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Hybrid Compression of Color Mosaic Images Using Histogram Based Segmentation

M. Mohamed Sathik, K. Senthamarai Kannan, Y. Jacob Vetha Raj

Abstract


Color Filter Arrays (CFAs) are used in Single sensor cameras to capture the images. The sensors in a CFA are arranged based on Bayer pattern to capture any one of the Red, Green or Blue components of a pixel. The image captured by this type of CFAs is known as mosaic image. The compression ratios achieved while compressing these mosaic images are normally low for all the classical compression methods. Different strategy has to be adopted for compressing mosaic images due to the roughness caused by interleaving of components. This paper proposes a hybrid method by which the mosaic images are compressed by preserving the main subject after segmenting using histogram. The background of the image is stored with some level of loss. Compression ratio is increased by using the proposed hybrid method than the existing methods.

Keywords


Image Compression, Mosaic Image, Segmentation

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References


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