Sperl, DE
Jonathan Immanuel Sperl, Freising DE
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20140167753 | DIFFUSION SPECTRUM IMAGING SYSTEMS AND METHODS - Systems and methods for generating a magnetic resonance (MR) image of a tissue are provided. A method includes acquiring MR raw data. The MR raw data corresponds to MR signals obtained at undersampled q-space locations for a plurality of q-space locations that is less than an entirety of the q-space locations and the MR signals at the q-space locations represent the three dimensional displacement distribution of the spins in the imaging voxel. The method also includes performing a joint image reconstruction technique on the MR raw data to exploit structural correlations in the MR signals to obtain a series of accelerated MR images and performing, for each image pixel in each accelerated MR image of the series of accelerated MR images, a compressed sensing reconstruction technique to exploit q-space signal sparsity to identify a plurality of diffusion maps. | 06-19-2014 |
20140169524 | IMAGE RECONSTRUCTION METHOD FOR DIFFERENTIAL PHASE CONTRAST X-RAY IMAGING - A phase retrieval method for differential phase contrast imaging includes receiving data corresponding to a differential phase image generated from a measured signal. The measured signal corresponds to an X-ray signal detected by a detector after passing through a subject located with a grating arrangement between an X-ray source and the detector. The method further includes generating a phase image corresponding to the integration of the differential phase image. Generating the phase image includes performing an iterative total variation regularized integration in the Fourier domain. | 06-19-2014 |
20140185757 | IMAGE RECONSTRUCTION METHODS FOR DIFFERENTIAL PHASE CONTRAST X-RAY IMAGING - An image reconstruction method for differential phase contrast imaging includes receiving data corresponding to a signal produced by an X-ray detector and corresponding to X-rays that passed through a subject and a grating system to reach the X-ray detector. The method also includes performing a fringe analysis on the received data. The fringe analysis includes a non-integer fringe fraction correction utilizing one or more adapted basis functions in the Fourier domain to determine one or more Fourier coefficients. A differential phase image of the subject is generated by utilizing the one or more Fourier coefficients. | 07-03-2014 |
Jonathan Immanuel Sperl, Garching B. Munchen DE
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20150310609 | SYSTEMS AND METHODS FOR REGULARIZED FOURIER ANALYSIS IN X-RAY PHASE CONTRAST IMAGING - A method of regularization of x-ray phase contrast imaging (XPCi) system measurement data includes obtaining air scan data of the XPCi system prior to the presence of an object undergoing imaging, performing Fourier analysis of the air scan data, computing air coefficients from the result of the performing step, obtaining object scan data of an object undergoing imaging on the XPCi system, regularizing the object scan data, and calculating at least one of absorption image data, differential phase image data, and dark field image data by using object coefficients. A system configured to implement the method and a non-transitory computer-readable medium are disclosed. | 10-29-2015 |
20150310640 | SYSTEMS AND METHODS FOR COMPRESSED SENSING FOR MULTI-SHELL MAGNETIC RESONANCE IMAGING - A method of compressed sensing for multi-shell magnetic resonance imaging includes obtaining magnetic resonance imaging data, the data being sampled along multi-shell spherical coordinates, the spherical coordinates coincident with a plurality of spokes that converge at an origin, constructing a symmetric shell for each respective sampled multi-shell to create a combined set of data, performing a three-dimensional Fourier transform on the combined set of data to reconstruct an image, and de-noising the reconstructed image by iteratively applying a sparsifying transform on non-sampled data points of neighboring shells. The method can also include randomly under-sampling the imaging data to create missing data points. A system configured to implement the method and a non-transitory computer readable medium are also disclosed. | 10-29-2015 |
Jonathan Immanuel Sperl, Friesing DE
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20140185894 | COMPLEX RECONSTRUCTION OF Q-SPACE FOR SIMULTANEOUS DETECTION OF COHERENT AND INCOHERENT MOTION - A magnetic resonance (MR) imaging method includes acquiring MR signals having phase and magnitude at q-space locations using a diffusion sensitizing pulse sequence performed on a tissue of interest, wherein the acquired signals each include a set of complex Fourier encodings representing a three-dimensional displacement distribution of the spins in a q-space location. The signals each include information relating to coherent motion and incoherent motion in the q-space location. The method also includes determining a contribution by coherent motion to the phase of the acquired MR signals; removing the phase contribution attributable to coherent motion from the acquired MR signals to produce a complex data set for each q-space location and an image of velocity components for each q-space location; and producing a three-dimensional velocity image from the image of the velocity components. | 07-03-2014 |
Markus Sperl, Garching DE
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20090035118 | Device for aligning disordered sheet-type products - The invention relates to an apparatus for aligning disordered sheet material. The apparatus according to the invention in particular has the advantage, that disordered sheet material is fast and reliably aligned, so that the sheet material can be formed into bundles. Since the alignment of the sheet material can be carried out automatically by the apparatus, i.e. in particular has not to be carried out by an operator, moreover, a cost-effective alignment of the disordered sheet material is permitted. | 02-05-2009 |
20090174136 | Apparatus for Diverting Sheet Material - An apparatus for diverting sheet material, in particular bank notes (BN), comprises a diverting plate ( | 07-09-2009 |
20100194029 | DEVICE FOR HANDLING SHEET MATERIAL - Apparatus for continuous singling of stacks of loose sheet material, in particular bank notes, vouchers, checks, separation cards, etc., includes a singling unit for singling stacks of loose sheet material and a feeding device which transports stacks of loose sheet material to be singled into a position where sheet material of the stack is grasped by the singling unit and transferred to a transport system. The feeding device has a first, substantially single-axis moved feeding element and a second, substantially multi-axis moved feeding element. A container is provided to receive the stack of loose sheet material, the container having a movable platform on which the stack of sheet material rests. The container is received by a container receiving device which has a transport device connected to the platform of the container located in the container receiving device, wherein the platform of the container together with the transport device forms the first feeding element. | 08-05-2010 |
20110017767 | DEVICE FOR STORING SHEET MATERIAL - The present invention relates to an apparatus for the storage of sheet material, in particular documents of value such as bank notes and the like, for example for the use in a bank note processing apparatus. In the apparatus according to the invention for the storage of sheet material, in particular documents of value such as bank notes and the like, with a transport device which consists of two foils, and a winding reel with a reel core which is mounted to be rotatable around an axis, wherein the apparatus is arranged to wind up the transport device onto the winding reel so as to enclose thereby sheet material between the two foils of the transport device and to wind up and store said sheet material on the winding reel, wherein the two foils of the transport device are wound up on top of each other on a single dispenser reel having a reel core, which is mounted to be rotatable around an axis, and can be wound off the dispenser reel, and a unit for a length compensation between first foil and second foil, which compensates a length difference resulting from winding off the two foils from the dispenser reel and the subsequent winding up of the two foils with the sheet material optionally enclosed in between. | 01-27-2011 |
20150093230 | Gripping Device for Gripping Sheet Material - A gripping device for gripping a sheet-material stack has at least two gripping elements for gripping a sheet-material stack disposed between the gripping elements, which gripping elements can be moved toward each other in order to grip the sheet-material stack. At least one of the gripping fingers of one of the gripping elements is tiltable from its starting position, in which it is oriented substantially parallel to the stack surface, into a tilted position, in which it is inclined toward the stack surface. With the gripping device any types of sheet-material stacks can be reliably and trouble-free removed from a container and held against gravity through grip-clamping. | 04-02-2015 |
Matthias Sperl, Regensburg DE
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20110303945 | SEMICONDUCTOR ARRANGEMENT AND METHOD OF PRODUCING A SEMICONDUCTOR ARRANGEMENT - A semiconductor arrangement including at least one lead arrangement with a top and a bottom opposite the top; a least one solder resist layer which partially covers the top and the bottom, at least sub-zones of the top and the bottom, which are not covered by the solder resist layer, forming electrical base members; an optoelectronic semiconductor element, which is mounted on at least one of the base members on the top of the lead arrangement and is connected electrically conductively therewith, and an encapsulant applied at least to the top of the lead arrangement, the encapsulant covering up the semiconductor element and lying at least partially against the solder resist layer, wherein the base members are bordered all round by the solder resist layer. | 12-15-2011 |
Michael Sperl, Pluederhausen DE
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20150083450 | BATTERY-OPERATED ECCENTRIC SANDER HAVING AN ELECTRONICALLY COMMUTATED ELECTRIC MOTOR - A battery-operated hand power tool, in particular an eccentric sander, includes at least one electronically commutated electric motor that acts upon an output shaft and that is configured to drive a working tool. The hand power tool further includes at least one motor housing part that accommodates the electronically commutated electric motor. The electronically commutated electric motor and the output shaft define a common first axis that is coaxial with the output shaft. At least one handle region of the hand power tool accommodates at least one set of electronics configured to energize the electronically commutated electric motor. The motor housing part and the handle region are disposed at an angle to each other. The working tool has a diameter that is between 75 and 150 mm, but preferably is between 115 and 125 mm. | 03-26-2015 |
Stefan Sperl, Munchen DE
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20090005562 | Method for the Production of Phenylalanine Derivatives - The invention relates to an improved method for the production of 3-amidino- or 3-guanidinophenylalanine derivatives, especially triisopropylphenyl-sulfonyl-substituted 3-amidino- or 3-guanidinophenylalanine derivatives. | 01-01-2009 |
Stefan Sperl, Muenchen DE
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20080261998 | Hydroxyamidine and hydroxyguanidine compounds as urokinase inhibitors - The present invention relates to novel compounds for inhibiting the urokinase plasminogen activator (uPA), which have high bioavailability and oral administerability, and also to the use thereof as therapeutic active compounds for the treatment of urokinase- or/and urokinase receptor-associated disorders such as, for example, tumors and metastasizing. The invention relates in particular to compounds containing hydroxyamidine or hydroxyguanidine groups. | 10-23-2008 |
20100068272 | HYDROXYAMIDINE AND HYDROXYGUANIDINE COMPOUNDS AS UROKINASE INHIBITORS - The present invention relates to novel compounds for inhibiting the urokinase plasminogen activator (uPA), which have high bioavailability and oral administerability, and also to the use thereof as therapeutic active compounds for the treatment of urokinase- or/and urokinase receptor-associated disorders such as, for example, tumors and metastasizing. The invention relates in particular to compounds containing hydroxyamidine or hydroxyguanidine groups. | 03-18-2010 |
Thomas Sperl, Landau A. D. Isar DE
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20090026800 | ENERGY ABSORBER FOR USE AS IMPACT PROTECTION IN A MOTOR VEHICLE - An energy absorber for use as impact protection in a motor vehicle, in particular in the region of the doors, is provided. The energy absorber can be formed as a plastics material component and comprises a plurality of ribs which together form polygonal hollow chambers. In manufacturing the energy absorber, a tool parting line of the manufacturing tool is defined such that the parting line defines at least two regions of the energy absorber displaying differing energy absorption characteristics. Upon impact, the energy absorber follows a force/distance curve which first rises linearly and then continues constantly. | 01-29-2009 |
Tobias Sperl, Freilassing DE
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20140060670 | Ventilating and evacuating valve for conduit pipes and/or braces - The present invention relates to a ventilating and evacuating valve for fluid-guiding conduit pipes and/or braces, comprising a valve mechanism ( | 03-06-2014 |