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This paper addresses the problem of weakly supervised cross-view localization, where the goal is to estimate the pose of a ground camera relative to a satellite image with noisy ground truth annotations. A common approach to bridge the…

计算机视觉与模式识别 · 计算机科学 2025-12-25 Qiwei Wang , Shaoxun Wu , Yujiao Shi

We tackle the problem of automatic calibration of radially distorted cameras in challenging conditions. Accurately determining distortion parameters typically requires either 1) solving the full Structure from Motion (SfM) problem involving…

计算机视觉与模式识别 · 计算机科学 2025-09-16 Daniil Sinitsyn , Linus Härenstam-Nielsen , Daniel Cremers

Given 2D point correspondences between an image pair, inferring the camera motion is a fundamental issue in the computer vision community. The existing works generally set out from the epipolar constraint and estimate the essential matrix,…

计算机视觉与模式识别 · 计算机科学 2025-08-21 Guangyang Zeng , Qingcheng Zeng , Xinghan Li , Biqiang Mu , Jiming Chen , Ling Shi , Junfeng Wu

Whole-body pose and shape estimation aims to jointly predict different behaviors (e.g., pose, hand gesture, facial expression) of the entire human body from a monocular image. Existing methods often exhibit degraded performance under the…

计算机视觉与模式识别 · 计算机科学 2023-12-15 Hui EnPang , Zhongang Cai , Lei Yang , Qingyi Tao , Zhonghua Wu , Tianwei Zhang , Ziwei Liu

We present a method to estimate human motion in a global scene from moving cameras. This is a highly challenging task due to the coupling of human and camera motions in the video. To address this problem, we propose a joint optimization…

计算机视觉与模式识别 · 计算机科学 2023-10-24 Muhammed Kocabas , Ye Yuan , Pavlo Molchanov , Yunrong Guo , Michael J. Black , Otmar Hilliges , Jan Kautz , Umar Iqbal

Simultaneous Localization and Mapping (SLAM) using 3D LiDAR has emerged as a cornerstone for autonomous navigation in robotics. While feature-based SLAM systems have achieved impressive results by leveraging edge and planar structures, they…

机器人学 · 计算机科学 2026-02-09 Xinran Li , Shuaikang Zheng , Pengcheng Zheng , Xinyang Wang , Jiacheng Li , Zhitian Li , Xudong Zou

Due to the very narrow beam used in millimeter wave communication (mmWave), beam alignment (BA) is a critical issue. In this work, we investigate the issue of mmWave BA and present a novel beam alignment scheme on the basis of a machine…

信号处理 · 电气工程与系统科学 2022-07-29 Songjie Yang , Baojuan Liu , Zhiqin Hong , Zhongpei Zhang

Recent efforts in using 3D Gaussians for scene reconstruction and novel view synthesis can achieve impressive results on curated benchmarks; however, images captured in real life are often blurry. In this work, we analyze the robustness of…

计算机视觉与模式识别 · 计算机科学 2024-03-26 Cheng Peng , Yutao Tang , Yifan Zhou , Nengyu Wang , Xijun Liu , Deming Li , Rama Chellappa

In this paper, we propose a novel approach to hyperspectral image super-resolution by modeling the global spatial-and-spectral correlation and local smoothness properties over hyperspectral images. Specifically, we utilize the tensor…

计算机视觉与模式识别 · 计算机科学 2016-01-26 Shiying He , Haiwei Zhou , Yao Wang , Wenfei Cao , Zhi Han

We propose a probabilistic filtering method which fuses joint measurements with depth images to yield a precise, real-time estimate of the end-effector pose in the camera frame. This avoids the need for frame transformations when using it…

机器人学 · 计算机科学 2016-11-28 Cristina Garcia Cifuentes , Jan Issac , Manuel Wüthrich , Stefan Schaal , Jeannette Bohg

Camera pose refinement aims at improving the accuracy of initial pose estimation for applications in 3D computer vision. Most refinement approaches rely on 2D-3D correspondences with specific descriptors or dedicated networks, requiring…

计算机视觉与模式识别 · 计算机科学 2025-08-26 Lulu Hao , Lipu Zhou , Zhenzhong Wei , Xu Wang

Neural Radiance Fields (NeRF) have exhibited highly effective performance for photorealistic novel view synthesis recently. However, the key limitation it meets is the reliance on a hand-crafted frequency annealing strategy to recover 3D…

计算机视觉与模式识别 · 计算机科学 2025-03-18 Rui Qian , Chenyangguang Zhang , Yan Di , Guangyao Zhai , Ruida Zhang , Jiayu Guo , Benjamin Busam , Jian Pu

An unbiased method for improving the resolution of astronomical images is presented. The strategy at the core of this method is to establish a linear transformation between the recorded image and an improved image at some desirable…

天体物理学 · 物理学 2016-08-30 F. P. Pijpers

Bayesian Optimization is the state of the art technique for the optimization of black boxes, i.e., functions where we do not have access to their analytical expression nor its gradients, they are expensive to evaluate and its evaluation is…

人工智能 · 计算机科学 2021-01-13 Eduardo C. Garrido Merchán , Luis C. Jariego Pérez

Parametric Bayesian modeling offers a powerful and flexible toolbox for machine learning. Yet the model, however detailed, may still be wrong, and this can make inferences untrustworthy. In this paper we introduce a new class of…

统计方法学 · 统计学 2026-04-03 Bohan Wu , Eli N. Weinstein , Sohrab Salehi , Yixin Wang , David M. Blei

This paper presents a novel preconditioning strategy for the classic 8-point algorithm (8-PA) for estimating an essential matrix from 360-FoV images (i.e., equirectangular images) in spherical projection. To alleviate the effect of uneven…

计算机视觉与模式识别 · 计算机科学 2021-04-23 Bolivar Solarte , Chin-Hsuan Wu , Kuan-Wei Lu , Min Sun , Wei-Chen Chiu , Yi-Hsuan Tsai

Cameras are the most widely exploited sensor in both robotics and computer vision communities. Despite their popularity, two dominant attributes (i.e., gain and exposure time) have been determined empirically and images are captured in very…

计算机视觉与模式识别 · 计算机科学 2018-08-15 Joowan Kim , Younggun Cho , Ayoung Kim

This paper presents a novel technique for progressive online integration of uncalibrated image sequences with substantial geometric and/or photometric discrepancies into a single, geometrically and photometrically consistent image. Our…

图形学 · 计算机科学 2019-09-11 Markus Kluge , Tim Weyrich , Andreas Kolb

In this paper, we present a method to estimate a sequence of human poses in unconstrained videos. We aim to demonstrate that by using temporal information, the human pose estimation results can be improved over image based pose estimation…

计算机视觉与模式识别 · 计算机科学 2016-04-27 Dong Zhang , Mubarak Shah

Due to their affordable, low mass, and small dimensions, uncooled microbolometer-based thermal focal plane arrays (UC-FPAs) are useful for long-wave infrared (LWIR)imaging applications. However, in outdoor conditions typical in agricultural…

图像与视频处理 · 电气工程与系统科学 2025-03-05 Peretz Yafin , Nir Sochen , Iftach Klapp