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Given an image sequence featuring a portion of a sports field filmed by a moving and uncalibrated camera, such as the one of the smartphones, our goal is to compute automatically in real time the focal length and extrinsic camera parameters…

Contactless hand pose estimation requires sensors that provide precise spatial information and low computational complexity for real-time processing. Unlike vision-based systems, radar offers lighting independence and direct motion…

信号处理 · 电气工程与系统科学 2024-06-21 Johanna Bräunig , Vanessa Wirth , Marc Stamminger , Ingrid Ullmann , Martin Vossiek

Specifying nuanced and compelling camera motion remains a significant hurdle for non-expert creators using generative tools, creating an "expressive gap" where generic text prompts fail to capture cinematic vision. This barrier limits…

计算机视觉与模式识别 · 计算机科学 2026-03-30 Pooja Guhan , Divya Kothandaraman , Geonsun Lee , Tsung-Wei Huang , Guan-Ming Su , Dinesh Manocha

Thermal cameras offer strong potential for robot perception under challenging illumination and weather conditions. However, thermal Simultaneous Localization and Mapping (SLAM) remains difficult due to unreliable feature extraction,…

机器人学 · 计算机科学 2026-02-25 Zeyu Jiang , Kuan Xu , Changhao Chen

In this paper, a method for Automatic Image Registration (AIR) through histogram is proposed. Automatic image registration is one of the crucial steps in the analysis of remotely sensed data. A new acquired image must be transformed, using…

计算机视觉与模式识别 · 计算机科学 2014-02-25 V. Karthikeyan

There is a general expectation that robots should operate in environments that consist of static and dynamic entities including people, furniture and automobiles. These dynamic environments pose challenges to visual simultaneous…

机器人学 · 计算机科学 2020-03-26 Pushyami Kaveti , Sammie Katt , Hanumant Singh

High-quality HDRIs(High Dynamic Range Images), typically HDR panoramas, are one of the most popular ways to create photorealistic lighting and 360-degree reflections of 3D scenes in graphics. Given the difficulty of capturing HDRIs, a…

计算机视觉与模式识别 · 计算机科学 2023-04-17 Zhaoxi Chen , Guangcong Wang , Ziwei Liu

As an important and practical way to obtain high dynamic range (HDR) video, HDR video reconstruction from sequences with alternating exposures is still less explored, mainly due to the lack of large-scale real-world datasets. Existing…

计算机视觉与模式识别 · 计算机科学 2024-05-02 Yong Shu , Liquan Shen , Xiangyu Hu , Mengyao Li , Zihao Zhou

High Dynamic Range (HDR) content creation has become an important topic for modern media and entertainment sectors, gaming and Augmented/Virtual Reality industries. Many methods have been proposed to recreate the HDR counterparts of input…

计算机视觉与模式识别 · 计算机科学 2023-09-08 Hrishav Bakul Barua , Ganesh Krishnasamy , KokSheik Wong , Kalin Stefanov , Abhinav Dhall

Self-captured full-body videos are popular, but most deployments require mounted cameras, carefully-framed shots, and repeated practice. We propose a more convenient solution that enables full-body video capture using handheld mobile…

计算机视觉与模式识别 · 计算机科学 2025-12-02 Bowei Chen , Brian Curless , Ira Kemelmacher-Shlizerman , Steven M. Seitz

Mueller matrix (MM) polarimetry is an effective, non-invasive tool for retrieving information from complex media. However, the finite dynamic range of optical detectors poses a significant challenge when measurements involve strong…

光学 · 物理学 2026-04-27 Lourdes Camblor-Navarro , Iago Pardo , Oriol Arteaga

Sky/cloud images obtained from ground-based sky-cameras are usually captured using a fish-eye lens with a wide field of view. However, the sky exhibits a large dynamic range in terms of luminance, more than a conventional camera can…

计算机视觉与模式识别 · 计算机科学 2018-03-06 Soumyabrata Dev , Florian M. Savoy , Yee Hui Lee , Stefan Winkler

High dynamic range (HDR) video reconstruction from sequences captured with alternating exposures is a very challenging problem. Existing methods often align low dynamic range (LDR) input sequence in the image space using optical flow, and…

计算机视觉与模式识别 · 计算机科学 2021-08-24 Guanying Chen , Chaofeng Chen , Shi Guo , Zhetong Liang , Kwan-Yee K. Wong , Lei Zhang

Modulo imaging enables high dynamic range (HDR) acquisition by cyclically wrapping saturated intensities, but accurate reconstruction remains challenging due to ambiguities between natural image edges and artificial wrap discontinuities.…

图像与视频处理 · 电气工程与系统科学 2026-03-02 Brayan Monroy , Jorge Bacca

We present an approach of utilizing a multi-camera array system for capturing dynamic high-resolution videos of the human face, with improved imaging performance as compared to traditional single-camera configurations. Employing an array of…

We present a method for stabilizing handheld video that simulates the camera motions cinematographers achieve with equipment like tripods, dollies, and Steadicams. We formulate a constrained convex optimization problem minimizing the…

计算机视觉与模式识别 · 计算机科学 2020-11-24 Arwen Bradley , Jason Klivington , Joseph Triscari , Rudolph van der Merwe

In this paper, we present the submission to the 5th Annual Smoky Mountains Computational Sciences Data Challenge, Challenge 3. This is the solution for semantic segmentation problem in both real-world and synthetic images from a vehicle s…

计算机视觉与模式识别 · 计算机科学 2024-07-09 Tuan T. Nguyen , Phan Le , Yasir Hassan , Mina Sartipi

Cameras in modern devices such as smartphones, satellites and medical equipment are capable of capturing very high resolution images and videos. Such high-resolution data often need to be processed by deep learning models for cancer…

计算机视觉与模式识别 · 计算机科学 2022-12-07 Arian Bakhtiarnia , Qi Zhang , Alexandros Iosifidis

Modern cameras with large apertures often suffer from a shallow depth of field, resulting in blurry images of objects outside the focal plane. This limitation is particularly problematic for fixed-focus cameras, such as those used in smart…

计算机视觉与模式识别 · 计算机科学 2025-10-28 Xinge Yang , Chuong Nguyen , Wenbin Wang , Kaizhang Kang , Wolfgang Heidrich , Xiaoxing Li

We demonstrated a CMOS imaging system that adapts each pixel's exposure and sampling rate to capture high dynamic range (HDR) videos. The system consist of a custom designed image sensor with pixel-wise exposure configurability and a…

图像与视频处理 · 电气工程与系统科学 2019-06-25 Jie , Zhang , Jonathan P. Newman , Xiao Wang , Chetan Singh Thakur , John Rattray , Ralph Etienne-Cummings , Matthew A. Wilson