GPU Computing Gems Emerald Edition

Chapter 30. Visual Saliency Model on Multi-GPU

Anis Rahman, Dominique Houzet and Denis Pellerin

30.1. Introduction

Visual attention models translate the capability of human vision to concentrate only on smaller regions of the visual scene. More precisely, such regions are the spotlight of focus, which either may be an object or a portion of the scene. A number of modalities are used to locate regions of attention like intensity, color, orientation, motion, and many others. The attention model acts as an information-processing bottleneck to reduce the overall information into a region of useful information. When guided by salient stimuli, this model falls into a category of a bottom-up approach, which is fast and primitive. On the other hand, ...