Rachev
Alexander Rachev, Atlanta, GA US
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20080262744 | Systems and Methods for Tissue Engineering Tubular Biological Structures - The present invention relates to systems and methods for tissue engineering. In particular, the invention is directed toward systems and methods for conditioning tubular biological structures. For example, an aspect of the present invention comprises systems and methods for uncoupling local mechanical parameters (e.g., circumferential stress, shear stress, and axial stress) from global mechanical parameters (e.g. lumen pressure, flow rate of perfusate, and longitudinal stretch of the construct) to control of local mechanical parameters for conditioning a tubular biological construct. | 10-23-2008 |
Ivan Rachev, Park Ridge, NJ US
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20140140637 | MEDICAL IMAGING WORKFLOW MANAGER WITH PRIORITIZED DICOM DATA RETRIEVAL - Example systems and methods for retrieval and display of image data are disclosed. An example image retrieval system includes a workflow manager and an image streaming engine. The example workflow manager is to receive an image request and identify a storage location for the requested image based at least in part on metadata information. The example image streaming engine is to be associated with the storage location to stream the requested image from the storage location to a viewer, the workflow manager to select the storage location based on a location priority and to trigger streaming of the requested image from the storage location to the viewer. | 05-22-2014 |
Sergey Rachev, Tomsk City RU
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20130262691 | System and Methods of Media Streaming using RTSP with Reduced Delays - Systems and method of media streaming using the Real Time Streaming Protocol (RTSP) with reduced delays in accordance with embodiments of the invention are disclosed. In one embodiment of the invention, a network client includes memory containing a media decoder application and a client application and a processor, where the client application configures the processor to receive portions of streamed media and buffer the received portions of streamed media in the media buffer, provide portions of streamed media buffered in the media buffer to the media decoder application for decoding once a buffering criteria has been met, receive an end of file message, and provide the remaining streamed media buffered in the media buffer to the media decoder application for decoding in response to the end of file message, wherein the media decoder application configures the processor to decode portions of streamed media. | 10-03-2013 |
20130262692 | System and Methods of Media Streaming from a Media Server using RTSP with Reduced Delays - Systems and method of media streaming using the Real Time Streaming Protocol (RTSP) with reduced delays in accordance with embodiments of the invention are disclosed. In one embodiment of the invention, a media server includes media storage containing stored media, wherein the media server is configured to stream media stored in the media storage, determine the end of the streamed media, where the end of the streamed media signals that the streamed media has been fully streamed, create an end of file message, where the end of file message causes the recipient of the end of file message to complete decoding of any buffered media irrespective of any other buffering criteria, and send the end of file message. | 10-03-2013 |
Stoyan Rachev, Sofia BG
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20100153942 | METHOD AND A SYSTEM FOR DELIVERING LATEST HOTFIXES WITH A SUPPORT PACKAGE STACK - A method and a system are described that involve delivering latest hotfixes with a support package stack. In one embodiment, the method includes receiving a selection of a stack of update components, the stack to be applied on a product and receiving correction data for an update component of the stack, the correction data being available on a software provider system. The method also includes detecting the correction data for the update component. Further, the method includes applying the correction data on the update component in the stack. | 06-17-2010 |
Svetlozar Rachev, Setauket, NY US
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20140214722 | REAL TIME EVALUATION OF FINANCIAL RETURNS BASED ON NEARLY ELLIPTICAL MODELS - A computer-implemented method for forecasting losses in a financial portfolio includes estimating parameters of an autoregressive-moving-average generalized-autoregressive-conditional-heteroscedastic (ARMA-GARCH) model for each individual asset in a financial portfolio by performing a parallel maximum likelihood estimation, estimating parameters of a copula dependence structure for standardized residuals of the ARMA-GARCH model, and estimating a Value-at-Risk (VaR) for the financial portfolio from the ARMA-GARCH model parameters and the copula dependence structure parameters. | 07-31-2014 |
Svetlozar Todorov Rachev, Santa Barbara, CA US
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20100332411 | SYSTEM AND METHOD FOR PROVIDING REALLOCATION AND REVERSE OPTIMIZATION OF A FINANCIAL PORTFOLIO USING A PARAMETRIC LEPTOKURTIC DISTRIBUTION - A system and method for providing reallocation and reverse optimization of a financial portfolio using a parametric leptokurtic distribution are provided. A time series including risk factors applicable over at least one time horizon, a portfolio including financial assets, a quantile, and one or more risk adjusted return points for the financial assets is stored. The financial assets are associated with the risk factors. A subordinated parametric distribution model exhibiting leptokurtic behavior is generated. A function of expected tail loss for the quantile based on the subordinated parametric distribution model exhibiting leptokurtic behavior is expressed. A set of portfolio asset weight changes for each of the financial assets is determined based on the expected tail loss at each such time horizon and for each risk adjusted return point. Reallocation of the portfolio is provided based on the portfolio asset weight changes for each risk adjusted return point for the portfolio. | 12-30-2010 |