People detection is an interesting computer vision topic. Locating people in images and videos have many potential applications, such as human computer interaction and auto-focus cameras. There have been much effort on developing people detection algorithms, and among them, the “Dense ScaleInvariant Feature Transform (DSIFT) [1]” algorithms appear to be very effective. To implement our own peop...

hepatitis b virus (hbv) is considered as a global health concern and hepatitis b surface antigen (hbsag) is the most immunogenic protein of hbv. the purpose of this study was to evaluate the expression of hbsag on the cell surface of human embryonic kidney cell line (hek293t). after transformation of expression vector pcdna/hbsag to e.coli top10f’, plasmid was extracted and digested with bglii....

Computer vision researchers are developing new approaches to object recognition and detection that are based almost directly on images and avoid the use of intermediate three-dimensional models. Many of these techniques depend on a representation of images that induce a linear vector space structure and in principle requires dense feature correspondence. This image representation allows the use...

The objective was to study the relative contributions of optical aberrations of the cornea and determine the irregularities across its surface area. Corneal topographic imaging data is used and corneal aberrations are computed by using corneal height maps. Mathematical modeling of cornea surface is developed by using Zernike polynomials and they are compared with the patient corneas. Simulation...

Structures exhibiting strong comprehension properties have been utilized in different fields of Mathematical Logic and Theoretical Computer Science. Although the techniques employed and the intended applications are quite different, these structures are essentially alike. Starting from a general definition of Hyperuniverse, we present here a comprehensive framework for investigating these struc...

Increasing life standards, developing technology, growing importance of food quality and safety lead food industry to search new analysis methods. In addition, high consumer expectation and increasing population forces manufacturers to find fast and accurate techniques. The present study was aimed to prepare a summary about computer aided image processing systems covering working principles and...

In this work we present the analysis and decissions taken to develop a distributed raytracing system. We will detail the options analyzed, as well as the solutions adopted to get a multiplatform and flexible system under the client-server paradigm. In this way, the system will improve the performance of computer based animation workers that make use of raytracing techniques. Moreover, due to mo...

LINKÖPING Technical reports from the Automatic Control group in Linkk oping are available as UNIX-compressed Postscript les by anonymous ftp at the address ftp.control.isy.liu.se. Abstract. The computation of possible stationary orientations of an aircraft subjected to constraints on actuators is treated using methods from computer algebra. The same techniques are also used to investigate possi...