Bat Algorithm Based Non-linear Contrast Stretching for Satellite Image Enhancement
نویسندگان
چکیده
منابع مشابه
Contrast Enhancement Based on BAT Algorithm
In this research paper, an algorithm is developed to produce better contrast enhancement which is inspired from nature and calculates the upper and lower limit for each sliding window. These upper and lower limits are used to calculate the local mean and global mean. It is based on contrast objective function; this is parabolic logarithmic threshold function. The results show that, the method i...
متن کاملFuzzy Based Contrast Stretching for Medical Image Enhancement
Contrast Stretching is an important part in medical image processing applications. Contrast is the difference between two adjacent pixels. Fuzzy statistical values are analyzed and better results are produced in the spatial domain of the input image. The histogram mapping produces the resultant image with less impulsive noise and smooth nature. The probabilities of gray values are generated and...
متن کاملEvolutionary Contrast Stretching and Detail Enhancement of Satellite Images
In this paper we present a method of evolving the contrast characteristics of a satellite image by employing a real-coded genetic algorithm with subjective fitness. The contrast properties of an image are given by its contrast-stretching curve, and the task of the Genetic Algorithm is to evolve this curve in order to find the best shape according to some subjective fitness. The subjective fitne...
متن کاملDeveloping a PC-based portal image contrast enhancement program
ABSTRACTBackground: Delivering the radiation dose to the target volume and minimizing the dose to normal tissues are the main objectives in radiotherapy. The aim of our study is to enhance the contrast of the portal image to increase the accuracy of delineation of the organs in the irradiation field. Methods: The software was written based on local enhancement of the pixel values in image ma...
متن کاملAn AIHT based Histogram Equalization Algorithm for Image Contrast Enhancement
Histogram Equalization (HE) is an effective technique for contrast enhancement. However, the traditional HE method usually results in extreme over-enhancement, which causes the unnatural look and visual artifacts in the processed image. To solve the problem, we propose a novel Modulated Histogram Equalization (MHE) image contrast enhancement algorithm based on Adaptive Inverse Hyperbolic Tangen...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Geosciences
سال: 2020
ISSN: 2076-3263
DOI: 10.3390/geosciences10020078