Nicholas P. Sgouros

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An Autostereoscopic 3 0 viewing .system that operates on the principles of Integral PhotographyIP provides a imique sen.se of depth. full parallax and multi-view functionality. The inherent redundancy of these images results into great amounts of data that should be efficiently coded for transmission or storage operations. In this communication a method for(More)
Integral imaging is one of the most promising techniques for delivering three-dimensional content. Most processing tasks usually require prior knowledge of the size and positions of the elemental images that comprise an integral image. In this paper we propose an automated method for calibrating the acquisition setup, by applying a preprocessing stage to an(More)
In this article novel approaches for capturing 3D scenes are presented based on the technique of Integral Photography. The novelty in our method includes the development of robust, low complexity and high accuracy capturing devices using a depth control lens for managing the reconstruction of the 3D scene in front or behind the surface of the display(More)
– The interest for real three dimensional displays has been revived over the past few years, and the high resolution images that capturing and reproducing of 3D imagery demands, must be addressed with an efficient compression scheme. An area-efficient hardware implementation of a real-time disparity estimation scheme targeted to Integral Photography 3D(More)
One of the most promising techniques for visualizing three-dimensional objects is Integral Photography (IP). Two of the most common methods used in Computer Generated IP involve the development of simplified ray tracing algorithms for elementary 3D objects or the realization of pinhole arrays. We present an alternative technique based on the POV-Ray(More)
Large data volumes that are produced during multiview image generation have to be efficiently compressed in order to be stored or transmitted. Two main classes of encoders use transform coding techniques either by utilizing spatial prediction methods or by using higher degree transforms. Our work summarizes the various types of multiview image sets and the(More)
A computer method for the automatic analysis of specific fluorescence microscopy images, collected with a TUNEL assay procedure applied on human spermatozoa cells, has been developed in this work. In each image, the cells are shown in blue color while in the interior of every cell an area proportional to the degree of the cell DNA fragmentation has been(More)
Telecardiology is the use of telemedicine for remote cardiological monitoring and healing. The international shift from traditional healthcare to electronic healthcare and the various telecardiology solutions available worldwide motivated our efforts to design and develop the e-Herophilus platform implementing a strategy to improve the quality and(More)
Most processing tasks in three-dimensional (3D) applications share common ground in terms of algorithm design and implementation. Furthermore, time consuming tasks like 3D reconstruction of objects from generic multiview images and compression of massive amounts of 3D image data, require enormous data processing power, and in many cases computations should(More)
Integral Photography images exhibit high intra-pixel as well as inter-elemental-image correlation. In this work, we present an efficient, omnidirectional Integral Photography compression scheme based on a Hilbert curve scan and a three dimensional transform technique. 1. Introduction There are many compression schemes proposed for Integral Photography (IP)(More)