Patents by Inventor Marinus Bastiaan Van Leeuwen
Marinus Bastiaan Van Leeuwen 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: 9990723Abstract: An apparatus (MDS) and related method for image processing. The apparatus includes a multi-modal matcher (M). The matcher (M) operates to match a first reference (RF1) image against a stream (LF) of image frames (F1, F2). Once a match is found, the current reference image (RF1) is exchanged for a matching frame from the stream. The matcher (M) then attempts matching against subsequent frames in the stream by now using said matched frame as a new reference image. Once a further frame (Fm) is found that matches said new reference image, said further frame (Fm) is output as a best match.Type: GrantFiled: September 30, 2014Date of Patent: June 5, 2018Assignee: KONINKLIJKE PHILIPS N.V.Inventors: Marinus Bastiaan Van Leeuwen, Jelte Peter Vink
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Patent number: 9972068Abstract: The present invention relates to a method for registering and visualizing at least two images, the method comprising the steps of: measuring (S1) a navigation speed used by a user during a scrollable and/or zoomable visualization of a first image of the at least two images and comparing the navigation speed with a navigation speed threshold value; visualizing (S2) the first image by solving deformations of the first image using a first level of computational load, if the navigation speed is below the navigation speed threshold value; and visualizing (S3) the first image by solving deformations of the first image using a second level of computational load, if the navigation speed is above the navigation speed threshold value.Type: GrantFiled: January 29, 2015Date of Patent: May 15, 2018Assignee: KONINKLIJKE PHILIPS N.V.Inventors: Marinus Bastiaan van Leeuwen, Jelte Peter Vink
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Patent number: 9928607Abstract: The present invention relates to a device for obtaining a vital sign of a subject, comprising an interface (20) for receiving a set of image frames of a subject, a motion analysis unit (30) for analyzing at least one measurement area within the image frames of the set of image frames and for characterizing motion of the subject within the set of image frames, a signal extraction unit (40) for extracting photoplethysmographic, PPG, signals from the set of image frames using the characterization of motion of the subject within the set of image frames, and a vital signs determination unit (50) for determining vital sign information from the extracted PPG signals. The motion analysis unit comprises a motion estimation unit (32), a spatial characteristic extraction unit (34), and a motion characterization unit (36).Type: GrantFiled: October 15, 2014Date of Patent: March 27, 2018Assignee: KONINKLIJKE PHILIPS N.V.Inventors: Vincent Jeanne, Marinus Bastiaan Van Leeuwen, Michel Jozef Agnes Asselman
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Patent number: 9916515Abstract: A system for processing an image comprises a region detector (1). The region detector comprises an artifact detector (7) for detecting a region comprising an artifact in the image. The system comprises a parameter determining unit (2) for determining a parameter, based on a portion of the image excluding the detected region. The system comprises an image processing module (3) for processing the image, using the derived parameter. The system comprises a display unit (5) for displaying the processed image with an indication of the detected region. The parameter determined by the parameter determining unit (2) can comprise a normalization parameter, and the image processing module (3) can be arranged for performing a normalization of the image according to the normalization parameter.Type: GrantFiled: November 7, 2012Date of Patent: March 13, 2018Assignee: Koninklijke Philips N.V.Inventors: Jelte Peter Vink, Marinus Bastiaan Van Leeuwen
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Patent number: 9672629Abstract: A fluorescence image processing apparatus for enhancing a fluorescence image includes an image segmentation unit, a background determination unit a background reduction unit, and an image enhancement unit. The background and the area of interest of a glass slide are first segmented and then this segmentation is used to enhance the contrast between both areas.Type: GrantFiled: November 28, 2014Date of Patent: June 6, 2017Assignee: KONINKLIJKE PHILIPS N.V.Inventors: Jelte Peter Vink, Marinus Bastiaan Van Leeuwen
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Publication number: 20170116734Abstract: The present invention relates to an examining device (1) for processing and analyzing an image of a bio sample, an examining method for processing and analyzing an image of a bio sample, a computer program element for controlling such device (1), and a corresponding computer readable medium. The examining device (1) for processing and analyzing an image of a bio sample comprises an interface unit, an image analyzing unit, and a display unit. The interface unit is configured to provide an image of a bio sample. The image analyzing unit is configured to indicate a region of interest in the image as reference region, to extract a characteristic of the reference region from the image and to analyze the image for alternative regions with a similar characteristic. The display unit is configured to display the result of the analysis for alternative regions with a similar characteristic.Type: ApplicationFiled: March 31, 2015Publication date: April 27, 2017Applicant: Koninklijke Philips N.V.Inventors: MARINUS BASTIAAN VAN LEEUWEN, JELTE PETER VINK
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Publication number: 20170011489Abstract: The present invention relates to a method for registering and visualizing at least two images, the method comprising the steps of: measuring (S1) a navigation speed used by a user during a scrollable and/or zoomable visualization of a first image of the at least two images and comparing the navigation speed with a navigation speed threshold value; visualizing (S2) the first image by solving deformations of the first image using a first level of computational load, if the navigation speed is below the navigation speed threshold value; and visualizing (S3) the first image by solving deformations of the first image using a second level of computational load, if the navigation speed is above the navigation speed threshold value.Type: ApplicationFiled: January 29, 2015Publication date: January 12, 2017Inventors: MARINUS BASTIAAN VAN LEEUWEN, JELTE PETER VINK
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Publication number: 20160314594Abstract: The present invention relates to a fluorescence image processing apparatus (100) for enhancing a fluorescence image. The fluorescence image processing apparatus (100) comprises an image segmentation unit (110), a background determination unit (120), a background reduction unit (130), and an image enhancement unit (140). It is porposed to first segment the background and the area of interest of a glass slide and to use this segmentation to enhance the contrast between both. By that, scanning and staining time can be reduced, while after enhancement the image data has still a comfortable contrast for the human operator.Type: ApplicationFiled: November 28, 2014Publication date: October 27, 2016Inventors: JELTE PETER VINK, MARINUS BASTIAAN VAN LEEUWEN
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Publication number: 20160267656Abstract: An apparatus (MDS) and related method for image processing. The apparatus includes a multi-modal matcher (M). The matcher (M) operates to match a first reference (RF1) image against a stream (LF) of image frames (F1, F2). Once a match is found, the current reference image (RF1) is exchanged for a matching frame from the stream. The matcher (M) then attempts matching against subsequent frames in the stream by now using said matched frame as a new reference image. Once a further frame (Fm) is found that matches said new reference image, said further frame (Fm) is output as a best match.Type: ApplicationFiled: September 30, 2014Publication date: September 15, 2016Applicant: KONINKLIJKE PHILIPS N.V.Inventors: MARINUS BASTIAAN VAN LEEUWEN, JELTE PETER VINK
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Publication number: 20160253820Abstract: The present invention relates to a device for obtaining a vital sign of a subject, comprising an interface (20) for receiving a set of image frames of a subject, a motion analysis unit (30) for analysing at least one measurement area within the image frames of said set of image frames and for characterizing motion of the subject within said set of image frames, a signal extraction unit (40) for extracting photoplethysmographic, PPG, signals from said set of image frames using said characterization of motion of the subject within said set of image frames, and a vital signs determination unit (50) for determining vital sign information from said extracted PPG signals. The motion analysis unit comprises a motion estimation unit (32), a spatial characteristic extraction unit (34), and a motion characterization unit (36).Type: ApplicationFiled: October 15, 2014Publication date: September 1, 2016Inventors: Vincent JEANNE, Marinus Bastiaan VAN LEEUWEN, Michel Jozef Agnes ASSELMAN
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Publication number: 20160232670Abstract: A method for registration of images of tissue slices comprises: receiving a first image (18a) of a first tissue slice (14a) and a second image (18b) of a second tissue slice (14b), both tissue slices being prepared from the same tissue block (10); determining an unreliable area (27) in the first image (14a) showing folded tissue (15); and registering the first image (14a) and the second image by registering an area of the first image and the second image outside of the unreliable area.Type: ApplicationFiled: October 30, 2014Publication date: August 11, 2016Inventors: JELTE PETER VINK, MARINUS BASTIAAN VAN LEEUWEN
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Patent number: 9373168Abstract: An intelligent autofocus method and device for a digital pathology image, method are device are able to couple a feedback from the behavior of the user, for example by gaze tracking arrangement, to the actually focal representation of an image and adjust the imaging setup accordingly with regard to the focal plane. The adjustment is performed in such a way that the focal plane is selected which optimizes and sharpens the actual object of interest which was previously determined.Type: GrantFiled: June 28, 2012Date of Patent: June 21, 2016Assignee: KONINKLIJKE PHILIPS N.V.Inventors: Marinus Bastiaan Van Leeuwen, Jelte Peter Vink
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Patent number: 9107569Abstract: The invention provides for a medical instrument for examining the cervix comprising an optical examination system, a processor for controlling the medical instrument, and a memory containing machine executable instructions. Execution of the instructions causes the processor to: acquire a cervical image using the optical examination system; calculate a set of interest point locations using a digital filter; calculate a filtered set of interest point locations using the set of interest point locations and a morphological filter; calculate a reduced set of interest points locations using the filtered set of interest point locations and a neighborhood based filter; calculate a classified set of interest point locations reduced set of interest points and a trained classification module; calculate a set of punctation locations using the classified set of interest point locations and a second neighborhood based filter; and calculate punctation mark regions using the punctation point locations.Type: GrantFiled: March 12, 2012Date of Patent: August 18, 2015Assignee: Koninklijke Philips N.V.Inventors: Vipin Gupta, Caifeng Shan, Pallavi Vajinepalli, Payal Keswarpu, Marinus Bastiaan Van Leeuwen, Celine Firtion, Shankar Mosur Venkatesan, Jelte Peter Vink
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Publication number: 20140334711Abstract: A system for processing an image comprises a region detector (1). The region detector comprises an artifact detector (7) for detecting a region comprising an artifact in the image. The system comprises a parameter determining unit (2) for determining a parameter, based on a portion of the image excluding the detected region. The system comprises an image processing module (3) for processing the image, using the derived parameter. The system comprises a display unit (5) for displaying the processed image with an indication of the detected region. The parameter determined by the parameter determining unit (2) can comprise a normalization parameter, and the image processing module (3) can be arranged for performing a normalization of the image according to the normalization parameter.Type: ApplicationFiled: November 7, 2012Publication date: November 13, 2014Inventors: Jelte Peter Vink, Marinus Bastiaan Van Leeuwen
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Publication number: 20140169655Abstract: The present invention provides for an intelligent autofocus method and device for a digital pathology image, method are device are able to couple a feedback from the behaviour of the user, for example by gaze tracking arrangement, to the actually focal representation of an image and adjust the imaging setup accordingly with regard to the focal plane. The adjustment is performed in such a way that the focal plane is selected which optimizes and sharpens the actual object of interest which was previously determined.Type: ApplicationFiled: June 28, 2012Publication date: June 19, 2014Applicant: KONINKLIJKE PHILIPS N.V.Inventors: Marinus Bastiaan Van Leeuwen, Jelta Peter Vink
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Publication number: 20140005477Abstract: The invention provides for a medical instrument for examining the cervix comprising an optical examination system, a processor for controlling the medical instrument, and a memory containing machine executable instructions. Execution of the instructions causes the processor to: acquire a cervical image using the optical examination system; calculate a set of interest point locations using a digital filter; calculate a filtered set of interest point locations using the set of interest point locations and a morphological filter; calculate a reduced set of interest points locations using the filtered set of interest point locations and a neighborhood based filter; calculate a classified set of interest point locations reduced set of interest points and a trained classification module; calculate a set of punctation locations using the classified set of interest point locations and a second neighborhood based filter; and calculate punctation mark regions using the punctation point locations.Type: ApplicationFiled: March 12, 2012Publication date: January 2, 2014Applicant: KONINKLIJKE PHILIPS N.V.Inventors: Vipin Gupta, Caifeng Shan, Pallavi Vajinepalli, Payal Keswarpu, Marinus Bastiaan Van Leeuwen, Celine Firtion, Shankar Mosur Venkatesan, Jelte Peter Vink