Digital Color Image required large amount of space to store and large bandwidth to transmit it. Due to limitations in bandwidth and in storage space, it is vital requirement to compresses digital color image. Color image compression is required with negligible loss in image quality for the effective use of further restored image. To meet this, numerous image compression techniques are developed in last several years. This paper analyses these techniques and presents a compression among them to find out the best method for digital color image compression. The objective of this paper is also to find out the best approach for developing new way of digital color image compression with minimum loss in image quality.
Abstract:Multiplexing is a technique that increases channel capacity and reduces the cost of overall system. In this paper five user Absolute Polar Duty Cycle Division Multiplexing (APDCDM) is done in electrical domain. Here each user generates different RZ duty cycle pulses and data rate of 20Gbps, the 100Gbps signal is transmitted through a Standard Single Mode Fibre. It has been observed that at the signal is successfully transmitted up to 75 Km distance and Q-factor also calculated as 15dB.
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