Real walking offers higher immersive presence for virtual reality (VR) applications than
alternative locomotive means such as walking-in-place and external control gadgets, but …

Geo-tagging is a fast-emerging trend in digital photography and community photo sharing.
The presence of geographically relevant metadata with images and videos has opened up …

A system of generating a progressive representation associated with virtual and physical
reality image data is disclosed. The system receives virtual image data associated with a …

Social media has become a very popular way for people to share their photos with friends.
Because most of the social images are attached with GPS (geo-tags), a photo's GPS …

Painters and illustrators commonly sketch vanishing points and lines to guide the
construction of perspective images. We present a tool that gives users the ability to …

Standard selection techniques such as ray casting fail when virtual objects are partially or
fully occluded. In this paper, we present two novel approaches that combine cone-casting …

Content-based image classification is a wide research field that addresses the landmark
recognition problem. Among the many classification techniques proposed, the k-nearest …

Immersive navigation in virtual reality (VR) and augmented reality (AR) leverages physical
locomotion through pose tracking of the head-mounted display. While this navigation …

Fig. 1. Perceptual rasterization is a generalization of classic rasterization to the requirements
of HMDs such as foveation (top row) and rolling image formation (bo om row). On an HMD …

An important application of augmented reality (AR) is the design of interfaces that reveal
parts of the real world to which the user does not have line of sight. The design space for …