Patents by Inventor Felipe Gutierrez
Felipe Gutierrez 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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Publication number: 20230393241Abstract: In accordance with some embodiments, systems, methods, and media for single photon depth imaging with improved efficiency using compressive histograms are provided. In some embodiments, the system comprises: a light source; a detector configured to detect arrival of individual photons; a processor programmed to: detect a photon arrival; determine a time bin i of the photon arrival in a range from 1 to N a total number of time bins; update a compressed histogram comprising K stored values representing bins of the compressed histogram based on K values in a code word represented by an ith column of a coding matrix C having dimension K×N, with each column different than each other column, and each column corresponds to a single time bin i; and estimate a depth value based on the K values.Type: ApplicationFiled: June 7, 2022Publication date: December 7, 2023Inventors: Felipe Gutierrez Barragan, Andreas Velten, Mohit Gupta, Atul Ingle, Trevor Seets
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Patent number: 11758297Abstract: In accordance with some embodiments, systems, methods, and media for high dynamic range imaging using single-photon and conventional image sensor data are provided. In some embodiments, the system comprises: first detectors configured to detect a level of photons proportional to incident photon flux; second detectors configured to detect arrival of individual photons; a processor programmed to: receive, from the first detectors, first values indicative of photon flux from a scene with a first resolution; receive, from the second detectors, second values indicative of photon flux from the scene with a lower resolution; provide a first encoder of a trained machine learning model first flux values based on the first values, provide the second encoder of the model second flux values; receive, as output, values indicative of photon flux from the scene; and generate a high dynamic range image based on the third plurality of values.Type: GrantFiled: January 10, 2022Date of Patent: September 12, 2023Assignee: Wisconsin Alumni Research FoundationInventors: Felipe Gutierrez Barragan, Yuhao Liu, Atul Ingle, Mohit Gupta, Andreas Velten
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Publication number: 20230224599Abstract: In accordance with some embodiments, systems, methods, and media for high dynamic range imaging using single-photon and conventional image sensor data are provided. In some embodiments, the system comprises: first detectors configured to detect a level of photons proportional to incident photon flux; second detectors configured to detect arrival of individual photons; a processor programmed to: receive, from the first detectors, first values indicative of photon flux from a scene with a first resolution; receive, from the second detectors, second values indicative of photon flux from the scene with a lower resolution; provide a first encoder of a trained machine learning model first flux values based on the first values, provide the second encoder of the model second flux values; receive, as output, values indicative of photon flux from the scene; and generate a high dynamic range image based on the third plurality of values.Type: ApplicationFiled: January 10, 2022Publication date: July 13, 2023Applicant: Wisconsin Alumni Research FoundationInventors: Felipe Gutierrez Barragan, Yuhao Liu, Atul Ingle, Mohit Gupta, Andreas Velten
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Patent number: 11590327Abstract: An optical guidewire system employs an optical guidewire (10), an optical guidewire controller (12), a guide interface (13) and an optical connector (15). The optical guidewire (10) is for advancing a catheter (20) to a target region relative to a distal end of the optical guidewire (10), wherein the optical guidewire (10) includes one or more guidewire fiber cores (11) for generating an encoded optical signal (16) indicative of a shape of the optical guidewire (10). The optical guidewire controller (12) is responsive to the encoded optical signal (16) for reconstructing the shape of the optical guidewire (10). The guidewire interface (13) includes one or more interface fiber core(s) (14) optically coupled to the optical guidewire controller (12). The optical connector (15) facilitates a connection, disconnection and reconnection of the optical guidewire (10) to the guidewire interface (13) that enables a backloading the catheter (20) on the optical guidewire (10).Type: GrantFiled: November 14, 2019Date of Patent: February 28, 2023Assignee: KONINKLIJKE PHILIPS N.V.Inventors: Luis Felipe Gutierrez, Robert Manzke, Raymond Chan
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Publication number: 20220224881Abstract: A method, apparatus and device for camera calibration, and a storage medium. A camera to be calibrated for performing depth estimation on a scene is determined. A first correlation function for characterizing a correlation between a sensor modulation signal of the camera to be calibrated and a first modulated light emission signal is determined. A second correlation function for characterizing an actual correlation function produced by the camera to be calibrated is determined. A calibrated impulse response based on the first correlation function and the second correlation function is determined. The camera to be calibrated is calibrated based on the calibrated impulse response, to obtain the calibrated camera.Type: ApplicationFiled: March 29, 2022Publication date: July 14, 2022Inventors: Felipe GUTIERREZ-BARRAGAN, Huaijin CHEN, Jinwei GU
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Patent number: 11033181Abstract: A system and method for accounting for motion of a target in a medical procedure includes an endoscope (302) including a tracking mechanism (304) for tracking positions and orientations of the endoscope. Memory storage (310) is configured to record the positions of the endoscope when positioned at or near moving target tissue. A motion sensor (312) is configured to track cyclical motion of an organ such that the cyclical motion of the organ can be correlated to the recorded positions of the endoscope and the target tissue.Type: GrantFiled: December 21, 2017Date of Patent: June 15, 2021Assignee: KONINKLIJKE PHILIPS N.V.Inventors: Xin Liu, Luis Felipe Gutierrez
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Patent number: 10925567Abstract: A system and method for adaptive imaging include a shape sensing system (115, 117) coupled to an interventional device (102) to measure spatial characteristics of the interventional device in a subject. An image module (130) is configured to receive the spatial characteristics and generate one or more control signals in accordance with the spatial characteristics. An imaging device (110) is configured to image the subject in accordance with the control signals.Type: GrantFiled: October 24, 2011Date of Patent: February 23, 2021Assignee: KONINKLIJKE PHILIPS N.V.Inventors: Raymond Chan, Jinnan Wang, Adrien Emmanuel Desjardins, Luis Felipe Gutierrez, Maya Ella Barley, Gert Wim 'T Hooft
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Patent number: 10850126Abstract: A system and methods for adaptive placement of a treatment element include a placement device (134), and a localization system (120) configured to track progress of the placement device such that a position of a treatment element (146, 132) placed by or to be placed by the placement device is stored in memory. A computer system (142) includes a program (104) implemented in computer readable storage media and configured to compute an effect of the treatment element at the position and determine whether a dosage amount has been achieved by the treatment element for treatment of an organ.Type: GrantFiled: May 27, 2011Date of Patent: December 1, 2020Assignee: KONINKLIJKE PHILIPS N.V.Inventors: Dirk Binnekamp, Luis Felipe Gutierrez, Neil David Glossop, Jochen Kruecker, Shriram Sethuraman
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Patent number: 10739447Abstract: In accordance with some embodiments, systems, methods and media for encoding and decoding signals used in time-of-flight imaging are provided. In some embodiments, a method for estimating the depth of a scene is provided, comprising: causing a light source to emit modulated light toward the scene based on a modulation function; causing the image sensor to generate a first value based on the modulated light and a first demodulation function of K modulation functions; causing the image sensor to generate a second value; causing the image sensor to generate a third value; and determining a depth estimate for the portion of the scene based on the first value, the second value, the third value, and three correlation functions each including at least one half of a trapezoid wave.Type: GrantFiled: September 8, 2017Date of Patent: August 11, 2020Assignees: Wisconsin Alumni Research Foundation, The Trustees of Columbia University in the City of New YorkInventors: Felipe Gutierrez Barragan, Mohit Gupta, Andreas Velten, Eric Breitbach, Shree K. Nayar
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Publication number: 20200078569Abstract: An optical guidewire system employs an optical guidewire (10), an optical guidewire controller (12), a guide interface (13) and an optical connector (15). The optical guidewire (10) is for advancing a catheter (20) to a target region relative to a distal end of the optical guidewire (10), wherein the optical guidewire (10) includes one or more guidewire fiber cores (11) for generating an encoded optical signal (16) indicative of a shape of the optical guidewire (10). The optical guidewire controller (12) is responsive to the encoded optical signal (16) for reconstructing the shape of the optical guidewire (10). The guidewire interface (13) includes one or more interface fiber core(s) (14) optically coupled to the optical guidewire controller (12). The optical connector (15) facilitates a connection, disconnection and reconnection of the optical guidewire (10) to the guidewire interface (13) that enables a backloading the catheter (20) on the optical guidewire (10).Type: ApplicationFiled: November 14, 2019Publication date: March 12, 2020Inventors: Luis Felipe GUTIERREZ, Robert MANZKE, Raymond CHAN
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Patent number: 10507306Abstract: An optical guidewire system employs an optical guidewire (10), an optical guidewire controller (12), a guide interface (13) and an optical connector (15). The optical guidewire (10) is for advancing a catheter (20) to a target region relative to a distal end of the optical guidewire (10), wherein the optical guidewire (10) includes one or more guidewire fiber cores (11) for generating an encoded optical signal (16) indicative of a shape of the optical guidewire (10). The optical guidewire controller (12) is responsive to the encoded optical signal (16) for reconstructing the shape of the optical guidewire (10). The guidewire interface (13) includes one or more interface fiber core(s) (14) optically coupled to the optical guidewire controller (12). The optical connector (15) facilitates a connection, disconnection and reconnection of the optical guidewire (10) to the guidewire interface (13) that enables a backloading the catheter (20) on the optical guidewire (10).Type: GrantFiled: August 29, 2011Date of Patent: December 17, 2019Assignee: KONINKLIJKE PHILIPS N.V.Inventors: Luis Felipe Gutierrez, Robert Manzke, Raymond Chan
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Patent number: 10456594Abstract: A brachytherapy method and apparatus include implanting an applicator having at least one radiation source or seed receiving channel (62) into soft tissue adjacent a target region (40) to be irradiated. A high resolution planning image (64) of the target region including the applicator is generated, wherein the high resolution planning image is used for determining a three-dimensional treatment plan (66). A position of the applicator is tracked relative to the target region (40) and the treatment plan (66). Tracking the position includes measuring, via shape-sensing, a location and shape of the at least one radiation source or seed receiving channel (62).Type: GrantFiled: November 17, 2010Date of Patent: October 29, 2019Assignee: KONINKLIJKE PHILIPS N.V.Inventors: Laurent Verard, Luis Felipe Gutierrez, Dirk Binnekamp
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Patent number: 10456595Abstract: A system for interventional brachytherapy for generating data to be used directly for therapy and/or for therapy planning includes a radiation source which irradiates tissue of a patient and one or more radiation detectors which detect radiation delivered to the patient and generate radiation dosage data indicative thereof. One or more position sensors determine the position of the radiation source and a localization unit, in communication with the one or more position sensors, generates position data indicative of the position of the radiation source. An image database stores one or more anatomical images of the patient. A dose calculation unit which co-registers the one or more anatomical images with the positional and radiation dosage data and generates dose monitoring data based on the co-registration.Type: GrantFiled: July 7, 2014Date of Patent: October 29, 2019Assignee: KONINKLIJKE PHILIPS N.V.Inventors: Carolina Ribbing, Raymond Chan, Luis Felipe Gutierrez
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Publication number: 20190146073Abstract: In accordance with some embodiments, systems, methods and media for encoding and decoding signals used in time-of-flight imaging are provided. In some embodiments, a method for estimating the depth of a scene is provided, comprising: causing a light source to emit modulated light toward the scene based on a modulation function; causing the image sensor to generate a first value based on the modulated light and a first demodulation function of K modulation functions; causing the image sensor to generate a second value; causing the image sensor to generate a third value; and determining a depth estimate for the portion of the scene based on the first value, the second value, the third value, and three correlation functions each including at least one half of a trapezoid wave.Type: ApplicationFiled: September 8, 2017Publication date: May 16, 2019Inventors: Felipe Gutierrez, Mohit Gupta, Andreas Velten, Eric Breitbach, Shree K. Nayar
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Patent number: 10130330Abstract: In one aspect, an ultrasound receive beamformer is configured for one-way only beamforming of transmissive ultrasound using one-way delays. The receive beamforming in some embodiments is used to track, in real time, a catheter, needle or other surgical tool within an image of a region of interest. The tool can have embedded at its tip a small ultrasound transmitter or receiver for transmitting or receiving the transmissive ultrasound. Optionally, additional transducers are fixed along the tool to provide the orientation of the tool.Type: GrantFiled: March 6, 2017Date of Patent: November 20, 2018Assignee: KONINKLIJKE PHILIPS N.V.Inventors: Francois Guy Gerard Marie Vignon, William Tao Shi, Jean-Luc Robert, Ameet Kumar Jain, Luis Felipe Gutierrez
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Publication number: 20180110408Abstract: A system and method for accounting for motion of a target in a medical procedure includes an endoscope (302) including a tracking mechanism (304) for tracking positions and orientations of the endoscope. Memory storage (310) is configured to record the positions of the endoscope when positioned at or near moving target tissue. A motion sensor (312) is configured to track cyclical motion of an organ such that the cyclical motion of the organ can be correlated to the recorded positions of the endoscope and the target tissue.Type: ApplicationFiled: December 21, 2017Publication date: April 26, 2018Inventors: Xin Liu, Luis Felipe Gutierrez
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Patent number: 9861271Abstract: A system and method for accounting for motion of a target in a medical procedure includes an endoscope (302) including a tracking mechanism (304) for tracking positions and orientations of the endoscope. Memory storage (310) is configured to record the positions of the endoscope when positioned at or near moving target tissue. A motion sensor (312) is configured to track cyclical motion of an organ such that the cyclical motion of the organ can be correlated to the recorded positions of the endoscope and the target tissue.Type: GrantFiled: January 14, 2011Date of Patent: January 9, 2018Assignee: Koninklijke Philips N.V.Inventors: Xin Liu, Luis Felipe Gutierrez
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Publication number: 20170172539Abstract: In one aspect, an ultrasound receive beamformer (212) is configured for one-way only beamforming (112) of transmissive ultrasound using one-way delays. The receive beamforming in some embodiments is used to track, in real time, a catheter, needle or other surgical tool within an image of a region of interest. The tool can have embedded at its tip a small ultrasound transmitter or receiver for transmitting or receiving the transmissive ultrasound. Optionally, additional transducers are fixed along the tool to provide the orientation of the tool.Type: ApplicationFiled: March 6, 2017Publication date: June 22, 2017Inventors: FRANCOIS GUY GERARD MARIE VIGNON, WILLIAM TAO SHI, JEAN-LUC ROBERT, AMEET KUMAR JAIN, LUIS FELIPE GUTIERREZ
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Patent number: 9585628Abstract: In one aspect, an ultrasound receive beamformer is configured for one-way only beamforming of transmissive ultrasound using one-way delays. The receive beamforming in some embodiments is used to track, in real time, a catheter, needle or other surgical tool within an image of a region of interest. The tool can have embedded at its tip a small ultrasound transmitter or receiver for transmitting or receiving the transmissive ultrasound. Optionally, additional transducers are fixed along the tool to provide the orientation of the tool.Type: GrantFiled: December 3, 2015Date of Patent: March 7, 2017Assignee: KONINKLIJKE PHILIPS N.V.Inventors: Francois Guy Gerard Marie Vignon, William Tao Shi, Jean-Luc Robert, Ameet Kumar Jain, Luis Felipe Gutierrez
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Publication number: 20160120499Abstract: In one aspect, an ultrasound receive beamformer (212) is configured for one-way only beamforming (112) of transmissive ultrasound using one-way delays. The receive beamforming in some embodiments is used to track, in real time, a catheter, needle or other surgical tool within an image of a region of interest. The tool can have embedded at its tip a small ultrasound transmitter or receiver for transmitting or receiving the transmissive ultrasound. Optionally, additional transducers are fixed along the tool to provide the orientation of the tool.Type: ApplicationFiled: December 3, 2015Publication date: May 5, 2016Inventors: FRANCOIS GUY GERARD MARIE VIGNON, WILLIAM TAO SHI, JEAN-LUC ROBERT, AMEET KUMAR JAIN, LUIS FELIPE GUTIERREZ