Zobrazují se záznamy 1-10 z 18
Analysis of Resolution in Aerial Earth Surface Photography
(Společnost pro radioelektronické inženýrství, 2011-04)
The paper deals with a simplified analysis of subjective resolution of an aerial sensing system for Earth surface photography in the visible light spectrum. The proposed simplified linear method allows approximate estimation ...
Digital Realization of the Test Signal Generator Sin^2 20T
(Společnost pro radioelektronické inženýrství, 2002-04)
The paper deals with the digital implementation of the generator of test signal sin^2 20T. This function has a limited spectrum in the luminance and chrominance areas of the color composite signal. The signal is frequently ...
DEIMOS – an Open Source Image Database
(Společnost pro radioelektronické inženýrství, 2011-12)
The DEIMOS (DatabasE of Images: Open Source) is created as an open-source database of images and videos for testing, verification and comparing of various image and/or video processing techniques such as enhancing, compression ...
Single Frequency Networks (SFN) in Digital Terrestrial Broadcasting
(Společnost pro radioelektronické inženýrství, 2007-12)
The paper deals with principles and properties of single frequency networks of digital television and radio transmitters. Basic definitions and contextual relationships (guard interval, area of SFN, influence of used ...
Computer Simulation of the Transmission Channel Influence in the Video Signal
(Společnost pro radioelektronické inženýrství, 1999-04)
This article contains the time-spatial and spectral description of video signals. There are described methods for computer simulations of real transmission channels and for determination of their influence upon the video ...
Contactless Area Measurement (Contactless Planimeter)
(Společnost pro radioelektronické inženýrství, 2008-06)
The paper describes the designed hardware and software systems (so-called planimeters) for contactless measurement of areas (eventually geometric distances between two selected points) of planar projections of various ...
Estimating PSNR in High Definition H.264/AVC Video Sequences Using Artificial Neural Networks
(Společnost pro radioelektronické inženýrství, 2008-09)
The paper presents a video quality metric designed for the H.264/AVC codec. The metric operates directly on the encoded H.264/AVC bit stream, parses the encoding parameters and processes them using an artificial neural ...
Optoelectrical Method of Measuring the Aircraft Track Velocity Vector
(Společnost pro radioelektronické inženýrství, 1992-5)
This article deals with new principal and basic algorithm of the optoelectronics measuring method of aircraft track velocity vector using digital processing of video signals of CCD line sensors.
Analog Switch for Video Signals
(Společnost pro radioelektronické inženýrství, 1997-09)
The paper is devoted to the development of the analog electronic switch for video signals. The simple linear equivalent diagram of the integrated circuit CMOS 4066 on the basis of measurements its transfer characteristics ...
Comb Filters with Analog Shift Registers BCCD
(Společnost pro radioelektronické inženýrství, 1995-09)
This contribution deals with the concept and circumferential structure of comb filter for video signal processing. The comb filter was implemented by means of an analog shift register CCD (BCCD). The main conclusions, ...