IEEE Trans Image Process - A new hardware-efficient algorithm and reconfigurable architecture for image contrast enhancement.

Tópicos

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Resumo

Contrast enhancement is crucial when generating high quality images for image processing applications, such as digital image or video photography, liquid crystal display processing, and medical image analysis. In order to achieve real-time performance for high-definition video applications, it is necessary to design efficient contrast enhancement hardware architecture to meet the needs of real-time processing. In this paper, we propose a novel hardware-oriented contrast enhancement algorithm which can be implemented effectively for hardware design. In order to be considered for hardware implementation, approximation techniques are proposed to reduce these complex computations during performance of the contrast enhancement algorithm. The proposed hardware-oriented contrast enhancement algorithm achieves good image quality by measuring the results of qualitative and quantitative analyzes. To decrease hardware cost and improve hardware utilization for real-time performance, a reduction in circuit area is proposed through use of parameter-controlled reconfigurable architecture. The experiment results show that the proposed hardware-oriented contrast enhancement algorithm can provide an average frame rate of 48.23 frames/s at high definition resolution 1920 ? 1080.

Resumo Limpo

contrast enhanc crucial generat high qualiti imag imag process applic digit imag video photographi liquid crystal display process medic imag analysi order achiev realtim perform highdefinit video applic necessari design effici contrast enhanc hardwar architectur meet need realtim process paper propos novel hardwareori contrast enhanc algorithm can implement effect hardwar design order consid hardwar implement approxim techniqu propos reduc complex comput perform contrast enhanc algorithm propos hardwareori contrast enhanc algorithm achiev good imag qualiti measur result qualit quantit analyz decreas hardwar cost improv hardwar util realtim perform reduct circuit area propos use parametercontrol reconfigur architectur experi result show propos hardwareori contrast enhanc algorithm can provid averag frame rate framess high definit resolut

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