Image Enhancement is one of the most important and complex techniques in image processing technology. The main aim of image enhancement is to improve the visual appearance on an image and to offer a better representation of the image for Computer Vision Algorithms. In this paper,we is covered a few application fields of image enhancement with various images like grayscale, color, infrared and even with videos. The main objective of this paper is to highlight the drawbacks of the state of the art image enhancement techniques.
Modern wireless and mobile communication system requires antenna which should have light weight, low profile, low cost and easy to integrate with RF devices. This demand is completed by microstrip antennas. The paper presents an upgraded configuration of compact T-shaped microstrip patch antenna on 1.6mm FR-4 substrate, The antenna design is optimized to improve the performances like gain and input match. The microstrip patch antenna is simulated using Sonnet Software. The proposed design is developed to be used as transmitting antenna operating at 2.4 GHz radio signals with bandwidth ranging from 2.2 GHz to 2.6 GHz, and with input match S11 less than -35dB on 2.4GHz frequency. The gain of the proposed antenna is 7.28 dB. The antenna was fabricated and measured results match with simulated in terms of frequency but measured S11 is lower due to lossy dielectric FR-4.
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