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Street view imagery has become an essential source for geospatial data collection and urban analytics, enabling the extraction of valuable insights that support informed decision-making. However, synthesizing street-view images from…

计算机视觉与模式识别 · 计算机科学 2025-09-30 Khawlah Bajbaa , Abbas Anwar , Muhammad Saqib , Hafeez Anwar , Nabin Sharma , Muhammad Usman

We study the problem of self-supervised 3D scene flow estimation from real large-scale raw point cloud sequences, which is crucial to various tasks like trajectory prediction or instance segmentation. In the absence of ground truth scene…

计算机视觉与模式识别 · 计算机科学 2024-08-14 Patrik Vacek , David Hurych , Tomáš Svoboda , Karel Zimmermann

Unsupervised learning of optical flow, which leverages the supervision from view synthesis, has emerged as a promising alternative to supervised methods. However, the objective of unsupervised learning is likely to be unreliable in…

计算机视觉与模式识别 · 计算机科学 2020-12-01 Liang Liu , Jiangning Zhang , Ruifei He , Yong Liu , Yabiao Wang , Ying Tai , Donghao Luo , Chengjie Wang , Jilin Li , Feiyue Huang

Feature representation plays a crucial role in visual correspondence, and recent methods for image matching resort to deeply stacked convolutional layers. These models, however, are both monolithic and static in the sense that they…

计算机视觉与模式识别 · 计算机科学 2020-07-22 Juhong Min , Jongmin Lee , Jean Ponce , Minsu Cho

Stereo video synthesis from a monocular input is a demanding task in the fields of spatial computing and virtual reality. The main challenges of this task lie on the insufficiency of high-quality paired stereo videos for training and the…

计算机视觉与模式识别 · 计算机科学 2025-04-29 Zhen Lv , Yangqi Long , Congzhentao Huang , Cao Li , Chengfei Lv , Hao Ren , Dian Zheng

Optical flow computation with frame-based cameras provides high accuracy but the speed is limited either by the model size of the algorithm or by the frame rate of the camera. This makes it inadequate for high-speed applications. Event…

计算机视觉与模式识别 · 计算机科学 2022-07-25 Ashwin Sanjay Lele , Arijit Raychowdhury

The accuracy of learning-based optical flow estimation models heavily relies on the realism of the training datasets. Current approaches for generating such datasets either employ synthetic data or generate images with limited realism.…

计算机视觉与模式识别 · 计算机科学 2023-09-14 Yingping Liang , Jiaming Liu , Debing Zhang , Ying Fu

Visual Saliency refers to the innate human mechanism of focusing on and extracting important features from the observed environment. Recently, there has been a notable surge of interest in the field of automotive research regarding the…

计算机视觉与模式识别 · 计算机科学 2023-08-09 Francesco Rundo , Michael Sebastian Rundo , Concetto Spampinato

The use of machine learning (ML) methods for development of robust and flexible visual inspection system has shown promising. However their performance is highly dependent on the amount and diversity of training data. This is often…

计算机视觉与模式识别 · 计算机科学 2024-10-22 Juraj Fulir , Natascha Jeziorski , Lovro Bosnar , Hans Hagen , Claudia Redenbach , Petra Gospodnetić , Tobias Herrfurth , Marcus Trost , Thomas Gischkat

This work targets what we consider to be the foundational step for urban airborne robots, a safe landing. Our attention is directed toward what we deem the most crucial aspect of the safe landing perception stack: segmentation. We present a…

机器人学 · 计算机科学 2024-10-16 Haechan Mark Bong , Rongge Zhang , Ricardo de Azambuja , Giovanni Beltrame

Multiscale mixed methods based on non-overlapping domain decompositions can efficiently handle the solution of significant subsurface flow problems in very heterogeneous formations of interest to the industry, especially when implemented on…

数值分析 · 数学 2025-02-25 Dilong Zhou , Rafael Guiraldello , Felipe Pereira

Self-supervised monocular scene flow estimation, aiming to understand both 3D structures and 3D motions from two temporally consecutive monocular images, has received increasing attention for its simple and economical sensor setup. However,…

计算机视觉与模式识别 · 计算机科学 2023-09-06 Zijie Jiang , Masatoshi Okutomi

Scene flow estimation has been receiving increasing attention for 3D environment perception. Monocular scene flow estimation -- obtaining 3D structure and 3D motion from two temporally consecutive images -- is a highly ill-posed problem,…

计算机视觉与模式识别 · 计算机科学 2020-04-17 Junhwa Hur , Stefan Roth

Text-to-image (T2I) diffusion/flow models have drawn considerable attention recently due to their remarkable ability to deliver flexible visual creations. Still, high-resolution image synthesis presents formidable challenges due to the…

计算机视觉与模式识别 · 计算机科学 2025-05-19 Jiazi Bu , Pengyang Ling , Yujie Zhou , Pan Zhang , Tong Wu , Xiaoyi Dong , Yuhang Zang , Yuhang Cao , Dahua Lin , Jiaqi Wang

Estimating 3D scene flow from a sequence of monocular images has been gaining increased attention due to the simple, economical capture setup. Owing to the severe ill-posedness of the problem, the accuracy of current methods has been…

计算机视觉与模式识别 · 计算机科学 2021-05-06 Junhwa Hur , Stefan Roth

This paper investigates the localization problem of high-speed high-altitude unmanned aerial vehicle (UAV) with a monocular camera and inertial navigation system. It proposes a navigation method utilizing the complementarity of vision and…

计算机视觉与模式识别 · 计算机科学 2020-02-13 Xin-long Luo , Jia-hui Lv , Geng Sun

This work proposes a mmWave radar's scene flow estimation framework supervised by data from a widespread visual-inertial (VI) sensor suite, allowing crowdsourced training data from smart vehicles. Current scene flow estimation methods for…

计算机视觉与模式识别 · 计算机科学 2025-07-08 Kezhong Liu , Yiwen Zhou , Mozi Chen , Jianhua He , Jingao Xu , Zheng Yang , Chris Xiaoxuan Lu , Shengkai Zhang

Video Diffusion Models (VDMs) can generate high-quality videos, but often struggle with producing temporally coherent motion. Optical flow supervision is a promising approach to address this, with prior works commonly employing…

计算机视觉与模式识别 · 计算机科学 2025-04-22 Kuanting Wu , Kei Ota , Asako Kanezaki

The state space representation of active resident space objects can be posed in the form of a stochastic hybrid system. Satellite maneuvers may be accounted for according to control cost or heuristical considerations, yet it is possible to…

信号处理 · 电气工程与系统科学 2022-04-06 Guillermo Escribano , Manuel Sanjurjo-Rivo , Jan Siminski , Alejandro Pastor , Diego Escobar

Novel view synthesis (NVS) from a single image is highly ill-posed due to large unobserved regions, especially for views that deviate significantly from the input. While existing methods focus on consistency between the source and generated…

计算机视觉与模式识别 · 计算机科学 2025-09-03 Xueyang Kang , Zhengkang Xiang , Zezheng Zhang , Kourosh Khoshelham
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