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相关论文: High-quality Panorama Stitching based on Asymmetri…

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This paper proposes an A*SLAM system that features combining two sets of fisheye stereo cameras and taking the image edge as the SLAM features. The dual fisheye stereo camera sets cover the full environmental view of the SLAM system. From…

机器人学 · 计算机科学 2019-11-12 Guoxuan Zhang

In moving camera videos, motion segmentation is commonly performed using the image plane motion of pixels, or optical flow. However, objects that are at different depths from the camera can exhibit different optical flows even if they share…

计算机视觉与模式识别 · 计算机科学 2015-11-06 Manjunath Narayana , Allen Hanson , Erik Learned-Miller

The joint design of the optical system and the downstream algorithm is a challenging and promising task. Due to the demand for balancing the global optimal of imaging systems and the computational cost of physical simulation, existing…

光学 · 物理学 2023-11-22 Jingwen Zhou , Shiqi Chen , Zheng Ren , Wenguan Zhang , Jiapu Yan , Huajun Feng , Qi Li , Yueting Chen

This paper presents an effective normal estimation method adopting multi-patch stitching for an unstructured point cloud. The majority of learning-based approaches encode a local patch around each point of a whole model and estimate the…

计算机视觉与模式识别 · 计算机科学 2021-04-01 Jun Zhou , Wei Jin , Mingjie Wang , Xiuping Liu , Zhiyang Li , Zhaobin Liu

Optical flow refers to the visual motion observed between two consecutive images. Since the degree of freedom is typically much larger than the constraints imposed by the image observations, the straightforward formulation of optical flow…

机器学习 · 统计学 2018-08-21 Jie Sun , Fernando J. Quevedo , Erik Bollt

We introduce an algorithm based on a method of snapshots for computing approximate balanced truncations for discrete-time, stable, linear time-periodic systems. By construction, this algorithm is applicable to very high-dimensional systems,…

最优化与控制 · 数学 2007-08-06 Zhanhua Ma , Clarence W. Rowley , Gilead Tadmor

Underwater environments impose severe constraints on conventional imaging systems and demand solutions that balance high-quality sensing with strict resource efficiency. While emerging event cameras offer a promising alternative, their…

计算机视觉与模式识别 · 计算机科学 2026-05-14 Pei Zhang , Yunkai Liang , Kaiqiang Wang

This paper studies optical flow estimation, a critical task in motion analysis with applications in autonomous navigation, action recognition, and film production. Traditional optical flow methods require consecutive frames, which are often…

计算机视觉与模式识别 · 计算机科学 2025-06-12 Mo Zhou , Jianwei Wang , Xuanmeng Zhang , Dylan Campbell , Kai Wang , Long Yuan , Wenjie Zhang , Xuemin Lin

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…

计算机视觉与模式识别 · 计算机科学 2021-11-18 Sungho Lee , Narae Choi , Woong Il Choi

Eyeframe lens tracing is an important process in the optical industry that requires sub-millimeter precision to ensure proper lens fitting and optimal vision correction. Traditional frame tracers rely on mechanical tools that need precise…

计算机视觉与模式识别 · 计算机科学 2026-02-19 Manel Guzmán , Antonio Agudo

Image stitching is a classical and crucial technique in computer vision, which aims to generate the image with a wide field of view. The traditional methods heavily depend on the feature detection and require that scene features be dense…

计算机视觉与模式识别 · 计算机科学 2020-12-14 Lang Nie , Chunyu Lin , Kang Liao , Yao Zhao

We present a global optimization approach to optical flow estimation. The approach optimizes a classical optical flow objective over the full space of mappings between discrete grids. No descriptor matching is used. The highly regular…

计算机视觉与模式识别 · 计算机科学 2016-04-13 Qifeng Chen , Vladlen Koltun

We present an algorithm to estimate fast and accurate depth maps from light fields via a sparse set of depth edges and gradients. Our proposed approach is based around the idea that true depth edges are more sensitive than texture edges to…

计算机视觉与模式识别 · 计算机科学 2021-07-08 Numair Khan , Min H. Kim , James Tompkin

It is hard to densely track a nonrigid object in long term, which is a fundamental research issue in the computer vision community. This task often relies on estimating pairwise correspondences between images over time where the error is…

计算机视觉与模式识别 · 计算机科学 2016-03-08 Wenbin Li , Darren Cosker , Matthew Brown

Panorama synthesis endeavors to craft captivating 360-degree visual landscapes, immersing users in the heart of virtual worlds. Nevertheless, contemporary panoramic synthesis techniques grapple with the challenge of semantically guiding the…

计算机视觉与模式识别 · 计算机科学 2024-01-30 Kun Yan , Lei Ji , Chenfei Wu , Jian Liang , Ming Zhou , Nan Duan , Shuai Ma

Semantic segmentation for aerial platforms has been one of the fundamental scene understanding task for the earth observation. Most of the semantic segmentation research focused on scenes captured in nadir view, in which objects have…

计算机视觉与模式识别 · 计算机科学 2021-02-08 Ye Lyu , George Vosselman , Gui-Song Xia , Michael Ying Yang

We present an algorithm capable of detecting diffuse, dim sources of any size in an astronomical image. These sources often defeat traditional methods for source finding, which expand regions around points of high intensity. Extended…

天体物理仪器与方法 · 物理学 2016-01-05 T. Butler-Yeoman , M. Frean , C. P. Hollitt , D. W. Hogg , M. Johnston-Hollitt

In this work we propose a one-class self-supervised method for anomaly segmentation in images that benefits both from a modern machine learning approach and a more classic statistical detection theory. The method consists of four phases.…

计算机视觉与模式识别 · 计算机科学 2024-06-04 Matías Tailanian , Álvaro Pardo , Pablo Musé

In this paper alternative method for real-time 3D model rasterization is given. Surfaces are drawn in perspective-map space which acts as a virtual camera lens. It can render single-pass 360{\deg} angle of view (AOV) image of unlimited…

图形学 · 计算机科学 2020-10-20 Jakub Maksymilian Fober

This is a technical report on the 360-degree panoramic image generation task based on diffusion models. Unlike ordinary 2D images, 360-degree panoramic images capture the entire $360^\circ\times 180^\circ$ field of view. So the rightmost…

计算机视觉与模式识别 · 计算机科学 2023-11-23 Mengyang Feng , Jinlin Liu , Miaomiao Cui , Xuansong Xie