Implementation and Analysis of Power-constrained contrast enhancement algorithm using a sub-band decomposed MSRA for OLED display
Journal Title: International Journal of Research in Computer and Communication Technology - Year 2015, Vol 4, Issue 7
Abstract
This paper presents a power-constrained contrast enhancement algorithm for organic light-emitting diode display based on multi-scale retinex Algorithm (MSRA). In general, MSR, which is the key component of the proposed algorithm, consists of power controllable log operation and sub-band wise gain control. First, we decompose an input image to MSRAs of different sub-bands, and compute a proper gain for each MSRA. Second, we administer a coarse-to-fine ability ascendancy mechanism, which recomputed the MSRAs and gains. This footfall iterates until the ambition ability extenuative is accurately accomplished. With video sequences, the adverse levels of adjoining images are bent consistently application banausic adherence in adjustment to abstain ablaze artifacts. Finally, we present several enhancement abilities for real-time processing. Experimental after-effects appearance that the proposed algorithm provides bigger beheld superior than antecedent methods, and a constant power-saving arrangement after ablaze artifacts, even for video sequences.
Authors and Affiliations
N. Prasanthi, M. P. Venkatesh
Keywords
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