Patents by Inventor Michael L. Lightstone
Michael L. Lightstone 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: 8094239Abstract: Field-based detection of 3:2 pulldown in a sequence of digital video fields using a programmable graphics processor is described. The detection is performed using a threshold value to determine equivalence between a pair of fields of digital video data. Furthermore, additional threshold values may be used to control switching into a mode where duplicated fields of digital video data are identified and not displayed and out of the mode where duplicated fields of digital video data are identified and not displayed. Look ahead can be used to detect when to switch into or out of the mode where duplicated fields of digital video data are identified and not displayed, reducing the occurrence of visual artifacts.Type: GrantFiled: November 30, 2007Date of Patent: January 10, 2012Assignee: NVIDIA CorporationInventors: Jonathan B. White, Michael L. Lightstone
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Patent number: 8068181Abstract: Field-based detection of 3:2 pulldown in a sequence of digital video fields using a programmable graphics processor is described. The detection is performed using a threshold value to determine equivalence between a pair of fields of digital video data. Furthermore, additional threshold values may be used to control switching into a mode where duplicated fields of digital video data are identified and not displayed and out of the mode where duplicated fields of digital video data are identified and not displayed. Look ahead can be used to detect when to switch into or out of the mode where duplicated fields of digital video data are identified and not displayed, reducing the occurrence of visual artifacts.Type: GrantFiled: November 30, 2007Date of Patent: November 29, 2011Assignee: NVIDIA CorporationInventors: Jonathan B. White, Michael L. Lightstone
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Patent number: 8035750Abstract: Field-based detection of 3:2 pulldown in a sequence of digital video fields using a programmable graphics processor is described. The detection is performed using a threshold value to determine equivalence between a pair of fields of digital video data. Furthermore, additional threshold values may be used to control switching into a mode where duplicated fields of digital video data are identified and not displayed and out of the mode where duplicated fields of digital video data are identified and not displayed. Look ahead can be used to detect when to switch into or out of the mode where duplicated fields of digital video data are identified and not displayed, reducing the occurrence of visual artifacts.Type: GrantFiled: November 30, 2007Date of Patent: October 11, 2011Assignee: NVIDIA CorporationInventors: Jonathan B. White, Michael L. Lightstone
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Patent number: 8004613Abstract: Field-based detection of 3:2 pulldown in a sequence of digital video fields using a programmable graphics processor is described. The detection is performed using a threshold value to determine equivalence between a pair of fields of digital video data. Furthermore, additional threshold values may be used to control switching into a mode where duplicated fields of digital video data are identified and not displayed and out of the mode where duplicated fields of digital video data are identified and not displayed. Look ahead can be used to detect when to switch into or out of the mode where duplicated fields of digital video data are identified and not displayed, reducing the occurrence of visual artifacts.Type: GrantFiled: November 30, 2007Date of Patent: August 23, 2011Assignee: NVIDIA CorporationInventors: Jonathan B. White, Michael L. Lightstone
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Patent number: 7995150Abstract: Field-based detection of 3:2 pulldown in a sequence of digital video fields using a programmable graphics processor is described. The detection is performed using a threshold value to determine equivalence between a pair of fields of digital video data. Furthermore, additional threshold values may be used to control switching into a mode where duplicated fields of digital video data are identified and not displayed and out of the mode where duplicated fields of digital video data are identified and not displayed. Look ahead can be used to detect when to switch into or out of the mode where duplicated fields of digital video data are identified and not displayed, reducing the occurrence of visual artifacts.Type: GrantFiled: November 30, 2007Date of Patent: August 9, 2011Assignee: NVIDIA CorporationInventors: Jonathan B. White, Michael L. Lightstone
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Patent number: 7894002Abstract: Field-based detection of 3:2 pulldown in a sequence of digital video fields using a programmable graphics processor is described. The detection is performed using a threshold value to determine equivalence between a pair of fields of digital video data. Furthermore, additional threshold values may be used to control switching into a mode where duplicated fields of digital video data are identified and not displayed and out of the mode where duplicated fields of digital video data are identified and not displayed. Look ahead can be used to detect when to switch into or out of the mode where duplicated fields of digital video data are identified and not displayed, reducing the occurrence of visual artifacts.Type: GrantFiled: November 30, 2007Date of Patent: February 22, 2011Assignee: NVIDIA CorporationInventors: Jonathan B. White, Michael L. Lightstone
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Patent number: 7800699Abstract: Field-based detection of 3:2 pulldown in a sequence of digital video fields using a programmable graphics processor is described. The detection is performed using a threshold value to determine equivalence between a pair of fields of digital video data. Furthermore, additional threshold values may be used to control switching into a mode where duplicated fields of digital video data are identified and not displayed and out of the mode where duplicated fields of digital video data are identified and not displayed. Look ahead can be used to detect when to switch into or out of the mode where duplicated fields of digital video data are identified and not displayed, reducing the occurrence of visual artifacts.Type: GrantFiled: April 16, 2003Date of Patent: September 21, 2010Assignee: NVIDIA CorporationInventors: Jonathan B. White, Michael L. Lightstone
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Patent number: 7584475Abstract: A software program includes at least two performance levels. Each performance level has an associated processor utilization. Each performance level corresponds to optimization criteria, such as a quality of data processing performed by the software program. The performance level is selected to maintain processor utilization by the software program within constraints, such as a desired range of processor utilization and a minimum idle thread allocation.Type: GrantFiled: November 20, 2003Date of Patent: September 1, 2009Assignee: Nvidia CorporationInventors: Michael L. Lightstone, Stefan Eckart, Hassane S. Azar
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Patent number: 7535959Abstract: A video encoder includes a programmable rate controller. In one embodiment, the programmable rate controller includes a variable bit rate controller, a constant bit rate controller, and an arbitration logic for selecting one of the two outputs. An embodiment of a variable bit rate controller tracks long-term changes to average bit rate. An embodiment of a constant bit rate controller classifies macroblock types, determines a statistical indicator of complexity for each macroblock type, and generates a target bit rate based on estimated complexity.Type: GrantFiled: October 16, 2003Date of Patent: May 19, 2009Assignee: NVIDIA CorporationInventors: Michael L. Lightstone, Stefan Eckart
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Patent number: 7277581Abstract: The invention provide methods and code for better detecting 3:2 pulldown or other video formats. In one respect, embodiments of the invention improve the way in which fields of video data are compared. In another respect, embodiments of the invention provide pattern matching techniques and code for processing the field difference data.Type: GrantFiled: August 19, 2003Date of Patent: October 2, 2007Assignee: NVIDIA CorporationInventors: Michael L. Lightstone, Stefan Eckart
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Publication number: 20040207751Abstract: Field-based detection of 3:2 pulldown in a sequence of digital video fields using a programmable graphics processor is described. The detection is performed using a threshold value to determine equivalence between a pair of fields of digital video data. Furthermore, additional threshold values may be used to control switching into a mode where duplicated fields of digital video data are identified and not displayed and out of the mode where duplicated fields of digital video data are identified and not displayed. Look ahead can be used to detect when to switch into or out of the mode where duplicated fields of digital video data are identified and not displayed, reducing the occurrence of visual artifacts.Type: ApplicationFiled: April 16, 2003Publication date: October 21, 2004Inventors: Jonathan B. White, Michael L. Lightstone
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Patent number: 6400895Abstract: The present invention provides a method for improving playback consistency of an encoded video stream. The method of the present invention first determines whether a series of values of the progressive_frame flag of consecutive frames of the encoded video stream are arranged in a predetermined pattern. If the values are arranged in the predetermined pattern, an image of at least one of the frames is displayed progressively regardless of the value of the progressive_frame flag of that frame. As a result, the video stream is played back as if the movie had been consistently encoded in the first place.Type: GrantFiled: January 26, 1999Date of Patent: June 4, 2002Assignee: ATI International SRLInventors: Richard Whitby Webb, Michael L. Lightstone