In this paper, we develop a novel method for camera calibration and correction. The novel method first employs a rigidity constraint from the rigid rotation matrix and the radial alignment constraint from the pin-hole camera model to estimate both camera intrinsic and extrinsic parameters with a closed-form solution without considering the camera distortion. Then the well-known Levernburg-Marqu...

We derive and test an approximation for the angular power spectrum of galaxy number counts in flat sky limit. The standard density redshift space distortion (RSD) terms resulting are distinct to Limber approximation, providing accurate result multipoles as low $\ell\simeq10$, where corresponding is completely inaccurate. At equal accuracy RSD (standard) around 0.2% $z<3$ 0.5% at $z=5$, even $\e...

In 2 Monte Carlo studies of fixed- and random-effects meta-analysis for correlations, A. P. Field (2001) ostensibly evaluated Hedges-Olkin-Vevea Fisher-z and Schmidt-Hunter Pearson-r estimators and tests in 120 conditions. Some authors have cited those results as evidence not to meta-analyze Fisher-z correlations, especially with heterogeneous correlation parameters. The present attempt to repl...

aqueous polymer quenchants are being used increasingly in steel heat treatment industries as a substitution for conventional quenchants. by adjusting the quench parameters of the polymeric media, it is possible to achieve desirable microstructure and mechanical properties in addition to reduction in distortion and cracking. in this work, polyalkylene glycol (pag) aqueous solution was used as th...

Consider the problem of rate-constrained reconstruction of a finite-alphabet discrete memoryless signal X = (X1, . . . , Xn), based on a noise-corrupted observation sequence Z , which is the finite-alphabet output of a Discrete Memoryless Channel (DMC) whose input is X. Suppose that there is some uncertainty in the source distribution, in the channel characteristics, or in both. Equivalently, s...

The ability of nonlinear optical phase-conjugate mirrors (PCM's) to correct for linear refractive-index inhomogeneities has been demonstrated both theoretically1'2 and experimentally.2 Propagation media often possess intensity-dependent indices of refraction that cause severe propagation distortion, such as thermal blooming and self-focusing. These distortions are often manifested in high-inten...

Image distortion analysis is a fundamental issue in many image processing problems, including compression, restoration, recognition, classification, and retrieval. Traditional image distortion evaluation approaches tend to be heuristic and are often limited to specific application environment. In this work, we investigate the problem of image distortion measurement based on the theory of Kolmog...