Geração de trimaps em tempo real utilizando o kinect

Abstract

The precise segmentation of layers using alpha matting is very important for applications in the areas of visual effects in movies and television. The main problem of existing matting approaches is that they require an assumption of objects in the foreground and background regions to obtain a good result. This work presents the automatic trimaps generation in real-time to specify regions of an image from depth information acquired through Kinect sensors to specify the foreground regions, background regions and unknown regions through trimaps, allowing the use of algorithms for alpha matting in uncontrolled environments. With the results of this technique, images and videos may take advantage of this technology, enabling the segmentation of bodies in real-time, since you no longer need manual user input for specifying trimaps.