Results 61 to 70 of about 279,749 (138)

Adaptive Haze Removal for Single Remote Sensing Image

IEEE Access, 2018
Haze is a common phenomenon in remote sensing images, which limits their applications. In this paper, a novel adaptive dehazing method is proposed for remote sensing images. First, a new prior, namely, dark channel-saturation prior, is developed based on
Fengying Xie, Jiajie Chen, Xiaoxi Pan, Zhiguo Jiang   +3 more
doaj   +1 more source

Intensity-based gain adaptive unsharp masking for image contrast enhancement [PDF]

, 2012
With the increasing application of image processing techniques in various areas, contrast enhancement still remains as a core pre-processing element that critically affects the performance of subsequent procedures. Among the available enhancement methods,
Shi, HY, N. M. Kwok, G. Fang, Ha, Quang P., Shi, Haiyan, Kwok, NM, Ha, QP, H. Y. Shi, Fang, G, Fang, Gu (R7659), Q. P. Ha, Kwok, Ngai M.   +11 more
core   +1 more source

Region Based CNN for Foreign Object Debris Detection on Airfield Pavement

Sensors, 2018
In this paper, a novel algorithm based on convolutional neural network (CNN) is proposed to detect foreign object debris (FOD) based on optical imaging sensors.
Xiaoguang Cao, Peng Wang, Cai Meng, Xiangzhi Bai, Guoping Gong, Miaoming Liu, Jun Qi   +6 more
doaj   +1 more source

Optical classification of images at different wavelengths using spectral diffractive neural networks

Компьютерная оптика
A solution of several different problems of image classification at several different wavelengths using a diffractive neural network (DNN) consisting of sequentially located phase diffractive optical elements (DOEs) is considered.
G.A. Motz, D.V. Soshikov, L.L. Doskolovich, E.V. Byzo, E.A. Bezus, D.A. Bykov   +5 more
doaj   +1 more source

Near-Infrared Band Synthesis From Earth Observation Imagery With Learned Location Embeddings and Task-Driven Loss Functions

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
The acquisition of near-infrared (NIR) imagery is crucial for various remote sensing (RS) applications but is often unavailable in RS datasets, providing only the red–green–blue (RGB) bands.
Simon Donike, Cesar Aybar, Julio Contreras, Luis Gomez-Chova   +3 more
doaj   +1 more source

Optimum non linear binary image restoration through linear grey-scale operations [PDF]

, 2003
Non-linear image processing operators give excellent results in a number of image processing tasks such as restoration and object recognition. However they are frequently excluded from use in solutions because the system designer does not wish to ...
Marshall, S.
core  

Gradient method for designing cascaded DOEs focusing radiation of different wavelengths

Компьютерная оптика
The design of cascaded diffractive optical elements (DOEs) generating several specified intensity distributions for several incident beams with different wavelengths is considered.
G.A. Motz, D.V. Soshikov, L.L. Doskolovich, E.V. Byzov, E.A. Bezus, D.A. Bykov   +5 more
doaj   +1 more source

Airport Detection Using End-to-End Convolutional Neural Network with Hard Example Mining

Remote Sensing, 2017
Deep convolutional neural network (CNN) achieves outstanding performance in the field of target detection. As one of the most typical targets in remote sensing images (RSIs), airport has attracted increasing attention in recent years.
Bowen Cai, Zhiguo Jiang, Haopeng Zhang, Danpei Zhao, Yuan Yao   +4 more
doaj   +1 more source

Image processing in echography and MRI [PDF]

, 2005
This work deals with image processing for three medical imaging applications: speckledetection in 3D ultrasound, left ventricle detection in cardiac magnetic resonance imaging(MRI) and flow feature visualisation in velocity MRI.For speckle detection, a ...
Carmo, Bernardo S., Carmo, Bernardo S
core  

Multi-Focus Image Fusion Through Gradient- Based Decision Map Construction and Mathematical Morphology

IEEE Access, 2016
Multi-focus image fusion is an important technique that extracts sharp regions from multiple images and composites them into a fully focused image. In this paper, a novel spatial domain-based fusion algorithm for multi-focus images through gradient-based
Xiangzhi Bai, Miaoming Liu, Zhiguo Chen, Peng Wang, Yu Zhang   +4 more
doaj   +1 more source