Patent ID: 8432491
Filing Date: 2013-04-30
Classification: H04N

Abstract:
1. An object-based method of directing visual attention by a subliminal cue, comprising: detecting an object in an input image, thereby resulting in a cued object served as an object-based subliminal cue; enhancing saliency of the cued object in the input image by respectively and differently adjusting an image characteristic of the cued object and an area other than the cued object, thereby generating a cue image; and mixing by selecting between the cue image and the input image, thereby resulting in a sequence of output images composed of the input images and the cue images, each of which is interposed between the adjacent input images; wherein the cue image C is expressed as follows: wherein I denotes the input image, x and y, respectively, denote horizontal and vertical positions of a pixel, r is defined by r2=(x−xf)2+(y−yf)2, where (xf,yf) and rf, respectively, denote central coordinates and radius of a circle corresponding to the cued object.