 In this paper, we propose a multi-view image coding system that operates directly in 3-D space, and it is based on 3-D scene reconstruction. Unlike existing multi-view image coding schemes, in which the 3-D scene information of the images to be encoded is represented by a mesh model as well as the texture data, we use a 3-D voxel model to represent the 3-D scene information of the considered ...

Real-time global illumination is an extremely challenging problem because of its intrinsic complexity due to the interplay between complex geometry, multiple light bounces, and stringent real-time frame-rate requirements. In this paper, we present a new technique that enables computation in generic scenes for diffuse surfaces static geometry. Our combines voxel-based representation scene, voxel...

AIM We sought to identify the relationship between regional cerebral blood flow (rCBF) and error types on the Clock Drawing Test (CDT) in patients with Alzheimer's disease (AD). METHOD The CDT was administered to 142 patients with AD. We used the Mendez scoring method. Their rCBF values were measured by single-photon emission computed tomography. The correlation between the CDT total score an...

Task environments developed in Minecraft are becoming increasingly popular for artificial intelligence (AI) research. However, most of these currently constructed manually, thus failing to take advantage procedural content generation (PCG), a capability unique virtual task environments. In this paper, we present mcg, an open-source library facilitate implementing PCG algorithms voxel-based such...

In this paper, computer vision and fuzzy set theory are merged for the robust construction of three-dimensional objects using a small number of cameras and minimal a priori knowledge about the objects. This work extends our previously defined crisp model, which has been successfully used for recognizing and linguistically summarizing human activity. The objects true features more closely resemb...

A three dimensional digital binary image is B26 connected if its set of black voxels is 26-connected, i.e. for all black voxels there exists at least one black voxel among its 26 neighbors. We show that any two such images I and J of c1 and c2 number of connected components respectively and n voxels each, can be transformed into one another maintaining the B26 connectivity of the black voxels b...

Introduction: We present a model of simulation of diffusion in white matter. This model has been used in Diffusion Weighted Imaging researches as a tool for employing cylindrically constrained two-tensor models to identify two independent directions within a voxel and assessing the orientation angle as a parameter that influence on fractional anisotropy.   Materials a...