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搜索结果: 1-15 共查到工学 Distortion相关记录63条 . 查询时间(0.093 秒)
We use simulated images to demonstrate a novel technique for mitigating geometric distortions caused by platform motion (“jitter”) as two-dimensional image sensors are exposed and read out line by lin...
Fundamental Matrix Estimation is of vital importance in many vision applications and is a core part of 3D reconstruction pipeline. Radial distortion makes the problem to be numerically challenging. We...
A fisheye lens is widely used to create a wide panoramic or hemispherical image. It is an ultra wide-angle lens that produces strong visual distortion. The distortion modeling and estimation of the fi...
Digital aerial photogrammetry has the virtue of high precision and efficiency, but the plane array of single digital camera is not wide enough, so the land coverage and base-height ratio of singledigi...
Most of current camera calibration methods for a non-metric digital camera adopt polynomials of image coordinates composed of terms representing the correction to the principal distance, the offsets o...
We show that the Lagrange dual problems of the channel capacity problem with input cost and the rate distortion problem are simple geometric programs. Upper bounds on channel capacity and lower bounds...
It is once again presented and discussed in this paper that the method of distortion calibration based on 2D Direct Linear Transformation (DLT) is easy and feasible. It is emphasized that it is fit f...
Video recording is widely used to capture images in locations prone to criminal activity, for example banking institutions. A vital piece of forensic evidence can often be the height determination of ...
In this paper, image formation will be investigated in detail. Data captured is a representation of data collected by two kinds of sensors widely in use in remotely sensed image processing application...
Recently, a camera self-calibration algorithm was reported which solves for pose, focal length and radial distortion using a minimal set of four 2D-to-3D point correspondences. In this paper, we prese...
In photogrammetric applications, the measurements are conducted on images given by optical imaging systems (cameras). In order to ensure the demanded accuracy, those cameras have to be well calibrated...
Four kinds of subdivision methods of Global Discrete Grid are presented in this paper. Furthermore, we systematically and comprehensively compare and analyze the distortion distribution and converge...
A spatial data management and analysis frame is required for global problem application. Global Discrete Grid (GDG) has seamless, excellent hierarchy characteristics. GDG has been used for spatial d...
The inlet-air distortion which was caused by high angle-of-attack flight was simulated by plugboard.Experiments were conducted on a transonic axial-flow compressor's rotor at 98% rotating speed.The fl...
We propose a low complexity intra-channel nonlinearity pre-distortion method based on symbol rate operation. The method is experimentally verified under a 43Gb/s DP-QPSK coherent system, and the perfo...

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