Patents by Inventor Takuya Kitamura
Takuya Kitamura 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).
-
Patent number: 8948251Abstract: The present invention provides a transcoder having a MPEG decoder and a MPEG encoder, for changing a GOP structure and the bit rate of an encoded bitstream obtained as a result of an encoding process. The MPEG encoder receives a past encoding parameters generated at a past encoding process as a history information, and performs a present encoding process by using the past encoding parameters selectively so that the present encoding process is optimized. Furthermore, the encoder describe the past encoding parameters into the encoded bitstream as the history information so as to reuse the history information in advance encoding process. The picture quality of the video data does not deteriorate even if decoding and encoding processes are carried out repeatedly by the transcoder.Type: GrantFiled: July 17, 2007Date of Patent: February 3, 2015Assignee: Sony CorporationInventors: Katsumi Tahara, Yoshihiro Murakami, Takuya Kitamura, Kanji Mihara
-
Patent number: 8938000Abstract: The present invention provides a transcoder having a MPEG decoder and a MPEG encoder, for changing a GOP structure and the bit rate of an encoded bitstream obtained as a result of an encoding process. The MPEG encoder receives a past encoding parameters generated at a past encoding process as a history information, and performs a present encoding process by using the past encoding parameters selectively so that the present encoding process is optimized. Furthermore, the encoder describe the past encoding parameters into the encoded bitstream as the history information so as to reuse the history information in advance encoding process. The picture quality of the video data does not deteriorate even if decoding and encoding processes are carried out repeatedly by the transcoder.Type: GrantFiled: July 17, 2007Date of Patent: January 20, 2015Assignee: Sony CorporationInventors: Katsumi Tahara, Yoshihiro Murakami, Takuya Kitamura, Kanji Mihara
-
Patent number: 8934536Abstract: The present invention provides a transcoder having a MPEG decoder and a MPEG encoder, for changing a GOP structure and the bit rate of an encoded bitstream obtained as a result of an encoding process. The MPEG encoder receives a past encoding parameters generated at a past encoding process as a history information, and performs a present encoding process by using the past encoding parameters selectively so that the present encoding process is optimized. Furthermore, the encoder describe the past encoding parameters into the encoded bitstream as the history information so as to reuse the history information in advance encoding process. The picture quality of the video data does not deteriorate even if decoding and encoding processes are carried out repeatedly by the transcoder.Type: GrantFiled: July 17, 2007Date of Patent: January 13, 2015Assignee: Sony CorporationInventors: Katsumi Tahara, Yoshihiro Murakami, Takuya Kitamura, Kanji Mihara
-
Patent number: 8929670Abstract: Provided is an image processing apparatus including: a prediction portion to perform an inter-magnification-ratio blur-compensation prediction with respect to a reduced-size reference focus face image, to thereby generate an inter-magnification-ratio blur-compensation predicted image at each of a plurality of focus positions, the reduced-size reference focus face image being obtained by reducing a size of a reference focus face image to be a reference of a plurality of focus face images obtained by imaging a subject at the plurality of focus positions; a differential data generation portion to generate, for each of the plurality of focus positions, differential data between the focus face image and the inter-magnification-ratio blur-compensation predicted image generated by the prediction portion; and an encoding portion to encode the reduced-size reference focus face image and the differential data generated by the differential data generation portion.Type: GrantFiled: December 2, 2010Date of Patent: January 6, 2015Assignee: Sony CorporationInventors: Takeshi Uemori, Ohji Nakagami, Takuya Kitamura, Yoichi Yagasaki
-
Publication number: 20150003862Abstract: A developing device includes a developing chamber provided with a developing roller that conveys toner to a developing area, and a toner regulating member that is in contact with a surface of the developing roller; and a toner container that contains the toner. An opening that allows the developing chamber and the toner container to communicate with each other is closed by a seal member that prevents the toner in the toner container from flowing into the developing chamber, and the seal member is removable from the opening. Spherical resin particles are provided at least in a contact portion between the developing roller and the toner regulating member. A Martens hardness of the spherical resin particles is 0.5 N/mm2 or higher and 45 N/mm2 or lower, and a restoring elastic power of the spherical resin particles is 70% or higher.Type: ApplicationFiled: May 29, 2014Publication date: January 1, 2015Inventors: Minoru Nakamura, Takuya Kitamura, Kouki Yano, Yuji Kawaguchi
-
Patent number: 8908025Abstract: Provided is an image processing apparatus, including: a receiver to receive an all-in-focus image, which is generated through selecting, from focus face images, representative divided images being best-focused images among images in divided regions forming the focus face images, for each of the focus face images correspondingly to the divided regions, the focus face images being obtained through imaging an object at focus positions, and information about the focus positions of the focus face images including the representative divided images; and a predicted-image generator to generate a blur-compensation predicted image corresponding to each of the focus face images through performing a blur-compensation prediction using a blur function with respect to each of the representative divided images based on the information about the focus positions of the focus face images including the representative divided images, the information being received by the receiving means.Type: GrantFiled: January 10, 2011Date of Patent: December 9, 2014Assignee: Sony CorporationInventors: Takeshi Uemori, Ohji Nakagami, Takuya Kitamura, Yoichi Yagasaki
-
Patent number: 8891986Abstract: A mode in which a toner image formed on an intermediate transfer belt passes through a primary transfer portion without a toner image being transferred from a photosensitive drum onto the intermediate transfer belt is provided. In the mode, an area of the photosensitive drum that passes through the primary transfer portion while the toner image is passing through the primary transfer portion is defined as a first area. When the first area passes through a charging position, a charging bias is adjusted so that the occurrence of an image defect is prevented.Type: GrantFiled: August 8, 2011Date of Patent: November 18, 2014Assignee: Canon Kabushiki KaishaInventors: Yuji Kawaguchi, Kentarou Kawata, Takuya Kitamura, Takayuki Kanazawa
-
Patent number: 8891987Abstract: A color image forming apparatus includes an image bearing member for carrying an electrostatic latent image, a plurality of developing devices for developing the electrostatic latent image, a supporting member for moving the developing devices sequentially to a developing position opposing the image bearing member, and a detecting device for detecting developer remainder in the developing device. In addition, a determining portion determines the developer remainder. In the developing device in which the detecting operation is effected after the developing operation, the determining portion determines the developer remainder from the information relating to the detected developer remainder. In the developing device of the developing devices for which the detecting operation is effected before the developing operation, the determining portion determines the developer remainder from the information relating to the detected developer remainder and a deduced consumption amount.Type: GrantFiled: May 10, 2012Date of Patent: November 18, 2014Assignee: Canon Kabushiki KaishaInventors: Hideo Kihara, Takuya Kitamura, Yuji Kawaguchi, Kouki Yano, Yuta Isobe
-
Publication number: 20140334854Abstract: A developing apparatus for developing operation on an image bearing member, includes a rotatable developer carrying member for carrying a developer; a rubbing member for rubbing the developer carrying member with the developer therebetween to cause the developer to be carried on the developer carrying member; wherein the rubbing member includes a free end portion extending toward a downstream with respect to a rotational moving direction of the developer carrying member, the free end portion rubs the developer carrying member, and wherein the rubbing member is provided with a reinforcing portion for reinforcing the free end portion.Type: ApplicationFiled: May 9, 2014Publication date: November 13, 2014Applicant: CANON KABUSHIKI KAISHAInventors: Takuya Kitamura, Motoki Adachi, Hideo Kihara, Kouki Yano, Yuta Isobe
-
Publication number: 20140334853Abstract: A developing device usable with an image forming apparatus includes a developer carrying member for carrying a developer; a developer accommodating portion for accommodating a developer; a guiding member having an inclined surface contacting the developer carrying member, the inclined surface being effective to guide a developer to a contact portion where the inclined surface contacts the developer carrying member to cause the developer to be carried on the developer carrying member; and a regulating member for regulating an amount of the developer carried on the developer carrying member, wherein an inclination angle of the inclined surface is in a range not less than an angle of rest and less than 90 degrees.Type: ApplicationFiled: May 5, 2014Publication date: November 13, 2014Applicant: CANON KABUSHIKI KAISHAInventors: Motoki Adachi, Takuya Kitamura, Hideo Kihara, Kouki Yano, Yuta Isobe
-
Publication number: 20140314159Abstract: The present disclosure relates to an image processing device and method that enable improvement in processing efficiency in encoding or decoding. A type E0 of an LCU 115 and its coefficient are determined on the encoder side. The coefficient of the type E0 was sent to the decoder side at the time of the LCU 111, and has been stored in an EO buffer included in an adaptive offset filter on the decoder side. For the LCU 115, therefore, a copy of the coefficient of the type E0 in the EO buffer is used on decoder side without the sending of the coefficient of the type E0. As described above, the parameters of the adaptive offset filter, which are transmitted in one batch at the beginning of a frame in the related art, are sent sequentially at the beginning of an LCU for each LCU. The present disclosure can be applied to, for example, an image processing device.Type: ApplicationFiled: December 21, 2012Publication date: October 23, 2014Inventors: Hironari Sakurai, Ohji Nakagami, Takuya Kitamura, Yoichi Yagasaki
-
Publication number: 20140286667Abstract: An image forming apparatus includes a control unit that performs two types of stop operations in which an image bearing member is rotated or is not rotated after forming an image. The control unit selects the stop operation according to operation time of the image bearing member.Type: ApplicationFiled: March 14, 2014Publication date: September 25, 2014Applicant: CANON KABUSHIKI KAISHAInventors: Takayuki Kanazawa, Kentaro Kawata, Takuya Kitamura, Yuji Kawaguchi
-
Patent number: 8810628Abstract: An image processing apparatus includes a receiving unit configured to receive an encoded stream, an image capture type, and image capturing order information, the encoded stream being produced by encoding image data of multi-viewpoint images including images from multiple viewpoints that form a stereoscopic image, the image capture type indicating that the multi-viewpoint images have been captured at different timings, the image capturing order information indicating an image capturing order in which the multi-viewpoint images have been captured; a decoding unit configured to decode the encoded stream received by the receiving unit to generate image data; and a control unit configured to control a display apparatus to display multi-viewpoint images corresponding to the image data generated by the decoding unit in the same order as the image capturing order in accordance with the image capture type and image capturing order information received by the receiving unit.Type: GrantFiled: September 27, 2010Date of Patent: August 19, 2014Assignee: Sony CorporationInventors: Teruhiko Suzuki, Yoshitomo Takahashi, Takuya Kitamura
-
Patent number: 8787691Abstract: Encoding efficiency of image prediction encoding can be improved by performing horizontal packing as horizontal processing to manipulate a horizontal-direction array of pixels of each of a first thinned-out image and a second thinned-out image arrayed in checkerboard fashion, obtained by thinning out the pixels of each of a first image and a second image different from the first image every other line in an oblique direction, wherein pixels of first and second thinned-out images are packed in the horizontal direction. A combined image can be generated, which is combined by adjacently arraying the post-horizontal processing first and second thinned-out images after horizontal processing, as an image to serve as the object of prediction encoding. Aspects of this disclosure can be applied to a case of performing prediction encoding on a first and second image, such as a left and right images making up a 3D image.Type: GrantFiled: June 23, 2010Date of Patent: July 22, 2014Assignee: Sony CorporationInventors: Yoshitomo Takahashi, Teruhiko Suzuki, Takuya Kitamura, Yoichi Yagasaki
-
Publication number: 20140178086Abstract: An image forming apparatus including: a photosensitive member; a charging device; an exposure device; and a developer carrying member, wherein, when it is assumed that an image forming area, a printing portion and a non-printing portion are an area on the photosensitive member on which an image to be transferred onto a recording material is formed, an area in the image forming area to which the developer adhere and an area in the image forming area to which the developer does not adhere, respectively, the exposure device exposes the printing portion at a first laser power, exposes the non-printing portion at a second laser power smaller than the first laser power, and exposes a non-image forming area on the photosensitive member between two adjacent image forming areas at no laser power or a third laser power smaller than the second laser power.Type: ApplicationFiled: December 17, 2013Publication date: June 26, 2014Applicant: CANON KABUSHIKI KAISHAInventors: Takuya Kitamura, Hideaki Hasegawa, Shuichi Tetsuno
-
Publication number: 20140169815Abstract: An image forming apparatus including: a plurality of image forming stations; and a control portion configured to control an image forming operation, each of the image forming stations includes: an image bearing member configured to form a toner image on a surface thereof; and a charging device configured to charge the image bearing member, wherein the toner images formed on the image bearing members of the image forming stations are sequentially transferred to a transfer incurring member to be superimposed, wherein the control portion sets a voltage applied to the charging device in forming an image in an image forming station which performs the transfer later based on image density information of the toner image transferred to the transfer incurring member by an image forming station which performs the transfer earlier in a sequence of the image forming operations.Type: ApplicationFiled: December 9, 2013Publication date: June 19, 2014Applicant: CANON KABUSHIKI KAISHAInventors: Shuichi Tetsuno, Hideaki Hasegawa, Takuya Kitamura
-
Patent number: 8750631Abstract: The present invention relates to an image processing device and method whereby an image and so forth that a contents producer intends can be displayed in a case where a stereoscopic image content is displayed as a 2D image. A generating unit 13 generates multiplexed data including viewpoint image data for the left eye, and viewpoint image data for the right eye that are two viewpoints of image data, and a view switching flag for specifying image data used for display of a 2D image, of the viewpoint image data for the left eye and the viewpoint image data for the right eye thereof. With decoding of multiplexed data, a view switching flag is extracted from the multiplexed data, and image data used for display of a 2D image is selected from viewpoint image data for the left eye and viewpoint image data for the right eye following the view switching flag thereof.Type: GrantFiled: December 9, 2009Date of Patent: June 10, 2014Assignee: Sony CorporationInventors: Yoshitomo Takahashi, Takuya Kitamura, Yoichi Yagasaki, Teruhiko Suzuki, Jun Yonemitsu
-
Publication number: 20140147139Abstract: An image forming apparatus including: photosensitive members; charging devices to which a common charging power source applies a charging voltage to charge the photosensitive members; an exposure device configured to expose the photosensitive members; developing devices to form developer images on the photosensitive members; a transfer device to transfer the developer images onto a transfer medium; and a control portion configured to set a lower limit value of the charging voltage for each photosensitive member, apply the charging voltage having a magnitude not less than any lower limit value from the charging power source to the charging devices, control the output of the laser power for each photosensitive member individually, and set, based on the image density of the developer image transferred onto the transfer medium earlier, the lower limit value for a photosensitive member on which a developer image to be transferred onto the transfer medium later is formed.Type: ApplicationFiled: November 20, 2013Publication date: May 29, 2014Applicant: CANON KABUSHIKI KAISHAInventors: Hideaki Hasegawa, Takuya Kitamura, Shuichi Tetsuno
-
Patent number: 8718503Abstract: An image forming apparatus includes a control unit that performs two types of stop operations in which an image bearing member is rotated or is not rotated after forming an image. The control unit selects the stop operation according to operation time of the image bearing member.Type: GrantFiled: December 15, 2010Date of Patent: May 6, 2014Assignee: Canon Kabushiki KaishaInventors: Takayuki Kanazawa, Kentarou Kawata, Takuya Kitamura, Yuji Kawaguchi
-
Patent number: 8687690Abstract: The present invention provides a transcoder having a MPEG decoder and a MPEG encoder, for changing a GOP structure and the bit rate of an encoded bitstream obtained as a result of an encoding process. The MPEG encoder receives a past encoding parameters generated at a past encoding process as a history information, and performs a present encoding process by using the past encoding parameters selectively so that the present encoding process is optimized. Furthermore, the encoder describe the past encoding parameters into the encoded bitstream as the history information so as to reuse the history information in advance encoding process. The picture quality of the video data does not deteriorate even if decoding and encoding processes are carried out repeatedly by the transcoder.Type: GrantFiled: July 17, 2007Date of Patent: April 1, 2014Assignee: Sony CorporationInventors: Katsumi Tahara, Yoshihiro Murakami, Takuya Kitamura, Kanji Mihara