Patents by Inventor Takumi Aragaki
Takumi Aragaki 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: 10849598Abstract: An ultrasonic measurement apparatus includes a transmission processing unit that performs processing for transmitting an ultrasonic wave with respect to a target object, a reception processing unit that performs reception processing of an ultrasonic echo with respect to the transmitted ultrasonic wave, and a processing unit that performs processing with respect to a reception signal from the reception processing unit. The processing unit performs coupling coefficient specification processing of a plurality of first basis waves which configure the reception signal, with respect to the reception signal corresponding to a transmission pulse signal which is transmitted by the transmission processing unit.Type: GrantFiled: October 30, 2015Date of Patent: December 1, 2020Inventor: Takumi Aragaki
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Publication number: 20160307483Abstract: An image display apparatus that displays an image on the basis of input image signals corresponding to sub-pixels forming one pixel includes a shift-amount storing unit that stores shift amounts of display positions of the sub-pixels relative to given reference positions in a display image, an image-signal correcting unit that corrects the input image signals according to the shift amounts, and an image display unit that displays an image on the basis of the image signals corrected by the image-signal correcting unit.Type: ApplicationFiled: June 28, 2016Publication date: October 20, 2016Applicant: SEIKO EPSON CORPORATIONInventors: Takumi ARAGAKI, Hiroshi HASEGAWA
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Patent number: 9406111Abstract: An image display apparatus that displays an image on the basis of input image signals corresponding to sub-pixels forming one pixel includes a shift-amount storing unit that stores shift amounts of display positions of the sub-pixels relative to given reference positions in a display image, an image-signal correcting unit that corrects the input image signals according to the shift amounts, and an image display unit that displays an image on the basis of the image signals corrected by the image-signal correcting unit.Type: GrantFiled: January 12, 2015Date of Patent: August 2, 2016Assignee: SEIKO EPSON CORPORATIONInventors: Takumi Aragaki, Hiroshi Hasegawa
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Publication number: 20160120514Abstract: An ultrasonic measurement device 100 includes a transmission processing unit 110 that performs processing for transmitting an ultrasonic wave to a subject, a reception processing unit 120 that performs processing for receiving an ultrasonic echo reflected by the transmitted ultrasonic wave, and a processing unit 130 that performs processing on a received signal from the reception processing unit 120. The processing unit 130 performs, on the received signal, processing for specifying the reflection intensities from point scatterers in the subject based on M basis waves (where M is an integer of 2 or more) at least two of which have phases shifted from each other with a phase difference smaller than a phase difference that corresponds to the pulse width of a transmission pulse signal transmitted from the transmission processing unit 110 or to the pulse width of a received signal in response to the transmission pulse signal.Type: ApplicationFiled: October 22, 2015Publication date: May 5, 2016Inventor: Takumi ARAGAKI
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Publication number: 20160120513Abstract: An ultrasonic measurement apparatus includes a transmission processing unit that performs processing for transmitting an ultrasonic wave with respect to a target object, a reception processing unit that performs reception processing of an ultrasonic echo with respect to the transmitted ultrasonic wave, and a processing unit that performs processing with respect to a reception signal from the reception processing unit. The processing unit performs coupling coefficient specification processing of a plurality of first basis waves which configure the reception signal, with respect to the reception signal corresponding to a transmission pulse signal which is transmitted by the transmission processing unit.Type: ApplicationFiled: October 30, 2015Publication date: May 5, 2016Inventor: Takumi ARAGAKI
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Publication number: 20150123989Abstract: An image display apparatus that displays an image on the basis of input image signals corresponding to sub-pixels forming one pixel includes a shift-amount storing unit that stores shift amounts of display positions of the sub-pixels relative to given reference positions in a display image, an image-signal correcting unit that corrects the input image signals according to the shift amounts, and an image display unit that displays an image on the basis of the image signals corrected by the image-signal correcting unit.Type: ApplicationFiled: January 12, 2015Publication date: May 7, 2015Inventors: Takumi ARAGAKI, Hiroshi HASEGAWA
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Patent number: 8963941Abstract: An image display apparatus that displays an image on the basis of input image signals corresponding to sub-pixels forming one pixel includes a shift-amount storing unit that stores shift amounts of display positions of the sub-pixels relative to given reference positions in a display image, an image-signal correcting unit that corrects the input image signals according to the shift amounts, and an image display unit that displays an image on the basis of the image signals corrected by the image-signal correcting unit.Type: GrantFiled: March 12, 2013Date of Patent: February 24, 2015Assignee: Seiko Epson CorporationInventors: Takumi Aragaki, Hiroshi Hasegawa
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Patent number: 8451389Abstract: An image processor that corrects image signals corresponding to sub-pixels which form one pixel includes: a shift amount storage section that stores shift amounts of display positions of display sub-pixels corresponding to the sub-pixels which form a display pixel with respect to a predetermined reference position within a display image; and an image signal correcting section that corrects image signals corresponding to sub-pixels, which form each pixel of an input image, on the basis of the shift amounts stored in the shift amount storage section. The image signal correcting section corrects image signals in which dummy image signals corresponding to dummy sub-pixels, which are provided outside sub-pixels in an endmost portion of the input image, are added to input image signals of the sub-pixels.Type: GrantFiled: February 22, 2012Date of Patent: May 28, 2013Assignee: Seiko Epson CorporationInventors: Takumi Aragaki, Hiroshi Hasegawa, Masashi Kanai
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Patent number: 8416259Abstract: An image display apparatus that displays an image on the basis of input image signals corresponding to sub-pixels forming one pixel includes a shift-amount storing unit that stores shift amounts of display positions of the sub-pixels relative to given reference positions in a display image, an image-signal correcting unit that corrects the input image signals according to the shift amounts, and an image display unit that displays an image on the basis of the image signals corrected by the image-signal correcting unit.Type: GrantFiled: February 22, 2012Date of Patent: April 9, 2013Assignee: Seiko Epson CorporationInventors: Takumi Aragaki, Hiroshi Hasegawa
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Patent number: 8297760Abstract: Embodiments include an image processing device having a lens-shift amount acquisition section adapted to acquire an amount of shift of a projection lens of an image display apparatus, and an image signal correction section adapted to correct the image signal corresponding to a sub-pixel of a pixel in accordance with the amount of shift acquired by the lens-shift amount acquisition section to correct displacement of the sub-pixel relative to another sub-pixel of the pixel due to the lens-shift.Type: GrantFiled: March 23, 2009Date of Patent: October 30, 2012Assignee: Seiko Epson CorporationInventors: Takumi Aragaki, Hiroshi Hasegawa
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Patent number: 8294740Abstract: An image processor that corrects image signals corresponding to sub-pixels which form one pixel, includes: a shift amount storage section that stores shift amounts of display positions of display sub-pixels corresponding to the sub-pixels which form a display pixel using a predetermined reference position within a display image as a reference position; a frequency analysis section that analyzes a spatial frequency of an input image and outputs an analysis result; and an image signal correcting section that performs correction processing of image signals corresponding to the sub-pixels, which form each pixel of the input image, on the basis of the analysis result and the shift amounts, wherein the image signal correcting section performs different correction processing according to the spatial frequency.Type: GrantFiled: July 27, 2009Date of Patent: October 23, 2012Assignee: Seiko Epson CorporationInventors: Takumi Aragaki, Hiroshi Hasegawa
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Patent number: 8248434Abstract: An image processing device adapted to correct a pixel value corresponding to a sub-pixel constituting a pixel includes a displacement amount storage section adapted to store a displacement amount of a display position of a display sub-pixel corresponding to the sub-pixel constituting a display pixel in a reference position in a display image plane, and a pixel value correction section adapted to correct the pixel value of the sub-pixel corresponding to the display sub-pixel at an end of the display image plane in accordance with the displacement amount stored in the displacement amount storage section.Type: GrantFiled: March 19, 2009Date of Patent: August 21, 2012Assignee: Seiko Epson CorporationInventors: Takumi Aragaki, Hiroshi Hasegawa
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Publication number: 20120147056Abstract: An image display apparatus that displays an image on the basis of input image signals corresponding to sub-pixels forming one pixel includes a shift-amount storing unit that stores shift amounts of display positions of the sub-pixels relative to given reference positions in a display image, an image-signal correcting unit that corrects the input image signals according to the shift amounts, and an image display unit that displays an image on the basis of the image signals corrected by the image-signal correcting unit.Type: ApplicationFiled: February 22, 2012Publication date: June 14, 2012Applicant: SEIKO EPSON CORPORATIONInventors: Takumi ARAGAKI, Hiroshi HASEGAWA
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Publication number: 20120147029Abstract: An image processor that corrects image signals corresponding to sub-pixels which form one pixel includes: a shift amount storage section that stores shift amounts of display positions of display sub-pixels corresponding to the sub-pixels which form a display pixel with respect to a predetermined reference position within a display image; and an image signal correcting section that corrects image signals corresponding to sub-pixels, which form each pixel of an input image, on the basis of the shift amounts stored in the shift amount storage section. The image signal correcting section corrects image signals in which dummy image signals corresponding to dummy sub-pixels, which are provided outside sub-pixels in an endmost portion of the input image, are added to input image signals of the sub-pixels.Type: ApplicationFiled: February 22, 2012Publication date: June 14, 2012Applicant: SEIKO EPSON CORPORATIONInventors: Takumi ARAGAKI, Hiroshi HASEGAWA, Masashi KANAI
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Patent number: 8144264Abstract: An image processor that corrects image signals corresponding to sub-pixels which form one pixel includes: a shift amount storage section that stores shift amounts of display positions of display sub-pixels corresponding to the sub-pixels which form a display pixel with respect to a predetermined reference position within a display image; and an image signal correcting section that corrects image signals corresponding to sub-pixels, which form each pixel of an input image, on the basis of the shift amounts stored in the shift amount storage section. The image signal correcting section corrects image signals in which dummy image signals corresponding to dummy sub-pixels, which are provided outside sub-pixels in an endmost portion of the input image, are added to input image signals of the sub-pixels.Type: GrantFiled: July 23, 2009Date of Patent: March 27, 2012Assignee: Seiko Epson CorporationInventors: Takumi Aragaki, Hiroshi Hasegawa, Masashi Kanai
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Patent number: 8144168Abstract: An image display apparatus that displays an image on the basis of input image signals corresponding to sub-pixels forming one pixel includes a shift-amount storing unit that stores shift amounts of display positions of the sub-pixels relative to given reference positions in a display image, an image-signal correcting unit that corrects the input image signals according to the shift amounts, and an image display unit that displays an image on the basis of the image signals corrected by the image-signal correcting unit.Type: GrantFiled: November 10, 2008Date of Patent: March 27, 2012Assignee: Seiko Epson CorporationInventors: Takumi Aragaki, Hiroshi Hasegawa
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Patent number: 7982744Abstract: An image processing device outputs four-color image data to a display section, the display section performing display using display pixels each composed of four sub-pixels, and having an arrangement of the display pixels in which a pixel arrangement in an even line of a scan lines and a pixel arrangement in an odd line of the scan lines are shifted a half pitch of the display pixels from each other, and the image processing device includes a color conversion section which obtains three-color image data and converts the three-color image data into first four-color image data while maintaining the number of display pixels in the three-color image data, a conversion section which generates second four-color image data by performing an interpolation process on the first four-color image data based on a relationship between a position of a sub-pixel in the first four-color image data and a position of a sub-pixel in the display section, and an output section which outputs the second four-color image data to the diType: GrantFiled: January 3, 2008Date of Patent: July 19, 2011Assignee: Seiko Epson CorporationInventors: Hidekuni Moriya, Takumi Aragaki
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Patent number: 7889216Abstract: An image display device displays an image by using a plurality of display pixels, each display pixel including four sub-pixels corresponding to different colors. The four sub-pixels forming each of the display pixels are located such that two sub-pixels having a smaller level of luminance are located at edges of the display pixel, each of the two sub-pixels being located at either edge of the display pixel, and such that two other sub-pixels are located at a central portion of the display pixel so that an absolute value of a difference between a luminance added value, which is a value obtained by adding luminance levels of one of the sub-pixels located at the edges of the display pixel and an adjacent pixel, and a luminance added value, which is a value obtained by adding luminance levels of the other sub-pixel located at the edge of the display pixel and an adjacent pixel, is reduced.Type: GrantFiled: October 2, 2006Date of Patent: February 15, 2011Assignee: Seiko Epson CorporationInventors: Hidekuni Moriya, Takumi Aragaki
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Publication number: 20100033405Abstract: An image processor that corrects image signals corresponding to sub-pixels which form one pixel, includes: a shift amount storage section that stores shift amounts of display positions of display sub-pixels corresponding to the sub-pixels which form a display pixel using a predetermined reference position within a display image as a reference position; a frequency analysis section that analyzes a spatial frequency of an input image and outputs an analysis result; and an image signal correcting section that performs correction processing of image signals corresponding to the sub-pixels, which form each pixel of the input image, on the basis of the analysis result and the shift amounts, wherein the image signal correcting section performs different correction processing according to the spatial frequency.Type: ApplicationFiled: July 27, 2009Publication date: February 11, 2010Applicant: SEIKO EPSON CORPORATIONInventors: Takumi ARAGAKI, Hiroshi HASEGAWA
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Publication number: 20100026899Abstract: An image processor that corrects image signals corresponding to sub-pixels which form one pixel includes: a shift amount storage section that stores shift amounts of display positions of display sub-pixels corresponding to the sub-pixels which form a display pixel with respect to a predetermined reference position within a display image; and an image signal correcting section that corrects image signals corresponding to sub-pixels, which form each pixel of an input image, on the basis of the shift amounts stored in the shift amount storage section. The image signal correcting section corrects image signals in which dummy image signals corresponding to dummy sub-pixels, which are provided outside sub-pixels in an endmost portion of the input image, are added to input image signals of the sub-pixels.Type: ApplicationFiled: July 23, 2009Publication date: February 4, 2010Applicant: SEIKO EPSON CORPORATIONInventors: Takumi ARAGAKI, Hiroshi HASEGAWA, Masashi KANAI