Biomass torrefaction technologies
Tatarek, Andrzej
2014 - English Keywords: biomasa; technologie sušení; biomass; torrefaction technologies Available in digital repository of ZČU. Biomass torrefaction technologies

Tatarek, Andrzej
Západočeská univerzita v Plzni, 2014

Online speaker diarization
Kunešová, Marie
2014 - English Keywords: automatické zpracování řeči; diarizace; výkon; automatic speech processing; diarization; performance Available in the ZČU Library. Online speaker diarization

Kunešová, Marie
Západočeská univerzita v Plzni, 2014

OBOX: the orchestration BOX for Raspberry Pi
Severa, Ondřej
2014 - English Keywords: JVM; ARM; SOA; JVM; ARM; SOA Available in the ZČU Library. OBOX: the orchestration BOX for Raspberry Pi

Severa, Ondřej
Západočeská univerzita v Plzni, 2014

The use of the unconstrained cohort normalization technique for multi-label classification score normalization
Skorkovská, Lucie
2014 - English Keywords: multi-label klasifikace textu; identifikace tématu; normalizace skóre; multi-label text classification; topic identification; score normalization Available in the ZČU Library. The use of the unconstrained cohort normalization technique for multi-label classification score normalization

Skorkovská, Lucie
Západočeská univerzita v Plzni, 2014

Effect of the biomass on the analysis of electricity price
Pavlík, Marek; German-Sobek, Martin; Bucko, Samuel; Zbojovský, Jan
2014 - English This paper deal with analysis of electricity price and affect biomass on analysis. For purpose to research was used MACD analysis. MACD prediction mechanism predicts the price trend of electricity on the basis of the indicator MACD. This way it is possible to predict the price of electricity. The conclusion of this research is whether biomass affects the analysis of electricity prices or not. Keywords: biomasa; cena elektřiny; MACD analýza; biomass; electricity price; MACD analysis Available in digital repository of ZČU. Effect of the biomass on the analysis of electricity price

This paper deal with analysis of electricity price and affect biomass on analysis. For purpose to research was used MACD analysis. MACD prediction mechanism predicts the price trend of electricity ...

Pavlík, Marek; German-Sobek, Martin; Bucko, Samuel; Zbojovský, Jan
Západočeská univerzita v Plzni, 2014

Biomasa jako strategický zdroj energie
Sčerba, Eduard
2014 - English Keywords: biomasa; zdroj energie; biomass; power source Available in digital repository of ZČU. Biomasa jako strategický zdroj energie

Sčerba, Eduard
Západočeská univerzita v Plzni, 2014

Energetically utilizable plants
Šrámková, Lucie; Liška, Martin
2014 - English This paper deals with energetically utilizable plants. The introduction describes general information about this issue, the main reasons for the cultivation of energy plants and usable positives. It also deals with specific plants for energy use, their description and management, and at the end of this work are the negatives in the cultivation and use of energetically utilizable plants. Keywords: energeticky využitelné rostliny; biomasa; energy utilizable plants; biomass Available in digital repository of ZČU. Energetically utilizable plants

This paper deals with energetically utilizable plants. The introduction describes general information about this issue, the main reasons for the cultivation of energy plants and usable positives. It ...

Šrámková, Lucie; Liška, Martin
Západočeská univerzita v Plzni, 2014

A Multi-threaded Multi-context GPU Methodology for Real-time Terrain Rendering
Yusuf, Mohammad A.; Mostafa, Mostafa G. M.; Elarif, Taha I.
2014 - English Real-time rendering of large terrains has several important applications. Hence, many methods have been devised to solve this problem. The main challenge for such methods is to deal with a large terrain dataset and maintain interactive frame rates. In this paper, we propose a level-of-detail (LOD) based multi-threaded multi-context method that works on two separate activities. Each activity is assigned to its own CPU thread and GPU context. The LOD hierarchy is constructed on the GPU context of the errors activity and stored as a 2D texture map. This texture map is used by the blocks rendering activity via its CPU thread to initiate the rendering process by sending different terrain blocks as translation and scaling parameters to its GPU context, which uses a reusable single shared vertex and index buffer to render the required block based on the passed parameters and the height-field texture. The results show that the proposed method achieves high interactive frame rates at guaranteed very small screen-space errors. Keywords: real-time vykreslování; terén; míra detailu; multikontextové programování; programování grafických procesorů; real-time rendering; terrain; level of detail; multi-context programming; GPU programming Available in digital repository of ZČU. A Multi-threaded Multi-context GPU Methodology for Real-time Terrain Rendering

Real-time rendering of large terrains has several important applications. Hence, many methods have been devised to solve this problem. The main challenge for such methods is to deal with a large ...

Yusuf, Mohammad A.; Mostafa, Mostafa G. M.; Elarif, Taha I.
Západočeská univerzita v Plzni, 2014

Improved Estimation of Tissue Noise Power Spectra in CT Data
Walek, Petr; Jan, Jiří; Ouředníček, Petr; Škotáková, Jarmila; Jíra, Igor
2014 - English Evaluation and measuring of image quality in X-ray computed tomographic (CT) data gained importance with recent appearance of modern algorithms for iterative reconstruction of CT data. Thanks to the ability of dramatically reducing applied radiation dose declaratively without loss of image quality, they are expected to replace the conventionally used filtered back projection (FBP) algorithm. Quality of iteratively reconstructed data in terms of image noise is routinely evaluated in images of homogeneous phantoms or in small regions of interest in real patient data. Character of the noise, whose characteristics are dependent on imaged scene, require measuring in the whole volume of real patient data and moreover in diverse tissues separately. This paper presents generalization of one dimensional noise power spectra estimation which enables its calculation from separate tissues. Firstly, basic tissues must be segmented and the resulting segmentation masks are used for the noise power spectra estimation. The estimation carried out with the help of the binary segmentation masks is, due to convolutional property of the Fourier transform, burdened by error due to spectral leakage. A binary segmentation mask may be seen as a two-dimensional windowing function with steep borders. Our method for reduction of the error is based on replacement of binary segmentation masks by designed two-dimensional spatially adaptive windowing functions with better spectral properties. Design of the spatially adaptive windows is based on distance maps and optimized skeletonization calculated using the maximal discs approach. The magnitude of the segmentation introduced error can be experimentally measured using a simulated noise with known power spectrum, which is compared with the noise power spectrum estimated in frame of the segmented tissue (i.e. affected by the spectral leakage). Finally, it is shown that the proposed two-dimensional spatially adaptive windowing functions are able to significantly improve precision of the noise power spectra estimation in diverse tissues. Keywords: rentgenová výpočetní tomografie; iterativní rekonstrukce; kvalita obrazu; výkonové spektrum šumu; X-ray computed tomography; iterative reconstruction; image quality; noise power spectra Available in digital repository of ZČU. Improved Estimation of Tissue Noise Power Spectra in CT Data

Evaluation and measuring of image quality in X-ray computed tomographic (CT) data gained importance with recent appearance of modern algorithms for iterative reconstruction of CT data. Thanks to the ...

Walek, Petr; Jan, Jiří; Ouředníček, Petr; Škotáková, Jarmila; Jíra, Igor
Západočeská univerzita v Plzni, 2014

A Control Cluster Approach to Non-linear Deformation
Bukatov, A. A.; Gridchina, E. E.; Zastavnoy, D. A.
2014 - English Modeling plausible deformation of the objects has been an important task in computer animation and game design industry. The approach proposed in the paper deals with a polygonal mesh deformation splitting the vertices of the mesh into two types: cluster vertices and free vertices. With the user defining the shape of the mesh key areas with the help of cluster vertices, the algorithm takes advantage of non-linear geometric deformation for calculating free vertices position. The approach could be used both for creating a sequence of altered model shapes to produce a character animation (with the help of user-created control cluster data) and for visualizing some ecological processes. Keywords: počítačová animace; nelineární deformace; polygonální mřížky; animace postav; computer animation; non-linear deformation; polygonal meshes; character animation Available in digital repository of ZČU. A Control Cluster Approach to Non-linear Deformation

Modeling plausible deformation of the objects has been an important task in computer animation and game design industry. The approach proposed in the paper deals with a polygonal mesh deformation ...

Bukatov, A. A.; Gridchina, E. E.; Zastavnoy, D. A.
Západočeská univerzita v Plzni, 2014