Results 1 to 10 of about 359,274 (310)
Camera Calibration Using Gray Code [PDF]
Sensors, 2019 In order to determine camera parameters, a calibration procedure involving the camera recordings of a checkerboard is usually performed. In this paper, we propose an alternative approach that uses Gray-code patterns displayed on an LCD screen.
Seppe Sels +3 more
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TARGETLESS CAMERA CALIBRATION [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2012 In photogrammetry a camera is considered calibrated if its interior orientation parameters are known. These encompass the principal distance, the principal point position and some Additional Parameters used to model possible systematic errors.
L. Barazzetti +3 more
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SUB-CAMERA CALIBRATION OF A PENTA-CAMERA [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2016 Penta cameras consisting of a nadir and four inclined cameras are becoming more and more popular, having the advantage of imaging also facades in built up areas from four directions.
K. Jacobsen, M. Gerke
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Camera Calibration Optimization Algorithm Based on Nutcracker Optimization Algorithm [PDF]
SensorsCamera calibration is a core task in computer vision. Traditional calibration methods usually achieve approximate solutions due to the complexity of solving nonlinear equations, resulting in reprojection errors. This article proposes a camera calibration
Lei Li, Zelong Xiao, Taiyang Hu
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Geometric Wide-Angle Camera Calibration: A Review and Comparative Study [PDF]
SensorsWide-angle cameras are widely used in photogrammetry and autonomous systems which rely on the accurate metric measurements derived from images. To find the geometric relationship between incoming rays and image pixels, geometric camera calibration (GCC ...
Jianzhu Huai +6 more
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Machine-Learning-Inspired Workflow for Camera Calibration [PDF]
Sensors, 2022 The performance of modern digital cameras approaches physical limits and enables high-precision measurements in optical metrology and in computer vision.
Alexey Pak, Steffen Reichel, Jan Burke
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Fusion calib: azimuth angle and multi frame tracking for online extrinsic radar-camera calibration [PDF]
Scientific ReportsTraditional radar-camera calibration requires manual intervention and excessive computational resources, resulting in high labor costs for maintenance in roadside perception scenarios.
Lan Cao +6 more
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NMC3D: Non-Overlapping Multi-Camera Calibration Based on Sparse 3D Map [PDF]
SensorsWith the advancement of computer vision and sensor technologies, many multi-camera systems are being developed for the control, planning, and other functionalities of unmanned systems or robots.
Changshuai Dai +7 more
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A Review of RGB-D Camera Calibration Methods [PDF]
Journal of Geodesy and Geoinformation Science, 2021 RGB-D camera is a new type of sensor, which can obtain the depth and texture information in an unknown 3D scene simultaneously, and they have been applied in various fields widely. In fact, when implementing such kinds of applications using RGB-D camera,
Chenyang ZHANG,Teng HUANG,Yueqian SHEN
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CAMERA CALIBRATION ACCURACY AT DIFFERENT UAV FLYING HEIGHTS [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2017 Unmanned Aerial Vehicles (UAVs) can be used to acquire highly accurate data in deformation survey, whereby low-cost digital cameras are commonly used in the UAV mapping.
A. R. Yusoff +4 more
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