A fast and efficient content aware downscaling based image compression method for mobile devices
Rahul Upadhyay, Ajay Surendranath · 2017
Texture compression techniques have been of great interest especially for mobile phone industry due to the relatively smaller amount of memory available. Current texture compression encoding techniques are slow and CPU intensive, making it not suitable for on the fly encoding of uncompressed textures to compressed ones. To address this draw-back, we present a fast and effective approach to reduce the run-time memory footprint of images. We apply a compression mechanism which uses image downscaling adaptive to the image content. The compression technique does not cause any perceivable loss of quality. In our experiments we show that proposed method is on an average 6 dB higher in PSNR than Bi-linear uniform image downscaling technique at equal bits per pixel.