin Ding , Erdong Hu , Christopher Jermaine , Swarat Chaudhuri

Single view depth estimation models can be trained from video footage using a self-supervised end-to-end approach with view synthesis as the supervisory signal. This is achieved with a framework that predicts depth and camera motion, with a…

计算机视觉与模式识别 · 计算机科学 2019-08-30 Maarten Schellevis

Cost aggregation is a key component of stereo matching for high-quality depth estimation. Most methods use multi-scale processing to downsample cost volume for proper context information, but will cause loss of details when upsampling. In…

计算机视觉与模式识别 · 计算机科学 2020-06-08 Chengtang Yao , Yunde Jia , Huijun Di , Yuwei Wu , Lidong Yu

To help address the occlusion problem in panoptic segmentation and image understanding, this paper proposes a new large-scale dataset named COCO-OLAC (COCO Occlusion Labels for All Computer Vision Tasks), which is derived from the COCO…

计算机视觉与模式识别 · 计算机科学 2025-01-14 Wenbo Wei , Jun Wang , Abhir Bhalerao

Head pose estimation has become a crucial area of research in computer vision given its usefulness in a wide range of applications, including robotics, surveillance, or driver attention monitoring. One of the most difficult challenges in…

计算机视觉与模式识别 · 计算机科学 2025-01-23 José Celestino , Manuel Marques , Jacinto C. Nascimento

As demand for advanced photographic applications on hand-held devices grows, these electronics require the capture of high quality depth. However, under low-light conditions, most devices still suffer from low imaging quality and inaccurate…

计算机视觉与模式识别 · 计算机科学 2018-03-22 Sunghoon Im , Hae-Gon Jeon , In So Kweon

In this paper, we present a learning-based framework for sparse depth video completion. Given a sparse depth map and a color image at a certain viewpoint, our approach makes a cost volume that is constructed on depth hypothesis planes. To…

计算机视觉与模式识别 · 计算机科学 2024-09-24 Jungeon Kim , Soongjin Kim , Jaesik Park , Seungyong Lee

Existing deep learning based stereo matching methods either focus on achieving optimal performances on the target dataset while with poor generalization for other datasets or focus on handling the cross-domain generalization by suppressing…

计算机视觉与模式识别 · 计算机科学 2023-01-02 Zhelun Shen , Yuchao Dai , Xibin Song , Zhibo Rao , Dingfu Zhou , Liangjun Zhang

Omnidirectional depth estimation presents a significant challenge due to the inherent distortions in panoramic images. Despite notable advancements, the impact of projection methods remains underexplored. We introduce Multi-Cylindrical…

计算机视觉与模式识别 · 计算机科学 2025-09-30 Feng Qiao , Zhexiao Xiong , Xinge Zhu , Yuexin Ma , Qiumeng He , Nathan Jacobs

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

The light field faithfully records the spatial and angular configurations of the scene, which facilitates a wide range of imaging possibilities. In this work, we propose an LF synthesis algorithm which renders high quality novel LF views…

计算机视觉与模式识别 · 计算机科学 2019-03-26 Jie Chen , Lap-Pui Chau , Junhui Hou

Object counting has achieved remarkable success on visible instances, yet state-of-the-art (SOTA) methods fail under occlusion. This failure stems from a fundamental architectural limitation where backbone networks encode occluding surfaces…

计算机视觉与模式识别 · 计算机科学 2026-03-10 Safaeid Hossain Arib , Rabeya Akter , Abdul Monaf Chowdhury , Md Jubair Ahmed Sourov , Md Mehedi Hasan

Light field (LF) camera captures rich information from a scene. Using the information, the LF de-occlusion (LF-DeOcc) task aims to reconstruct the occlusion-free center view image. Existing LF-DeOcc studies mainly focus on the sparsely…

计算机视觉与模式识别 · 计算机科学 2023-01-18 Jiwan Hur , Jae Young Lee , Jaehyun Choi , Junmo Kim

We address multiview stereo (MVS), an important 3D vision task that reconstructs a 3D model such as a dense point cloud from multiple calibrated images. We propose CER-MVS (Cascaded Epipolar RAFT Multiview Stereo), a new approach based on…

计算机视觉与模式识别 · 计算机科学 2022-05-11 Zeyu Ma , Zachary Teed , Jia Deng

Event cameras offer a promising avenue for multi-view stereo depth estimation and Simultaneous Localization And Mapping (SLAM) due to their ability to detect blur-free 3D edges at high-speed and over broad illumination conditions. However,…

计算机视觉与模式识别 · 计算机科学 2025-10-28 Diego Hitzges , Suman Ghosh , Guillermo Gallego