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| Number | Title | Issue Date |
| 7777191 | Method and system of adaptive exposure for a camera A method and/or device of adaptively controlling an exposure duration for a camera. A determination is made as to whether motion is present. If it is determined that motion is present, exposure duration for one or more images is automatically decreased. If it is det... | 08/17/2010 |
| 7718971 | Nuclear medicine imaging apparatus and a method for generating image data The present invention provides a nuclear medicine imaging apparatus and image data generation method that achieves restarting of the generation of projection data and at an early stage while monitoring a variation of count values for detecting an occurrence of non-p... | 05/18/2010 |
| 7626172 | Nuclear medical diagnosis apparatus A nuclear medial diagnosis apparatus is used for performing diagnosis by administering a medicine marked with a radioactive isotope into an examinee and by using an image obtained by detecting gamma rays emitted from a particular organ or tumor where the medicine is... | 12/01/2009 |
| 7507968 | Systems and methods for correcting a positron emission tomography emission image A method for correcting a positron emission tomography (PET) emission image is described. The method includes obtaining a PET emission sinogram of an object, obtaining a computed tomography (CT) image for a scanned portion of the object, the object having a truncate... | 03/24/2009 |
| 7462832 | Device and method for computer tomography A device and a method for computer tomography are described, in which an uncorrected volume image and a correction volume image are overlaid by the user after selection of a weighting function. This enables manual correction to be undertaken even after the correctio... | 12/09/2008 |
| 7439515 | Pipeline processing of pulse pile-up correction in a nuclear medicine imaging system Correction of scintillation event data from a nuclear medicine imaging system for effects of pulse pile-up is carried out by separating event data packets into total energy and individual detector energy data packets, executing pile-up correction algorithms on each ... | 10/21/2008 |
| 7397035 | Scatter correction for time-of-flight positron emission tomography data Correction of time-of-flight (TOF) PET data for scattered radiation explicitly models the TOF of the annihilation photon pairs along their individual scattered paths, yielding a distinct, accurate estimated scatter contribution for each time offset bin of the measur... | 07/08/2008 |
| 7391027 | 3D image reconstructing method for a positron CT apparatus, and positron CT apparatus Image quality deterioration due to a drop in resolution or lowering of S/N ratio while reducing the amount of data stored during a 3D data acquisition process, and shortening the time from the start of an examination to the end of imaging. The method and apparatus o... | 06/24/2008 |
| 7362844 | Tomography appliance, and method for a tomography appliance A tomography appliance and method for a tomography appliance make it possible to calculate, in a simple and efficient manner, detector-element-related coefficients of an intensity function dependent on the detector output signal and to calculate the X-ray-emitter-re... | 04/22/2008 |
| 7352887 | Scatter rejection for composite medical imaging systems Scatter effects are reduced in a radiographic imaging device, such as a digital slot scan mammographic imaging device, by reducing detected scatter and processing detector information to compensate for scatter effects. In one embodiment, a digital mammographic imagi... | 04/01/2008 |
| 7323689 | Attenuation correction in nuclear medicine studies by simultaneous transmission and emission data measurement and estimation of emission-to-transmission crosstalk Attenuation correction in SPECT studies such as cardiac function imaging is carried out using an iterative statistically-based transmission projection reconstruction algorithm that is capable of modeling overlapping transmission beams from a line source array of rad... | 01/29/2008 |
| 7304285 | Method and system for shaping a spatial response of a spatial filter A spatial filter includes a number of photodetectors that generate individual signals in the time domain. The individual signals are subsequently divided and grouped to create the I and Q channels output from the spatial filter. Prior to the formation of the I and Q... | 12/04/2007 |
| 7265352 | Real-time list mode reconstruction In positron emission tomography, a nuclear medicine scanner is utilized to detect γ-ray events resulting from positron annihilation events. Molecules with known behaviors are tagged with radioactive isotopes which decay into γ-ray pairs which are detected coincide... | 09/04/2007 |
| 7262416 | Gamma camera with dynamic threshold A method of locating an event with a gamma camera (12) of an emission computed tomography (ECT) scanner (10) is provided. The gamma camera (12) includes a matrix of sensors (22) situated to view the event. The sensors (22) have res... | 08/28/2007 |
| 7263164 | Imaging system to compensate for x-ray scatter A system includes acquisition of a first image of a first radiation field, at least a portion of the first radiation field comprising radiation attenuated by a device, and the first image including a representation of first scatter radiation generated during acquisi... | 08/28/2007 |
| 7253387 | List mode multichannel analyzer A digital list mode multichannel analyzer (MCA) built around a programmable FPGA device for onboard data analysis and on-the-fly modification of system detection/operating parameters, and capable of collecting and processing data in very small time bins ( | 08/07/2007 |
| 7247862 | Afterglow detection and count rate generation in a nuclear imaging system The afterglow and count rate/dead time of a nuclear imaging detector are calculated for use in correcting event detection and energy integration circuits. Energy value signals and event triggering signals are respectively integrated as a function of the decay settin... | 07/24/2007 |
| 7244945 | Scintillator panel, radiation detector and manufacture methods thereof A scintillator panel having a wavelength conversion member has some problems: lowered durability to be caused by an area not covered with a protective layer around a projection formed on the wavelength conversion member surface; lowered resolution response and CTF c... | 07/17/2007 |
| 7242004 | Image correction method, image correction apparatus, and image correction program The image correction method according to an embodiment of the present invention includes the steps of: (a) generating an absorption correction map by replacing a CT value of each pixel of a CT image with a corresponding linear absorption coefficient and replacing th... | 07/10/2007 |
| 7170063 | Scintillator panel, method of maufacturing scintillator panel, radiation detection device, and radiation detection system Electrochemical corrosion of a reflective layer provided in a scintillator panel is prevented. The scintillator panel includes a conductive base member for supporting a wavelength converter layer and a reflective layer for emitting light converted by a phosphor laye... | 01/30/2007 |
| 7158823 | Limited-angle frequency-distance resolution recovery in nuclear medicine imaging A nuclear camera (10) includes a plurality of detector heads (12) which have collimators (14) for fixing the trajectory along which radiation is receivable. A rotating gantry (22) rotates the detector heads around the subject collecting l... | 01/02/2007 |
| 7132663 | Methods and apparatus for real-time error correction Methods and apparatus for correcting for at least one of deadtime losses and random coincidences in a positron emission tomography (PET) medical imaging device having a plurality of detectors at successive locations circumferentially spaced about a viewing area, the... | 11/07/2006 |
| 7120282 | Method and apparatus for correcting digital X-ray images An image correction system and method includes a digital data input unit configured to receive digital pixel data corresponding to a pixel level for a particular pixel location on a detector panel. An offset memory stores offset pixel values for each of a plurality ... | 10/10/2006 |
| 7115880 | Digital event detection in a nuclear imaging system Digital detection of the occurrence of nuclear medicine radiation interaction events in a detector utilizes a digital energy signal sample to trigger signal processing of event signals from the detector by performing mathematical operations on the energy signal samp... | 10/03/2006 |
| 7115875 | PET scanner with photodetectors and wavelength shifting fibers A method for estimating a location of a most-likely photon source on a scintillator block includes obtaining a measured photodetector signal indicative of a distribution of photons received by a plurality of photodetectors from a photon source on a scintillator bloc... | 10/03/2006 |
| 7084419 | Image inputting apparatus and image inputting method There is described an image inputting apparatus for inputting a radiation image that is formed on a radiation sensitive panel by projecting radial rays penetrated through a subject. The apparatus includes a detector to detect the radiation image projected onto the r... | 08/01/2006 |
| 7085405 | Direct tomographic reconstruction A method of reconstructing tomography images comprising: acquiring data on individual radiation events; distributing a weight of the individual radiation events along a line of flight associated with the event determined from the acquired data; and iteratively recon... | 08/01/2006 |
| 7081626 | Apparatus and method for temperature correction and expanded count rate of inorganic scintillation detectors The present invention includes an apparatus and corresponding method for temperature correction and count rate expansion of inorganic scintillation detectors. A temperature sensor is attached to an inorganic scintillation detector. The inorganic scintillation detect... | 07/25/2006 |
| 7026608 | Gain correction of image signal and calibration for gain correction The gain difference between pixels is to be corrected for an image signal obtained by an image sensing element having a plurality of pixels. The first reference image is sensed without any object, and then an object is sensed. Gain correction is performed for the se... | 04/11/2006 |
| 7020224 | Ultra-wideband correlating receiver A receiver for ultra-wideband communications is provided. One feature of the receiver architecture is that includes only a single correlator. The receiver may be used in wireless and wire communication mediums. The single correlator may be used to update a locally g... | 03/28/2006 |
| 7002157 | Image pick-up apparatus and image pick-up system An image pick-up apparatus and an image pick-up system constructed to prevent occurrence of random noise in a photographed image due to a random noise component produced in a reference supply circuit. An image pick-up apparatus has an area sensor driven by matrix dr... | 02/21/2006 |
| 6992665 | Method and device for fitting surface to point group, modeling device, and computer program The present invention provides a method for fitting a surface to a point group using computer. The method enables to prevent an improper modification or an erroneous modification even when the point group includes a point having a low reliability, thus to achieve pr... | 01/31/2006 |
| 6992296 | Scintillator panel, method of manufacturing scintillator panel, radiation detection device, and radiation detection system Electrochemical corrosion of a reflective layer provided in a scintillator panel is prevented. The scintillator panel includes a conductive base member for supporting a wavelength converter layer and a reflective layer for emitting light converted by a phosphor laye... | 01/31/2006 |
| 6965110 | High voltage distribution for a radiographic sensor device A high voltage distribution system and method for use with a cathode of a radiographic sensor device of a radiographic imaging apparatus are provided. The distribution system includes an insulated conductor formed on a first detector portion of the radiographic sens... | 11/15/2005 |
| 6952015 | Image pick-up apparatus and image pick-up system An image pick-up apparatus and an image pick-up system constructed to prevent occurrence of random noise in a photographed image due to a random noise component produced in a reference supply circuit. An image pick-up apparatus has an area sensor driven by matrix dr... | 10/04/2005 |
| 6949746 | Method for correcting errors arising in an X-ray detector owing to time-delayed signal reproductions A method is for correcting errors arising in an X-ray detector owing to an afterglow. An actual intensity In is determined at an instant n by subtracting a subtrahend from a measured output signal at the instant n, wherein the subtrahend is determined fro... | 09/27/2005 |
| 6947786 | Method and apparatus for perspective inversion A surgical instrument navigation system is provided that allows a surgeon to invert the three-dimensional perspective of the instrument to match their perspective of the actual instrument. The surgical instrument navigation system includes: a surgical instrument; an... | 09/20/2005 |
| 6936825 | Process for the decontamination of microlithographic projection exposure devices UV light and a fluid are used in a process for the decontamination of microlithographic projection exposure devices with optical elements or portions thereof, in particular of the surfaces of optical elements. A second UV light source is directed for decontamination... | 08/30/2005 |
| 6911654 | Scintillator panel, method of manufacturing scintillator panel, radiation detection device, and radiation detection system Electrochemical corrosion of a reflective layer provided in a scintillator panel is prevented. The scintillator panel includes a conductive base member for supporting a wavelength converter layer and a reflective layer for emitting light converted by a phosphor laye... | 06/28/2005 |
| 6901337 | Method and apparatus for measuring signal pulse energy The energy E of a signal pulse P inputted to an energy measurement apparatus 1 for measurement, and corresponding to the total integrated intensity, is calculated in an energy calculation unit 10 from the integrated signal intensity Q acquired by a gat... | 05/31/2005 |
