A line scan camera-based structure from motion for high-resolution …
2015年9月1日 · A high-resolution structure from motion 3D reconstruction method based on line scan camera is proposed and experimentally verified in this paper. The imaging model of the line scan camera is analyzed in detail to derive the transformation from a physical point in space and its corresponding image pixel on the image captured by the scanner.
A modular hierarchical array camera | Light: Science & Applications
2021年2月18日 · A group of heterogeneous cameras can work as an array camera module, named UnstructuredCam, for high-resolution/gigapixel imaging with flexibility, robustness, and scalability.
Optimization of sparse camera array arrangement using grid …
2025年1月1日 · The results demonstrate that the optimized camera arrangements can achieve high-resolution imaging with enhanced robustness against assembly errors, indicating their potential for various applications such as biological microscopy, remote sensing, and …
FlowMap: High-Quality Camera Poses, Intrinsics, and Depth via …
2024年4月23日 · Abstract: This paper introduces FlowMap, an end-to-end differentiable method that solves for precise camera poses, camera intrinsics, and per-frame dense depth of a video sequence. Our method performs per-video gradient-descent minimization of a simple least-squares objective that compares the optical flow induced by depth, intrinsics, and ...
微纳卫星高分辨视频相机光机结构设计与试验(特邀) | 红外与激光工 …
首先，基于20 kg级微纳视频卫星的任务及总体设计，提出了其所搭载的视频相机的指标要求；然后，分别介绍了该视频相机光学和光机结构系统；为了进一步提高轻量化率，在满足光学性能要求的同时，利用光机集成优化方法进行了轻量化设计，优化后光机系统质量仅3.03 kg，整机质量仅4.76 kg，一阶基频120 Hz以上；最后，开展了系统装调和地面力学摸底试验，试验结果表明其动力学性能和稳定性良好。
Abstract — GF-2 (Gaofen-2) is the second high resolu-tion imaging satellite of China high resolution earth obser-vation system (CHEOS) and it is the first civilian high res-olution imager with Ground sample distance (GSD) under 1m in China. The two 1m/4m cameras represent a break-through in comparison with the previous GF-1 camera. Re-
Calibration of dual resolution dual camera structured light systems
2024年11月1日 · The alignment of dual-resolution cameras is achieved by employing a rigid transformation on the matched virtual feature points between the low-resolution and high-resolution cameras. The identification of these matched virtual feature points is facilitated by corresponding dual-directional absolute phase maps from both devices.
Georecon: a coarse-to-fine visual 3D reconstruction approach for high …
2024年10月30日 · Thus, by merging the advantages of the learning-based and typical feature extraction and description techniques, we propose GeoRecon: a novel coarse-to-fine 3D visual reconstruction framework to optimally utilize high-resolution visual details to formulate fine-grained feature correspondences and thereby facilitate accurate recovery of spatial ...
8K Extremely High Resolution Camera System | PPT - SlideShare
2014年11月19日 · The document discusses an 8K resolution camera system. It describes two methods for creating 8K images - a four sensor imaging method that uses separate sensors for red, blue, green 1, and green 2 light, and a three 33-megapixel CMOS sensor method.
High Resolution Optical Remote Sensing Satellites -Challenges …
2020年6月26日 · Significant complexity lies in the realization of high spatial resolution camera starting from material selection, high stiffness-low mass opto-mechanical system design, detector selection...