ALGORITHMIC AND METHODOLOGICAL BASIS OF IMAGE PROCESSING SYSTEMS DEVELOPMENT
A METHOD FOR GEOSPATIAL OBJECT SHADOW LOCALIZATION IN DIGITAL AEROSPACE
IMAGES
Sergey Yu. Miroshnichenko, Vitaly S. Titov
7
A method is proposed for localization of a geospatial object shadow in aerospace image. The method makes it possible to increase the accuracy of thematic layers formation in electronic charts of geoinformation system on the base of aerospace images. The improvement is obtained through elimination of false objects caused by the shadows with the use of digital image processing methods.
ALGORITHM OF GIS OBJECTS SELECTION ON THE BASE OF TOPOLOGICAL RULES
Dmitry Y. Andrianov, Vitaly S. Titov
14
An approach is considered to group analysis of cartographic objects based on topological relations. A concept of array of topological relations matrices is introduced, the matrices containing information on correlation between the objects. The approach makes it possible to perform objects selection in accordance with given rules.
FRACTAL APPROXIMATION ALGORITHM FOR IMAGE COMPRESSION IN OPTOELECTRONIC
SYSTEMS OF PRODUCTION QUALITY CONTROL
Evgeny V. Ershov, Lyudmila N. Vinogradova, Elena S. Shumilova
19
An algorithm is described of fractal approximation for compression of images obtained with opto-electronic system of production quality control. Application of fractal distribution for increased data archivation rate is substantiated. Results of practical application of the algorithm in real manufacturing work conditions are presented.
SPATIAL-TEMPORAL RANK ALGORITHMS FOR SELECTION OF SMALL-SIZED OBJECTS
AGAINST A COMPLEX BACKGROUND
Igor V. Galchuk, Anatoly G. Kostevich, Mikhail I. Kouryatchy
22
Rank algorithms for small-sized object selection from a sequence of TV images are analyzed. The problem of resolution of closely set small-sized objects against a complex background is considered.
COMPLETE COMPUTER-ADDED PROCESSING OF ULTRASOUND HEART IMAGES SEQUENCE
Sultan S. Sadykov, Сафиулова И. А., Maxim I. Tkachuk
27
Development of computer-added system for complete processing and analysis of ultrasound images is discussed. The proposed system has a modular structure. Each of the modules performance is described and peculiarities of realized algorithms are observed. Several results obtained with the system are presented and comparative analysis of the data is given.
METHOD OF OBSTACLE DETECTION BEFORE A VEHICLE BY STEREO VISION SYSTEM
Maxim I. Truphanov, Sergey V. Prilutskiy
33
A method is proposed for detection of obstacles before a moving vehicle. The method is based on analysis of images obtained with a binocular system of technical vision. A wide range of detected obstacle and accuracy of obstacle coordinates estimates with the use of the method are reported.
LIGHT SCATTERING EFFECT ON TELEVISION IMAGE
Yury R. Kirpichenko, Ivan N. Pustynsky
38
Improved relations between irradiance distributions across optical image and initial object are obtained for the case when object-to-lens distance and spacing between the lens and image plane are commensurable. Effect of light scattering on image properties at sensitive plane of TV transducer is studied.
ELIMINATION OF NOISE FORMATIONS IN VIDEO SYSTEM WITH HIGH-SENSITIVE TV
TRANSDUCER
Igor V. Galchuk, Anatoly G. Kostevich, Mikhail I. Kouryatchy
42
An algorithm is proposed for effective elimination of scintillations observed in video system on the base of high-sensitive TV receiver with electro-optical transducer.
COMPARISON OF VARIOUS APPROXIMATIONS FOR DIFFUSION DISK OF NONABERRATIONAL
LENS
Ekaterina V. Zaitceva
47
Various approximations for irradiance distribution across diffusion disk of non-aberrational lens are considered. Contrast in the image of two point sources at minimal resolved separation is calculated and accuracy of results for each of the approximations under examination is analyzed.
OPTO-ELECTRONIC DEVICES AND SYSTEMS
MODULAR BUILT-IN INTELLIGENT OPTO-ELECTRONIC VIDEO DETECTION SYSTEM
Alexander S. Sizov, Dmitry V. Titov, Maxim I. Truphanov
52
A built-in optical-electronic system is presented which affords data analysis, widening and variation of the system functional capabilities. The system can be applied in computer-added observation systems for control over a given territory and object detection.
CONTROL BLOCK OF AUTOMATED SYSTEM FOR LABEL GLUING TO MOBILE OBJECT
Vladimir S. Panishchev, Veronica P. Reshetnikova, Irina E. Chernetskaya
58
An operating control block of automated system for self-adhesive label installation to moving object from a tape is presented.
COMPUTING TECHNIQUE
HARDWARE-LEVEL IMPLEMENTATION OF SUBTREE INSERTION IN PROCESSING OF
R-EXPRESSIONS
Eduard I. Vatutin, Igor V. Zotov, Vitaly S. Titov, Mudjib M. Al-Ashval
63
A device is described which allows for implementation of procedure of subtree insertion into a tree when hardware-level processing of R-expression is carried out. The procedure is reported to appear in execution of equivalent transformation of parallel algorithms.
ELEMENTARY BASE OF OPTO-ELECTRONIC DEVICES AND SYSTEMS
METHOD OF ZERO DRIFT CORRECTION IN OPERATIONAL AMPLIFIER
Vitaly S. Titov, Maxim V. Bobyr, Natalia A. Milostnaya, Anna L. Belomestnaya
72
Optical-electronic system with operational amplifiers used for comparison of slowly varying sensor signals is considered. Methods of zero drift correction employed in such systems are analyzed. A new method is proposed which ensures compensation of output signal bias voltage.
COMPARISON OF SENSITIVITY OF TRANSISTOR AND VACUUM-TUBE VIDEO AMPLIFIERS
Viktor N. Maslennikov
75
Noise characteristics are compared of transistors and vacuum tubes in video amplifiers connected to TV tube (source of current). Relations are derived which allow for optimal choice of active elements for video amplifier.
BENCH FOR TESTING OF OPTO-ELECTRONIC DEVICES
Dmitry V. Titov
80
A bench for testing of optical-electronic devices is presented. The bench makes it possible to improve reliability of test results due to standard air characteristics maintained by pressure control in heat chamber.
POWER-SUPPLY UNIT FOR ACTIVE PULSE TELEVISION SYSTEM
Boris I. Avdochenko, Vladimir F. Konovalov
83
A universal power-supply unit for experimental study of active pulse TV system is developed. The unit is used for laser IR searchlight pumping and quick synchronous charging of capacitors of microchannel plate and electro-optical transducer photocathode.
