This paper provides a comprehensive survey of methods dealing with visibility enhancement of images taken in hazy or foggy scenes. The survey begins with discussing the optical models of atmospheric scattering media and image formation. This is followed by a survey of existing methods, which are grouped to multiple image methods, polarizing filters based methods, methods with known depth, and s...

Vehicles are part of people’s life in modern society, into which more and more high-tech devices are integrated, and a common platform for inter-vehicle communication is necessary to realize an intelligent transportation system supporting safe driving, dynamic route scheduling, emergency message dissemination, and traffic condition monitoring. TrafficView, which is a part of the e-Road project,...

Ú ̆ ‰ ‡ Ï , È Â ‡ · was an active, if not the most active, character throughout „ Â „ ’s reign. However, the character of È Â ‡ · and his brothers is foggy and puzzling. Although many of us have been taught to classify figures in Tanach into the roles of either ¢ ˆ „ È ̃ ¢ or ¢ ̄ ̆ Ú ¢ to further our understanding of the manifest context © Ù ̆ Ë ® and latent meaning © „ ̄ ̆ ® of the text, È Â ‡ · and ...

The goal of Haze Removal algorithms is to recover and enhanced the scene from foggy image. Many applications need accurate Haze Removal algorithms. The de-fog feature works through a complex algorithm which based on the fog destiny of the scene, then analyses the atmospheric light and sharpness adjustments to produce image enhancement. In contrast with existing technology the proposed method fo...

hilarity and movement (presumably including eye movement) during the compression phase due to the combined effects of warmth and nitrogen narcosis, thus assisting the flow of nitrogen-laden tears between the lens and cornea, while during decompression the chamber was, as is usual, rather cold and foggy, with the subjects relatively immobile, thus minimizing any flow of tears which might have he...

Detecting a horizontal line in an infrared image is an important component of automatic surveillance applications such as detecting ships, missiles on the horizon, unmanned aerial vehicle control, flight navigation, and port security. Most of the existing solutions for the problems only use single image to detect horizon line. Although this results in good accuracy for some images, it often fai...

An ultraviolet (UV) signal transmission undergoes rich scattering and strong absorption by atmospheric particulates. We develop a path loss model for a Non-Line-of-Sight (NLOS) link. The model is built upon probability theory governing random migration of photons in free space, undergoing scattering, in terms of angular direction and distance. The model analytically captures the contributions o...

In this study, various laboratory and field tests were performed to develop an effective automated particle-bound ROS sampling-analysis system. The system uses 2' 7'-dichlorofluorescin (DCFH) fluorescence method as a nonspecific, general indicator of the particle-bound ROS. A sharp-cut cyclone and a particle-into-liquid sampler (PILS) were used to collect PM(2.5) atmospheric particles into slur...

among the various complex and challenging tasks of upcoming road vehicles, one is road detection or road boundaries detection. Many people die every year in roadway departure crashes caused by driver inattention in most of the cases. Lane detection systems are helpful in avoiding these accidents as safety is the major purpose of these systems. Such systems have the objective to detect the lane ...

The contrast of outdoor images acquired under adverse weather conditions, especially foggy weather, is altered by the scattering of daylight by atmospheric particles. As a consequence, different methods have been designed to restore the contrast of these images. However, there is a lack of methodology to assess the performances of the methods or to rate them. Unlike image quality assessment or ...