Vision area parameters analysis for active-pulse television-computing systems

Kapustin, Viacheslav V.; Movchan, Andrey K.; Kuryachiy, M

doi:10.1109/sibcon.2017.7998432

Cited by 8 publications

(5 citation statements)

References 3 publications

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“…The dependence of the energy value of the light flux reflected from a separate object during one video frame obtained from the AP TMS photodetector is determined by the active vision area (AVA) [5]. AVA is created by emitting a space illumination pulse (SIP) from the pulsed laser semiconductor emitter (PLSE) and receiving the reflected light flux by a photodetector during the open state of the shutter.…”

Section: Active-pulse Television Measuring System 21 General Informat...mentioning

confidence: 99%

Building Depth Maps Using an Active-Pulse Television Measuring System in Real Time Domain

Musikhin,

Kapustin,

Tislenko

et al. 2024

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The paper presents the results of software development for building depth maps based on video data from a television camera of an active-pulse television measuring system (AP TMS) in real time domain. The development of such software is required to conduct various scientific studies, as well as to improve the methods and techniques for building depth maps and remote measurement of the characteristics of objects of interest. The software was implemented using the Python programming language with additional libraries installed. According to the results of testing the implemented algorithm, it was found that the calculation speed using the graphics processing unit (GPU) is on average 3.5 times higher than the speed of the algorithm using only the central processing unit (CPU). It has been established that with the help of CUDA cores it is possible to build depth maps in real time domain at the maximum possible resolution of video frames of the system (1544x2064 pixels), while when using the central processor, real-time operation is possible only at a reduced resolution of video frames (772x1032 pixels).

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Section: Active-pulse Television Measuring System 21 General Informat...mentioning

confidence: 99%

Building Depth Maps Using an Active-Pulse Television Measuring System in Real Time Domain

Musikhin,

Kapustin,

Tislenko

et al. 2024

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“…An integral part of the modern world has become images obtained, for example, in systems that solve problems in the formation of biomedical images (X-ray, computed tomography, etc. [1]) or in vision systems in difficult weather conditions [2]. The priority is to reduce the acquisition of the output image in order to bring operations closer to real-time.…”

Section: Introductionmentioning

confidence: 99%

High-speed recursive-separable image processing filters with variable scanning aperture sizes

Kamenskiy,

Kuryachiy,

Krasnoperova

et al. 2023

Computer Optics

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In the process of development of computer technologies, the number of areas of their application naturally grows and, along with it, the complexity of the tasks to be solved, which entails the need for new research. Similar tasks include digital filtering of images in the field of medical technologies and active-pulse television measuring systems. There are many methods and algorithms of digital filtering designed to solve the problem of improving the quality; algorithms that can improve the quality of images while reducing computational costs are widely used. High demands, which are made due to the constant growth in the size of the generated images, as well as the requirement for modern television systems, is real-time operation. When solving practical problems, it is required to use different filter aperture sizes, which provide an increase in quality and preservation of image details. The solution of these problems was the reason for the emergence of adaptive filters that are able to change the parameters in the process of processing the received data, while not spending additional time on processing with an increase in the size of the aperture. The paper presents the principles of constructing adaptive image processing filters, which, by obtaining an input parameter indicating the required dimension of a multi-element aperture, are able to implement the construction of the required aperture. The Laplacian “Truncated Pyramid” filter and the “double pyramid” Laplacian were modified. A feature of these filters is the oddness of the multi-element aperture, so the coefficient used to build the mask is always set to odd. When using these filters, it is possible to use two coefficients that are responsible for increasing the filtration efficiency, since, in their original form, the Laplacian filters have a sum of coefficients equal to zero. The experiment shows a comparison with high-dimensional filters that work when using classical two-dimensional convolution. The next stage of the presented research will be the application of parallel computing techniques, which will increase the speed of the developed filters.

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“…В настоящее время цифровая обработка изображений является неотъемлемой частью современных видеоинформационных систем, отвечающих за обработку и передачу мультимедийной информации, получение и обработку медицинских изображений, машинное зрение и робототехнику, сейсмологию и др. [1]. В процессе получения изображения оно подвергается различным воздействиям, например, появляются шумовые искажения, вследствие чего ухудшается качество изображения.…”

Section: Introductionunclassified

Influence of Non-Equilateral Apertures on the Characteristics of Digital Filters "Truncated Pyramid" Laplacian and "Double Pyramid" Laplacian

Kupriyanova,

Rylov,

Kamenskiy

2023

Proceedings of the 33rd International Conference on Computer Graphics and Vision

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In the process of processing digital images, an important role is played by increasing the efficiency of the applied methods and processing algorithms. One way to improve efficiency is to convert spatial filters into recursively separable digital filters. The use of such filters makes it possible to reduce the number of computational operations. This article presents digital recursively-separable Laplacian filters "truncated pyramid" and "double pyramid" converted into non-equilateral form. This transformation allows to further reduce the number of computational operations and speed up the processing. Also, the article discusses the principle of operation of these filters, their structure and operation algorithm. Based on the results of image processing by a digital recursively separable filter Laplacian "double pyramid", the quality of processing by a filter with a base mask of 7x7 elements and non-equilateral apertures is evaluated and compared.

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Vision area parameters analysis for active-pulse television-computing systems

Cited by 8 publications

References 3 publications

Building Depth Maps Using an Active-Pulse Television Measuring System in Real Time Domain

Building Depth Maps Using an Active-Pulse Television Measuring System in Real Time Domain

High-speed recursive-separable image processing filters with variable scanning aperture sizes

Influence of Non-Equilateral Apertures on the Characteristics of Digital Filters "Truncated Pyramid" Laplacian and "Double Pyramid" Laplacian

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