In this paper, we show the evolution from the earliest frame-by-frame synthetic actors to real-time perceptive actors living in distributed virtual environments or even in the real world. We first compare requirements and methods for frame-by-frame and real-time actors. Then, we introduce a new classification of synthetic actors with four categories: participants, guided actors, autonomous acto...

This paper proposes a novel method for synchronizing high frame-rate (HFR) camera with an HFR projector, using visual feedback-based synchronization algorithm streaming video sequences in real time on visible-light communication (VLC)-based system. The frame rates of the and projector are equal, their phases synchronized. A is used to mitigate complexities stabilization issues wire-based trigge...

The integration of a surveillance camera video with a three-dimensional (3D) geographic information system (GIS) requires the georeferencing of that video. Since a video consists of separate frames, each frame must be georeferenced. To georeference a video frame, we rely on the information about the camera view at the moment that the frame was captured. A camera view in 3D space is completely d...

PURPOSE Applicability of the AlignRT surface imaging system was extensively investigated for real-time motion tracking in radiation therapy of lung cancer. METHODS A 4D computer-controlled motion phantom was employed to simulate a human breathing motion. An anthropomorphic thoracic phantom (a coronal cross-sectional area: ∼1,200 cm2 ) was monitored during the 4D motion tracking. A breathing c...

In this paper we proved that every g-Riesz basis for Hilbert space $H$ with respect to $K$ by adding a condition is a Riesz basis for Hilbert $B(K)$-module $B(H,K)$. This is an extension of [A. Askarizadeh, M. A. Dehghan, {em G-frames as special frames}, Turk. J. Math., 35, (2011) 1-11]. Also, we derived similar results for g-orthonormal and orthogonal bases. Some relationships between dual fra...

In this paper, we present an implementation of an augmented reality interface for measurements of tissue stiffness using the tactile sensor. a developed augmented reality system provides real-time visualization of tissue stiffness measurements. A head-mounted display with a small video camera and a notebook computer are employed. Tracking of real-world objects is performed with a marker attache...

We introduced the continuous and discrete $p$-adic shearlet systems. We restrict ourselves to a brief description of the $p$-adic theory and shearlets in real case. Using the group $G_p$ consist of all $p$-adic numbers that all of its elements have a square root, we defined the continuous $p$-adic shearlet system associated with $L^2left(Q_p^{2}right)$. The discrete $p$-adic shearlet frames for...

GPS-denied closed-loop autonomous control of unstable Unmanned Aerial Vehicles (UAVs) such as rotorcraft using information from a monocular camera has been an open problem. Most proposed Vision aided Inertial Navigation Systems (V-INS) have been too computationally intensive or do not have sufficient integrity for closed-loop flight. We provide an affirmative answer to the question of whether V...