Patents by Inventor Amiaz Altman
Amiaz Altman has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11089960Abstract: A method for converting spectral CT datasets into electron density datasets with applications in the fields of medical image formation or radiation treatment planning. The method comprises a preparation method that fits free parameters of a generalized electron density prediction model based on obtained electron density values such as data on tissue substitutes, and a conversion method using the fitted parameter prediction model and spectrally decomposed CT data as first and second inputs, respectively. The method is particularly useful in dual-energy CT and more specifically in dual layer detector CT systems.Type: GrantFiled: July 27, 2018Date of Patent: August 17, 2021Assignee: KONINKLIJKE PHILIPS N.V.Inventors: Nadav Hanan Shapira, Amiaz Altman, Yoad Yagil
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Publication number: 20200155007Abstract: A method for converting spectral CT datasets into electron density datasets with applications in the fields of medical image formation or radiation treatment planning. The method comprises a preparation method that fits free parameters of a generalized electron density prediction model based on obtained electron density values such as data on tissue substitutes, and a conversion method using the fitted parameter prediction model and spectrally decomposed CT data as first and second inputs, respectively. The method is particularly useful in dual-energy CT and more specifically in dual layer detector CT systems.Type: ApplicationFiled: July 27, 2018Publication date: May 21, 2020Inventors: NADAV HANAN SHAPIRA, AMIAZ ALTMAN, YOAD YAGIL
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Patent number: 10225086Abstract: A computing system includes a memory (114) that stores instructions of an image finger printer module (116). The computing system further includes a processor (112) that receives a bitmap digital image and generates a first key, which is an electronic compressed representation of the bitmap digital image, that uniquely identifies the bitmap digital image. A computer readable storage medium is encoded with computer readable instructions, which, when executed by a processor, causes the processor to: normalize a bitmap digital medical image; sample the normalized bitmap digital medical image; post-processes the sampled, normalized bitmap digital medical image; package the post-processed, sampled, normalized bitmap digital medical image as a key that uniquely identifies the bitmap digital medical image.Type: GrantFiled: September 2, 2015Date of Patent: March 5, 2019Assignee: KONINKLIJKE PHILIPS N.V.Inventors: Uri Benchetrit, Santosh Vidyullata Vijay, Shlomo Gotman, Amiaz Altman
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Publication number: 20180241563Abstract: A computing system includes a memory (114) that stores instructions of an image finger printer module (116). The computing system further includes a processor (112) that receives a bitmap digital image and generates a first key, which is an electronic compressed representation of the bitmap digital image, that uniquely identifies the bitmap digital image. A computer readable storage medium is encoded with computer readable instructions, which, when executed by a processor, causes the processor to: normalize a bitmap digital medical image; sample the normalized bitmap digital medical image; post-processes the sampled, normalized bitmap digital medical image; package the post-processed, sampled, normalized bitmap digital medical image as a key that uniquely identifies the bitmap digital medical image.Type: ApplicationFiled: September 2, 2015Publication date: August 23, 2018Inventors: Uri BENCHETRIT, Santosh Vidyullata VIJAY, Shlomo GOTMAN, Amiaz ALTMAN
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Patent number: 9012857Abstract: An imaging system (100) includes a radiation sensitive detector array (110). The detector array includes at least two scintillator array layers (116). The detector array further includes at least two corresponding photosensor array layers (114). At least one of the at least two photosensor array layers is located between the at least two scintillator array layers in a direction of incoming radiation. The at least one of the at least two photosensor array layers has a thickness that is less than thirty microns.Type: GrantFiled: May 7, 2012Date of Patent: April 21, 2015Assignee: Koninklijke Philips N.V.Inventors: Simha Levene, Nicolaas Johannes Anthonius Van Veen, Amiaz Altman, Igor Uman, Rafael Goshen
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CT detector including multi-layer fluorescent tape scintillator with switchable spectral sensitivity
Patent number: 8981311Abstract: A scintillator element (114) comprising uncured scintillator material (112) is formed and optically cured to generate a cured scintillator element (122, 122?). The uncured scintillator material suitably combines at least a scintillator material powder and an uncured polymeric host. In a reel to reel process, a flexible array of optical detectors is transferred from a source reel (100) to a take-up reel (106) and the uncured scintillator material (112) is disposed on the flexible array and optically cured during said transfer. Such detector layers (31, 32, 33, 34, 35) are stackable to define a multi-layer computed tomography (CT) detector array (20). Detector element channels (50, 50?, 50?) include a preamplifier (52) and switching circuitry (54, 54?, 54?) having a first mode connecting the preamplifier with at least first detector array layers (31, 32) and a second mode connecting the preamplifier with at least second detector array layers (33, 34, 35).Type: GrantFiled: April 25, 2011Date of Patent: March 17, 2015Assignee: Koninklijke Philips N.V.Inventors: Simha Levene, Naor Wainer, Amiaz Altman, Rafael Goshen, Cornelis Reinder Ronda -
Patent number: 8755488Abstract: A system comprises a radiation source (110), including a anode (112) and a cathode (114), a high voltage generator (202) that generates a source voltage that is applied across the anode (112) and cathode (114), wherein the source voltage accelerates electrons from the cathode (114) towards the anode (112), and a modulation wave generator (204) that generates a modulation voltage wave having a non-zero amplitude, which is combined with and modulates the source voltage between at least two different voltages.Type: GrantFiled: July 22, 2009Date of Patent: June 17, 2014Assignee: Koninklijke Philips N.V.Inventors: Simha Levene, Amiaz Altman
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Publication number: 20130292574Abstract: An imaging system (100) includes a radiation sensitive detector array (110). The detector array includes at least two scintillator array layers (116). The detector array further includes at least two corresponding photosensor array layers (114). At least one of the at least two photosensor array layers is located between the at least two scintillator array layers in a direction of incoming radiation. The at least one of the at least two photosensor array layers has a thickness that is less than thirty microns.Type: ApplicationFiled: May 7, 2012Publication date: November 7, 2013Applicant: KONINKLIJKE PHILIPS ELECTRONICS N.V.Inventors: SIMHA LEVENE, NICOLAAS JOHANNES ANTHONIUS VAN VEEN, AMIAZ ALTMAN, IGOR UMAN, RAFAEL GOSHEN
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CT DETECTOR INCLUDING MULTI-LAYER FLUORESCENT TAPE SCINTILLATOR WITH SWITCHABLE SPECTRAL SENSITIVITY
Publication number: 20130058452Abstract: A scintillator element (114) comprising uncured scintillator material (112) is formed and optically cured to generate a cured scintillator element (122, 122?). The uncured scintillator material suitably combines at least a scintillator material powder and an uncured polymeric host. In a reel to reel process, a flexible array of optical detectors is transferred from a source reel (100) to a take-up reel (106) and the uncured scintillator material (112) is disposed on the flexible array and optically cured during said transfer. Such detector layers (31, 32, 33, 34, 35) are stackable to define a multi-layer computed tomography (CT) detector array (20). Detector element channels (50, 50?, 50?) include a preamplifier (52) and switching circuitry (54, 54?, 54?) having a first mode connecting the preamplifier with at least first detector array layers (31, 32) and a second mode connecting the preamplifier with at least second detector array layers (33, 34, 35).Type: ApplicationFiled: April 25, 2011Publication date: March 7, 2013Applicant: KONINKLIJKE PHILIPS ELECTRONICS N.V.Inventors: Simha Levene, Naor Wainer, Amiaz Altman, Rafael Goshen, Cornelis Reinder Ronda -
Publication number: 20110122996Abstract: A system comprises a radiation source (110), including a anode (112) and a cathode (114), a high voltage generator (202) that generates a source voltage that is applied across the anode (112) and cathode (114), wherein the source voltage accelerates electrons from the cathode (114) towards the anode (112), and a modulation wave generator (204) that generates a modulation voltage wave having a non-zero amplitude, which is combined with and modulates the source voltage between at least two different voltages.Type: ApplicationFiled: July 22, 2009Publication date: May 26, 2011Applicant: KONINKLIJKE PHILIPS ELECTRONICS N.V.Inventors: Simha Levene, Amiaz Altman
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Patent number: 7778380Abstract: An apparatus includes a computed tomography (CT) scanner (10), a reconstructor (46), a polychromatic corrector (50), a material classifier (54) and an image processor (60). The scanner provides spectral CT information. The reconstructor (46) reconstructs the data from the CT scanner (10) into a volume space. The material classifier (54) determines a material composition of locations in the volume space as a function of their location in an attenuation space. Information indicative of the material composition is presented on a display (62).Type: GrantFiled: August 18, 2006Date of Patent: August 17, 2010Assignee: Koninklijke Philips Electronics N.V.Inventors: Amiaz Altman, Galit Naveh, Raz Carmi
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Patent number: 7340030Abstract: A multislice CT scanner for imaging a patient comprising: an X-ray source that generates a cone beam of X-rays radiated from a focal spot of the X-ray source wherein the X-ray source is moveable in a rotation plane so as to rotate the focal spot about an axial direction along which the patient is moved to position the patient in a field of view of the scanner; and a detector array comprising a plurality of rows of X-ray detectors that generate signals responsive to X-rays in the cone beam, which signals are used to generate an image of the patient; wherein the cone beam is asymmetric with respect to the rotation plane.Type: GrantFiled: February 20, 2003Date of Patent: March 4, 2008Assignee: Koninklijke Philips Electronics N.V.Inventors: Amiaz Altman, Ehud Dafni, Armin Marcovitch
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Publication number: 20060159222Abstract: A multislice CT scanner for imaging a patient comprising: an X-ray source that generates a cone beam of X-rays radiated from a focal spot of the X-ray source wherein the X-ray source is moveable in a rotation plane so as to rotate the focal spot about an axial direction along which the patient is moved to position the patient in a field of view of the scanner; and a detector array comprising a plurality of rows of X-ray detectors that generate signals responsive to X-rays in the cone beam, which signals are used to generate an image of the patient; wherein the cone beam is asymmetric with respect to the rotation plane.Type: ApplicationFiled: February 20, 2003Publication date: July 20, 2006Inventor: Amiaz Altman