نتایج جستجو برای: retinex single comparative scale

تعداد نتایج: 1620389  

Journal: :Science 1987
R A Young

"composed of tissue which is transitional between the body of the cerebellum and the acousticolateral area of the medulla oblongata. This auricle contains the primordia of the vestibular part of the cerebellar cortex...." Finally, the premammalian nucleus cerebelli appears, in mammals, to become "subdivided and incorporated within the cerebellar mass as the deep nuclei" (3). That vestibular cor...

2014
Anil Dutt

In this paper the recent trends for noise figure are streamlined in concurrence to Ultra Wide Band (UWB) radio transmission spectrum. A comparative study is made between design of single-stage differential low-noise amplifier and inductor-less broadband LNAs in a digital 45 nm CMOS technology. As we move from inductor less impedance to capacitive impedance, the average noise figure decreases in...

In this research, the results of comparative analysis of a single fuel droplet evaporation models are presented. Three well-known evaporation models including Spalding, Borman-Johnson and Abramzon-Sirignano models are analyzed using Computational Fluid Dynamic (CFD). The original Spalding model is extended to consider the effects of the Stefan flow, unsteady vaporization, and variable propertie...

Journal: :The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences 2023

Abstract. Camera traps generating a huge number of images help to study and monitor the wildlife. However, camera work at any time day under weather conditions. Therefore, many have low or high illumination, blurring, other defects. This complicates image analysis by both humans computer systems. In this study, we develop an adaptive illumination correction algorithm based on modified Multi-Sca...

Journal: :Journal of physics 2023

Abstract Aiming at the problems such as poor visual effect of infrared thermal imaging under low illumination conditions, an enhanced image recognition method based on wavelet decomposition is proposed for this paper. First, according to decomposition, divided into a low-frequency sub-band (LFS) and high-frequency (HFS) in each orientation, HFS orientation denoised using modified threshold func...

Journal: :Advances in transdisciplinary engineering 2022

s. Since the current substation robot inspection process exists in high-voltage switchgear status recognition is highly susceptible to influence of complex environments such as low image contrast, light clutter interference, and blurred reading details, this paper proposes an enhancement deep learning based state method. A multi-scale Retinex-based proposed enhance adaptability outdoor images c...

2014
Jason Chang Randi Cabezas John W. Fisher

We present a generative, probabilistic model that decomposes an image into reflectance and shading components. The proposed approach uses a Dirichlet process Gaussian mixture model where the mean parameters evolve jointly according to a Gaussian process. In contrast to prior methods, we eliminate the Retinex term and adopt more general smoothness assumptions for the shading image. Markov chain ...

Journal: :CoRR 2017
Uche Afam Nnolim

Abstract This report describes the experimental results obtained using a proposed variational Retinex algorithm for controlled illumination correction. Two colour restoration and enhancement schemes of the algorithm are presented for drastically improved results. The algorithm modifies the reflectance image using global and local contrast enhancement approaches and gradually removes the residua...

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