Browsing by Subject "IK04 - Skaitmeninės signalų apdorojimo technologijos / Digital signal processing technologies"
Now showing items 1-20 of 89
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A new method for adaptive selection of Self-Organizing Map self-training endpoint
(Baltic journal of modern computing (BJMC), 2015)The paper presents a new method for adaptive selection of Self-Organizing Map (SOM) self-training endpoint. A method is based on the estimation of the newly introduced parameter init and the learning depth parameter. In ... -
A new self-organizing map topology for real-time spectrum sensing and fast convergence
(EUROCON 2015 - International conference on computer as a tool (EUROCON), IEEE, Salamanca, 8-11 Sept. 2015, 2015)The paper presents a new modification of a self-organizing map topology to increase the speed of feature map convergence. The modification proposed in this paper is useful for real time spectrum sensing applications in ... -
A robust identification of the protein standard bands in two-dimensional electrophoresis gel images
(Electrical, control and communication engineering, 2017)The aim of the investigation presented in this paper was to develop a software-based assistant for the protein analysis workflow. The prior characterization of the unknown protein in two-dimensional electrophoresis gel ... -
Algorithm for real-time detection of heart rate from noisy ECG signals supported by continuous blood pressure analysis
(Electrical, Electronic and Information Sciences (eStream) : proceedings of the 2015 Open conference, 21 April, 2015, Vilnius, Lithuania / Vilnius Gediminas Technical University, 2015)The algorithm proposed in this paper is designed for robust identification of the heart beat annotations in multimodal data, consisting of ECG signal and one or several continuous arterial blood pressure signals. In case ... -
Alternative implementations of metabolic P system in FPGA
(AIEEE’2016 : 2016 IEEE 4th workshop on Advances in Information, Electronic and Electrical Engineering (AIEEE) : proceedings of the 4th IEEE workshop, November 10–12, 2016 Vilnius, Lithuania / edited by: Dalius Navakauskas, Andrejs Romanovs, Darius Plonis, 2016)Metabolic P (MP) system formalism is already proven to be applicable and useful in various fields of science, however knowledge about possibilities of MP system implementation in a hardware is limited. The use of a ... -
An efficiency analysis of augmented reality marker recognition algorithm
(Electrical, control and communication engineering, 2014)The article reports on the investigation of augmented reality system which is designed for identification and augmentation of 100 different square markers. Marker recognition efficiency was investigated by rotating markers ... -
An evaluation of hardware-software design for sound source localization based on SoC
(2017 Open Conference of Electrical, Electronic and Information Sciences (eStream) : proceedings of the conference, April 27, 2017, Vilnius, Lithuania / Vilnius Gediminas Technical University, 2017)The article presents an evaluation of sound source localization algorithm based on field-programmable gate array (FPGA) and ARM processor. The proposed architecture performs the computation of azimuth and elevation angles ... -
Analysis of identification of digital images from a map of cosmic microwaves
(Indian journal of physics, 2018)This paper discusses identification of digital images from the cosmic microwave background radiation map formed according to the data of the European Space Agency “Planck” telescope by applying covariance functions and ... -
Annotation of the medical images using quick response codes
(Computer science and information systems, 2017)The article proposes a novel annotating method of sufficient capacity and intended not only on-line but for off-line using for information preservation all advantages of two-dimensional barcodes. The semantic annotations ... -
Application of dynamic neural network for prediction of advertisement clicks
(2016 Open Conference of Electrical, Electronic and Information Sciences (eStream) : proceedings of the conference, April 19, 2016, Vilnius, Lithuania / Vilnius Gediminas Technical University, 2016)Paper focuses on the optimization of the advertising and other additional costs for the small business ecommerce web sites. The aim of this paper was to propose a dynamic neural network based algorithm to predict number ... -
Application of human visual system models to LCD image analysis
(AIEEE 2015. Advances in Information, Electronic and Electrical Engineering (AIEEE) : proceedings of the 2015 IEEE 3rd workshop, November 13–14, 2015 Riga, Latvia, 2015)Automated analysis of the segment LCD images may be utilized to detect hardware or software related problems of the device or LCD itself. The malfunction may be revealed through detection of faulty segments. Difficulties ... -
Application prospects of Metabolic P system
(Mokslas – Lietuvos ateitis : elektronika ir elektrotechnika = Science – future of Lithuania : electronics and electrical engineering, 2015)Metabolic P (MP) systems are a class of P systems and are based on metabolic process which is used by living organisms. We review for the purpose of experimental research the MP system development, implementation and ... -
Apšvietimo normalizavimo algoritmų tyrimas veidams atpažinti
(Mokslas – Lietuvos ateitis: Elektronika ir elektrotechnika = Science – future of Lithuania: Electronics and electrical engineering, 2017)Praktikoje taikomos veidų atpažinimo programos susiduria su daugybe iššūkių. Pagrindinis iš jų – sprendimams priimti taikomų algoritmų jautrumas šviesos variacijoms. Taikant esamus apšvietimo normalizavimo metodus dažniausiai ... -
Auto-encoder based ECG signal feature extraction for real-time detection of cardiac arrhythmias
(Biomedical engineering-2016 : proceedings of 20th international conference, 24-25 November, Kaunas, Lithuania / Kaunas University of Tecnology, Lithuanian Society for Biomedical Engineering, 2016)In this paper, we proposed to use an auto - encoder for ECG signal feature extraction and a QRS complex shape prediction error as an estimate of signal shape changes, related to arrhythmia. In order to estimate the efficiency ... -
Automated metabolic P system placement in FPGA
(Electrical, control and communication engineering / Riga Technical University, 2016)An original Very High Speed Integrated Circuit Hardware Description Language (VHDL) code generation tool that can be used to automate Metabolic P (MP) system implementation in hardware such as Field Programmable Gate Arrays ... -
Automatic adjustment of disparity in stereo view by eye activity based markers
(9th International workshop on Data Analysis Methods for Software Systems (DAMSS), Druskininkai, Lithuania, November 30 - December 2, 2017, 2017) -
Automation of metabolic P system implementation in FPGA: a case study
(AIEEE 2015. Advances in Information, Electronic and Electrical Engineering (AIEEE) : proceedings of the 2015 IEEE 3rd workshop, November 13–14, 2015 Riga, Latvia, 2015)Metabolic P (MP) systems were proposed by V. Manca in 2005. They evolved from and are based on membrane computing, also known as P systems. P systems have been implemented already, however there are no known equivalent ... -
Bidirectional Dynamic Time Warping algorithm for the recognition of isolated words impacted by transient noise pulses
(World academy of science, engineering and technology. International Journal of computer and information engineering, 2014)We consider the biggest challenge in speech recognition – noise reduction. Traditionally detected transient noise pulses are removed with the corrupted speech using pulse models. In this paper we propose to cope with the ... -
Binokulinės regos skaitinis modelis horizontalių erdvės koordinačių kodavimui
(Inžinerinės ir edukacinės technologijos = Engineering and educational technologies, 2016)Darbe pristatome binokulinės regos sistemos skaitinį modelį, atliekantį regimosios erdvės atvaizdavimą į jos subjektyvų suvokinį. Objekto, esančio horizontalioje regimosios erdvės plokštumoje, padėtis koduojama trimačio ... -
Biocheminių vaizdų charakteringųjų požymių sandara
(Mokslas – Lietuvos ateitis: Elektronika ir elektrotechnika = Science – future of Lithuania: Electronics and electrical engineering, 2016)Biochemijoje itin intensyviai pradedamos naudoti trimačio vaizdinimo technologijos. Jos leidžia greičiau ir naudojant mažiau resursų, išskirti vaizduose esančius požymius, reikalingus ląstelių savybėms bei biocheminių ...