Patents by Inventor Xuan Fu
Xuan Fu 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: 9738776Abstract: The present invention provides a process for making a silica masterbatch that contains hydrophobated silica, solution-made rubber and emulsion-made rubber. Hydrophobated silica is mixed into a latex emulsion. Solution-rubber crumb in an aqueous suspension is mixed into the latex emulsion, which is coagulated, and a crumb is recovered, further homogenized, dried and baled to yield the silica masterbatch. A well-dispersed mixture of hydrophobated silica and emulsion-made rubber is added into a steam distillation step of a solution-rubber process from which a silica masterbatch is recovered. The emulsion-made rubber can be omitted to make a silica masterbatch of solution rubber and silica without emulsion rubber. The silica masterbatch has physical properties similar to those found in a comparable dry-mixed composition, but the silica masterbatch can be incorporated more easily and less expensively into tires and other rubber products than the dry-mixed composition.Type: GrantFiled: February 19, 2015Date of Patent: August 22, 2017Assignee: Industrias Negromex, S.A. de C.V.Inventors: Christopher J. Hardiman, Xuan Fu, Robert J. Scribner, Julian Maldonado Valenzuela
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Patent number: 9443286Abstract: The embodiments provide an image processing method and apparatus, which combine a wavelet transform method with a non-local means method, comprising: performing N-level decomposition of an original gray image by using a wavelet transform method; and performing non-local means processing and wavelet reconstruction of each level of components one by one starting from an N-th level, so as to obtain a processed gray image. The image processing method and apparatus can effectively remove various image noises, and well reserve the image details.Type: GrantFiled: March 28, 2014Date of Patent: September 13, 2016Assignee: FUJITSU LIMITEDInventors: Jianrong Wu, Xuan Fu, Zheng Wang, Akihiro Higashi
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Patent number: 9299163Abstract: A method and apparatus for processing a gray image, including: calculating a mean value and a standard difference of each edge pixel needing processing in an original gray image, and determining a predefined noise variance of each edge pixel according to the mean value and the standard difference; performing two-dimensional discrete cosine transform on an original gray image of a first adjacent area of each edge pixel; performing Wiener filtering on the two-dimensional discrete cosine transformed image data according to the noise variance; performing discrete cosine inverse transform on the two-dimensional Wiener filtered image data to obtain a filtered gray image of the first adjacent area; and extracting a filtered pixel value of each edge pixel from the filtered gray image of the first adjacent area, and obtaining a processed pixel value of each edge pixel by performing weighted summation on the filtered pixel value and an original pixel value.Type: GrantFiled: May 29, 2014Date of Patent: March 29, 2016Assignee: FUJITSU LIMITEDInventors: Jianrong Wu, Xuan Fu, Akihiro Higashi
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Patent number: 9286660Abstract: Embodiments provide a filtering method and device in image processing. The device includes: a dividing unit to divide a first filtering window into blocks; a determining unit to determine a filtering window area according to relevance between a central block and other non-central blocks in the blocks; and a filtering unit to perform filtering processing on an image in the determined filtering window area. With the method and device of the embodiments, a boundary of an object will not be crossed in filtering, and in removing noise, information on other objects will not be introduced to affect the result of filtering. A filtering window size may be determined while filtering is performing, which may be carried out in one path, avoiding time delay resulting from execution of two paths of a conventional method where an edge is detected and then the size of a filtering window is determined.Type: GrantFiled: June 6, 2014Date of Patent: March 15, 2016Assignee: FUJITSU LIMITEDInventors: Xuan Fu, Jiangli Ye
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Patent number: 9267023Abstract: A method of using metallized and nonmetallized nanostructured chemicals as surface and volume modification agents within polymers and on the surfaces of nano and macroscopic particulates and fillers. Because of their 0.5 nm-3.0 nm size, nanostructured chemicals can be utilized to greatly increase surface area, improve compatibility, and promote lubricity between surfaces at a length scale not previously attainable.Type: GrantFiled: March 25, 2014Date of Patent: February 23, 2016Assignee: Hybrid Plastics, Inc.Inventors: Joseph D. Lichtenhan, Xuan Fu, Marion R. Blue, Paul Wheeler, Rahul Misra, Sarah Morgan
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Patent number: 9256929Abstract: Embodiments provide a filtering method and apparatus for recovering an anti-aliasing edge. The method includes: calculating, for a nonlinearly filtered image, a variance value of an area surrounding a current pixel used for identifying an edge of the image; and re-filtering the current pixel when the variance value is greater than a predefined first threshold value, so as to recover an anti-aliasing edge. With the embodiments of the present application, aliasing noises resulted from nonlinear transform may be alleviated, thereby recovering an anti-aliasing edge of a natural object.Type: GrantFiled: June 11, 2014Date of Patent: February 9, 2016Assignee: FUJITSU LIMITEDInventors: Xuan Fu, Jiangli Ye
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Publication number: 20150365697Abstract: An image encoding method includes scanning each pixel in a CU, so as to record color values of color components of each pixel, selecting any color component from the color components as a reference color, and mapping color values of other color components in the color components into color values corresponding to the reference color, so that the color values of the color components are color values based on the reference color, generating a color index table according to the mapped color values of the color components, replacing the color values of the color components of the pixel with index values in the index table to which the color values of the color components of the pixel correspond, and performing entropy encoding on the CU according to the index table and an index value corresponding to each pixel.Type: ApplicationFiled: June 8, 2015Publication date: December 17, 2015Applicant: FUJITSU LIMITEDInventors: Jiangli YE, Xuan FU
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Patent number: 9167175Abstract: The present invention discloses a flicker detection method and a flicker detection apparatus. The method includes: calculating the mean values of selected rows of image frames to constitute a mean value vector; calculating a differential vector between the mean value vectors of a current frame and a previous frame; calculating a DC-free difference vector; building a first square wave and a second square wave, and a third square wave and a fourth square wave; calculating a first frequency reference value; calculating a second frequency reference value; and if the difference between the first and second frequency reference values is above a threshold, then it is determined that flicker is present in the current frame; otherwise, it is determined that no flicker is present.Type: GrantFiled: July 21, 2014Date of Patent: October 20, 2015Assignee: FUJITSU LIMITEDInventors: Jianrong Wu, Xuan Fu, Akihiro Higashi
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Patent number: 9165346Abstract: Embodiments of the present invention provide a method and an apparatus for reducing image noise. The method includes decomposing an original image into a luminance channel image and at least one chrominance channel image, and calculating a weighted average value of each pixel of the luminance channel image and the chrominance channel image by using luminance information, to correct each pixel of the luminance channel image and the chrominance channel image. By virtue of the embodiments of the present invention, it is possible to effectively avoid color dispersion at edges of images, to achieve easy implementation, and to effect low cost.Type: GrantFiled: April 25, 2014Date of Patent: October 20, 2015Assignee: FUJITSU LIMITEDInventors: Xuan Fu, Jiangli Ye
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Patent number: 9148583Abstract: The present invention discloses a flicker detection method and a flicker detection apparatus. The method includes: calculating the mean values of selected rows of image frames to constitute a mean value vector; calculating a differential vector between the mean value vectors of a current frame and a previous frame; calculating a DC-free difference vector by subtracting a direct current component from respective elements of the differential vector; calculating a power spectrum corresponding to the DC-free difference vector; obtaining a first frequency reference value; obtaining a second frequency reference value; and if the difference between the first and second frequency reference values is above a threshold, then it is determined that flicker is present in the current frame; otherwise, it is determined that no flicker is present.Type: GrantFiled: July 21, 2014Date of Patent: September 29, 2015Assignee: FUJITSU LIMITEDInventors: Jianrong Wu, Xuan Fu, Akihiro Higashi
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Publication number: 20150252176Abstract: The present invention provides a process for making a silica masterbatch that contains hydrophobated silica, solution-made rubber and emulsion-made rubber. Hydrophobated silica is mixed into a latex emulsion. Solution-rubber crumb in an aqueous suspension is mixed into the latex emulsion, which is coagulated, and a crumb is recovered, further homogenized, dried and baled to yield the silica masterbatch. A well-dispersed mixture of hydrophobated silica and emulsion-made rubber is added into a steam distillation step of a solution-rubber process from which a silica masterbatch is recovered. The emulsion-made rubber can be omitted to make a silica masterbatch of solution rubber and silica without emulsion rubber. The silica masterbatch has physical properties similar to those found in a comparable dry-mixed composition, but the silica masterbatch can be incorporated more easily and less expensively into tires and other rubber products than the dry-mixed composition.Type: ApplicationFiled: February 19, 2015Publication date: September 10, 2015Applicant: Industrias Negromex, S.A. de C.V.Inventors: Christopher J. Hardiman, Xuan Fu, Robert J. Scribner, Julian Maldonado Valenzuela
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Publication number: 20150029360Abstract: The present invention discloses a flicker detection method and a flicker detection apparatus. The method includes: calculating the mean values of selected rows of image frames to constitute a mean value vector; calculating a differential vector between the mean value vectors of a current frame and a previous frame; calculating a DC-free difference vector; building a first square wave and a second square wave, and a third square wave and a fourth square wave; calculating a first frequency reference value; calculating a second frequency reference value; and if the difference between the first and second frequency reference values is above a threshold, then it is determined that flicker is present in the current frame; otherwise, it is determined that no flicker is present.Type: ApplicationFiled: July 21, 2014Publication date: January 29, 2015Applicant: Fujitsu LimitedInventors: Jianrong WU, Xuan FU, Akihiro HIGASHI
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Publication number: 20150022686Abstract: The present invention discloses a flicker detection method and a flicker detection apparatus. The method includes: calculating the mean values of selected rows of image frames to constitute a mean value vector; calculating a differential vector between the mean value vectors of a current frame and a previous frame; calculating a DC-free difference vector by subtracting a direct current component from respective elements of the differential vector; calculating a power spectrum corresponding to the DC-free difference vector; obtaining a first frequency reference value; obtaining a second frequency reference value; and if the difference between the first and second frequency reference values is above a threshold, then it is determined that flicker is present in the current frame; otherwise, it is determined that no flicker is present.Type: ApplicationFiled: July 21, 2014Publication date: January 22, 2015Applicant: Fujitsu LimitedInventors: Jianrong WU, Xuan FU, Akihiro HIGASHI
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Publication number: 20140369600Abstract: Embodiments provide a filtering method and apparatus for recovering an anti-aliasing edge. The method includes: calculating, for a nonlinearly filtered image, a variance value of an area surrounding a current pixel used for identifying an edge of the image; and re-filtering the current pixel when the variance value is greater than a predefined first threshold value, so as to recover an anti-aliasing edge. With the embodiments of the present application, aliasing noises resulted from nonlinear transform may be alleviated, thereby recovering an anti-aliasing edge of a natural object.Type: ApplicationFiled: June 11, 2014Publication date: December 18, 2014Applicant: Fujitsu Limited,Inventors: Xuan FU, Jiangli YE
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Publication number: 20140363080Abstract: Embodiments provide a filtering method and device in image processing. The device includes: a dividing unit to divide a first filtering window into blocks; a determining unit to determine a filtering window area according to relevance between a central block and other non-central blocks in the blocks; and a filtering unit to perform filtering processing on an image in the determined filtering window area. With the method and device of the embodiments, a boundary of an object will not be crossed in filtering, and in removing noise, information on other objects will not be introduced to affect the result of filtering. A filtering window size may be determined while filtering is performing, which may be carried out in one path, avoiding time delay resulting from execution of two paths of a conventional method where an edge is detected and then the size of a filtering window is determined.Type: ApplicationFiled: June 6, 2014Publication date: December 11, 2014Inventors: Xuan FU, Jiangli YE
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Publication number: 20140355877Abstract: A method and apparatus for processing a gray image, including: calculating a mean value and a standard difference of each edge pixel needing processing in an original gray image, and determining a predefined noise variance of each edge pixel according to the mean value and the standard difference; performing two-dimensional discrete cosine transform on an original gray image of a first adjacent area of each edge pixel; performing Wiener filtering on the two-dimensional discrete cosine transformed image data according to the noise variance; performing discrete cosine inverse transform on the two-dimensional Wiener filtered image data to obtain a filtered gray image of the first adjacent area; and extracting a filtered pixel value of each edge pixel from the filtered gray image of the first adjacent area, and obtaining a processed pixel value of each edge pixel by performing weighted summation on the filtered pixel value and an original pixel value.Type: ApplicationFiled: May 29, 2014Publication date: December 4, 2014Applicant: FUJITSU LIMITEDInventors: Jianrong WU, Xuan FU, Akihiro HIGASHI
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Publication number: 20140321744Abstract: Embodiments of the present invention provide a method and an apparatus for reducing image noise. The method includes decomposing an original image into a luminance channel image and at least one chrominance channel image, and calculating a weighted average value of each pixel of the luminance channel image and the chrominance channel image by using luminance information, to correct each pixel of the luminance channel image and the chrominance channel image. By virtue of the embodiments of the present invention, it is possible to effectively avoid color dispersion at edges of images, to achieve easy implementation, and to effect low cost.Type: ApplicationFiled: April 25, 2014Publication date: October 30, 2014Applicant: FUJITSU LIMITEDInventors: XUAN FU, JIANGLI YE
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Publication number: 20140294318Abstract: The embodiments provide an image processing method and apparatus, which combine a wavelet transform method with a non-local means method, comprising: performing N-level decomposition of an original gray image by using a wavelet transform method; and performing non-local means processing and wavelet reconstruction of each level of components one by one starting from an N-th level, so as to obtain a processed gray image. The image processing method and apparatus can effectively remove various image noises, and well reserve the image details.Type: ApplicationFiled: March 28, 2014Publication date: October 2, 2014Applicant: Fujitsu LimitedInventors: Jianrong Wu, Xuan Fu, Zheng Wang, Akihiro Higashi
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Publication number: 20140221544Abstract: A method of using metallized and nonmetallized nanostructured chemicals as surface and volume modification agents within polymers and on the surfaces of nano and macroscopic particulates and fillers. Because of their 0.5 nm-3.0 nm size, nanostructured chemicals can be utilized to greatly increase surface area, improve compatibility, and promote lubricity between surfaces at a length scale not previously attainable.Type: ApplicationFiled: March 25, 2014Publication date: August 7, 2014Applicant: Hybrid Plastics, Inc.Inventors: Joseph D. Lichtenhan, Xuan Fu, Marion R. Blue, Paul Wheeler, Rahul Misra, Sarah Morgan
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Patent number: 8680215Abstract: A method of using metallized and nonmetallized nanostructured chemicals as surface and volume modification agents within polymers and on the surfaces of nano and macroscopic particulates and fillers. Because of their 0.5 nm-3.0 nm size, nanostructured chemicals can be utilized to greatly increase surface area, improve compatibility, and promote lubricity between surfaces at a length scale not previously attainable.Type: GrantFiled: May 25, 2010Date of Patent: March 25, 2014Assignee: Hybrid Plastics, Inc.Inventors: Joseph D. Lichtenhan, Xuan Fu, Marion R. Blue, Paul Wheeler, Rahul Misra, Sarah Morgan