Patents by Inventor Mitsuhiro Saito
Mitsuhiro Saito 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: 8289402Abstract: The image processing apparatus includes an extracting part extracting feature points in each of plural images sequentially generated by an image pickup apparatus, a calculating part calculating motion vectors at the feature points in each of the plural images, a clustering part performing clustering processing on the motion vectors calculated at the feature points, a determining part determining, among plural clusters, a specific cluster including a motion vector indicating motion of the image pickup apparatus. The apparatus further includes an estimation detecting part detecting, by using an estimation method which uses information relating to the specific cluster of a first image, the specific cluster of a second image generated after generation of the first image, and a processing part performing image stabilization processing on the second image based on the motion vector included in the specific cluster of the second image.Type: GrantFiled: November 11, 2009Date of Patent: October 16, 2012Assignee: Canon Kabushiki KaishaInventor: Mitsuhiro Saito
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Publication number: 20120249844Abstract: An image processing apparatus such as a digital camera and a method of controlling the same is provided. In one embodiment, the digital camera generates an HDR image by combining two of a plurality of images to be combined for normal HDR processing. Before image combining operation, the digital camera converts the tone characteristics of at least one of the two images so as to assign more tone values to a tone area of an entire tone area of the HDR image which is not properly covered by either of the two images than before conversion.Type: ApplicationFiled: March 8, 2012Publication date: October 4, 2012Applicant: CANON KABUSHIKI KAISHAInventors: Mitsuhiro Saito, Ken Terasawa
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Patent number: 8077923Abstract: An image processing apparatus includes a first processing part selecting motion detection points for detecting a motion between images, and acquiring first motion vectors that are local motion vectors at the motion detection points, a second processing part acquiring first representative motions that are representative motions of translation, scaling and rotation based on the first motion vectors, a third processing part eliminating components of the first representative motions from the first motion vectors and acquiring second motion vectors, a fourth processing part acquiring local foreshortening motions at the motion detection points from the second motion vectors, and a fifth processing part acquiring a second representative motion that is a representative foreshortening motion from the local foreshortening motions. This process can obtain information representing geometric deformation between the images by simple processing.Type: GrantFiled: February 29, 2008Date of Patent: December 13, 2011Assignee: Canon Kabushiki KaishaInventors: Hidetoshi Tsubaki, Mitsuhiro Saito, Takahiro Oshino
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Publication number: 20110267480Abstract: The present invention provides an image processing apparatus capable of obtaining good shake-corrected images in electronic image stablization irrespective of changes of image-taking conditions. An image processing apparatus comprises a shake correcting part that performs coordinate transformation processing based on shake information to an input image that is generated by use of an image-pickup device, and a method changing part that changes a coordinate transformation method for the coordinate transformation processing.Type: ApplicationFiled: July 18, 2011Publication date: November 3, 2011Applicant: CANON KABUSHIKI KAISHAInventors: Mitsuhiro SAITO, Takahiro OSHINO, Hidetoshi TSUBAKI
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Publication number: 20110211081Abstract: An image stabilizing apparatus includes a motion vector calculating part that calculates a motion vector between a plurality of images including a displacement caused by a motion of an image-pickup apparatus, a shake-correction parameter calculating part that receives the motion vector as input to calculate a shake correction amount, and an image transforming part that performs geometric transformation of the image in accordance with the shake correction amount. The shake-correction parameter calculating part performs variation amount calculation, variation amount correction and correction amount calculation based on the motion information between the plurality of images. The image stabilizing apparatus preserves a motion in video from an intended camera work and allows image stabilization for an unintended shake.Type: ApplicationFiled: March 22, 2011Publication date: September 1, 2011Applicant: CANON KABUSHIKI KAISHAInventors: Hidetoshi Tsubaki, Mitsuhiro Saito, Takahiro Oshino
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Patent number: 8004570Abstract: The present invention provides an image processing apparatus capable of obtaining good shake-corrected images in electronic image stabilization irrespective of changes of image-taking conditions. An image processing apparatus comprising: a shake correcting part that performs coordinate transformation processing based on shake information to an input image that is generated by use of an image-pickup device; and a method changing part that changes a coordinate transformation method for the coordinate transformation processing.Type: GrantFiled: December 14, 2006Date of Patent: August 23, 2011Assignee: Canon Kabushiki KaishaInventors: Mitsuhiro Saito, Takahiro Oshino, Hidetoshi Tsubaki
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Patent number: 7955653Abstract: An inkjet-recording medium comprising a support and an ink-receiving layer formed thereon containing inorganic fine particles, a water-soluble aluminum compound, a zirconium compound, a cationic modified self-emulsifying polymer, a polyvinyl alcohol having a saponification value of 92 to 98 mol %, and a crosslinking agent, and a method of producing the same.Type: GrantFiled: February 21, 2007Date of Patent: June 7, 2011Assignee: Fujifilm CorporationInventors: Kazuyuki Koike, Hiroki Kubo, Mitsuhiro Saito, Hirokazu Kito
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Patent number: 7929043Abstract: An image stabilizing apparatus includes a motion vector calculating part that calculates a motion vector between a plurality of images including a displacement caused by a motion of an image-pickup apparatus, a shake-correction parameter calculating part that receives the motion vector as input to calculate a shake correction amount, and an image transforming part that performs geometric transformation of the image in accordance with the shake correction amount. The shake-correction parameter calculating part performs variation amount calculation, variation amount correction and correction amount calculation based on the motion information between the plurality of images. The image stabilizing apparatus preserves a motion in video from an intended camera work and allows image stabilization for an unintended shake.Type: GrantFiled: April 3, 2008Date of Patent: April 19, 2011Assignee: Canon Kabushiki KaishaInventors: Hidetoshi Tsubaki, Mitsuhiro Saito, Takahiro Oshino
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Publication number: 20110076521Abstract: According to one embodiment, a battery unit includes a first cell unit, a second cell unit and a third cell unit arranged adjacent to the first cell unit, respectively. Each cell unit includes a plurality of secondary battery cells, and the respective secondary battery cells are formed of a main body of a substantially rectangular solid shape and a pair of first and second electrodes of different polarities each other pulled out from one end of the main body. A first bus bar connects the first electrodes of the first cell unit and the second electrodes of the second cell unit in a first line, and a second bus bar connects the second electrodes of the first cell unit and the first electrodes of the third cell unit in a second line.Type: ApplicationFiled: September 10, 2010Publication date: March 31, 2011Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Hideo Shimizu, Nagaaki Muro, Masahiro Sekino, Hidenori Miyamoto, Mitsuhiro Saito, Kenji Yazawa, Toshinori Uchida
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Publication number: 20110019016Abstract: An image processing apparatus of the present invention includes a shake detector 109 which detects a shake of an image pickup apparatus, a shake analyzer 112 which obtains features of a plurality of shake components whose kinds are different from each other, a parameter calculator 113 which calculates a filtering process parameter depending on the features for each of the shake components, and a processor 114 which performs a filtering process using the filtering process parameter calculated for each of the shake components to calculate a shake reduction amount and performs a shake reduction process based on the shake reduction amount with respect to the image.Type: ApplicationFiled: July 21, 2010Publication date: January 27, 2011Applicant: CANON KABUSHIKI KAISHAInventors: Mitsuhiro Saito, Takahiro Takahashi, Hidetoshi Tsubaki
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Publication number: 20100118156Abstract: The image processing apparatus includes an extracting part extracting feature points in each of plural images sequentially generated by an image pickup apparatus, a calculating part calculating motion vectors at the feature points in each of the plural images, a clustering part performing clustering processing on the motion vectors calculated at the feature points, a determining part determining, among plural clusters, a specific cluster including a motion vector indicating motion of the image pickup apparatus. The apparatus further includes an estimation detecting part detecting, by using an estimation method which uses information relating to the specific cluster of a first image, the specific cluster of a second image generated after generation of the first image, and a processing part performing image stabilization processing on the second image based on the motion vector included in the specific cluster of the second image.Type: ApplicationFiled: November 11, 2009Publication date: May 13, 2010Applicant: CANON KABUSHIKI KAISHAInventor: Mitsuhiro Saito
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Publication number: 20090128700Abstract: An image processing apparatus includes a geometric converter configured to perform a geometric conversion process to a first frame image among frame images that are sequentially generated through imaging, based on motion information obtained by using a motion detector sensor, a motion vector detector configured to detect a motion vector between a geometric conversion image obtained through the geometric conversion process and a second frame image that has not undergone the geometric conversion process, an image stabilization parameter calculator configured to calculate an image stabilization parameter for different motions by using the motion information and the motion vector, and a stabilized image generator configured to generate a stabilized image through a deformation process to the second frame image or a frame image generated subsequent to the second frame image by utilizing the image stabilization parameter.Type: ApplicationFiled: November 12, 2008Publication date: May 21, 2009Applicant: CANON KABUSHIKI KAISHAInventors: Takahiro Oshino, Hidetoshi Tsubaki, Mitsuhiro Saito
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Publication number: 20080246848Abstract: An image stabilizing apparatus includes a motion vector calculating part that calculates a motion vector between a plurality of images including a displacement caused by a motion of an image-pickup apparatus, a shake-correction parameter calculating part that receives the motion vector as input to calculate a shake correction amount, and an image transforming part that performs geometric transformation of the image in accordance with the shake correction amount. The shake-correction parameter calculating part performs variation amount calculation, variation amount correction and correction amount calculation based on the motion information between the plurality of images. The image stabilizing apparatus preserves a motion in video from an intended camera work and allows image stabilization for an unintended shake.Type: ApplicationFiled: April 3, 2008Publication date: October 9, 2008Applicant: CANON KABUSHIKI KAISHAInventors: Hidetoshi Tsubaki, Mitsuhiro Saito, Takahiro Oshino
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Publication number: 20080219574Abstract: An image processing apparatus includes a first processing part selecting motion detection points for detecting a motion between images, and acquiring first motion vectors that are local motion vectors at the motion detection points, a second processing part acquiring first representative motions that are representative motions of translation, scaling and rotation based on the first motion vectors, a third processing part eliminating components of the first representative motions from the first motion vectors and acquiring second motion vectors, a fourth processing part acquiring local foreshortening motions at the motion detection points from the second motion vectors, and a fifth processing part acquiring a second representative motion that is a representative foreshortening motion from the local foreshortening motions. This can obtain information representing geometric deformation between the images by simple processing.Type: ApplicationFiled: February 29, 2008Publication date: September 11, 2008Applicant: CANON KABUSHIKI KAISHAInventors: Hidetoshi Tsubaki, Mitsuhiro Saito, Takahiro Oshino
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Publication number: 20080151064Abstract: An image processing apparatus capable of performing processing for reducing a shake in the image including a distortion without performing processing for reducing the distortion is disclosed. The apparatus includes a shake detecting part that detects a shake in a first image area of an input image including a distortion, a shake information generating part that generates shake information on a shake in a second image area of the input image based on the shake detected by the shake detecting part, and a shake reduction processing part that performs image processing for reducing the shake in the second image area based on the shake information without performing image processing for reducing the distortion on the input image.Type: ApplicationFiled: December 14, 2007Publication date: June 26, 2008Applicant: CANON KABUSHIKI KAISHAInventors: Mitsuhiro Saito, Hidetoshi Tsubaki, Takahiro Oshino
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Publication number: 20070270307Abstract: An object of the invention is to provide an adsorbent having high adsorbability per unit volume and a high adsorption rate as an adsorbent for water treatment or medical care and to provide an adsorbent capable of completely adsorbing an aimed substance within a short time as an adsorbent for medical care. The desired adsorbent is an adsorbent produced from a phenol resin as a starting material and having 0.10 to 0.60 ml/g of volume of fine pores with diameters in a range from 0.02 to 10 ?m, a specific surface area in a range from 800 to 3000 m2/g, and an average particle diameter in a range from 0.1 to 0.8 mm. The adsorbent is produced by conducting carbonization of the phenol resin as a starting material at 350 to 550° C., then heating up to 700 to 950° C. at a rate of 5 to 20° C./min, and successively carrying out activation of the obtained carbonized product.Type: ApplicationFiled: May 27, 2005Publication date: November 22, 2007Inventors: Isao Hamasaki, Juichi Yanagi, Motoya Mouri, Mitsuhiro Saito, Takao Mizunoya, Toshio Shimizu
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Publication number: 20070196598Abstract: An inkjet-recording medium comprising a support and an ink-receiving layer formed thereon containing inorganic fine particles, a water-soluble aluminum compound, a zirconium compound, a cationic modified self-emulsifying polymer, a polyvinyl alcohol having a saponification value of 92 to 98 mol %, and a crosslinking agent, and a method of producing the same.Type: ApplicationFiled: February 21, 2007Publication date: August 23, 2007Applicant: FUJIFILM CORPORATIONInventors: Kazuyuki Koike, Hiroki Kubo, Mitsuhiro Saito, Hirokazu Kito
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Publication number: 20070132856Abstract: The present invention provides an image processing apparatus capable of obtaining good shake-corrected images in electronic image stablization irrespective of changes of image-taking conditions. An image processing apparatus comprising: a shake correcting part that performs coordinate transformation processing based on shake information to an input image that is generated by use of an image-pickup device; and a method changing part that changes a coordinate transformation method for the coordinate transformation processing.Type: ApplicationFiled: December 14, 2006Publication date: June 14, 2007Inventors: Mitsuhiro Saito, Takahiro Oshino, Hidetoshi Tsubaki
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Patent number: 6434006Abstract: A semiconductor device has a case, a printed circuit board, a fin, and a ceramic substrate mounting a semiconductor element thereon. The case contains the printed circuit board, the ceramic substrate and the fin. The fin and the case radiate heat transmitted from the ceramic substrate. The fin has protrusions on a contact face facing a contact face of the case. The fin contacts the case though the protrusions when the fin is fixed to the case. The protrusions serve as heat radiating path.Type: GrantFiled: May 2, 2001Date of Patent: August 13, 2002Assignee: Denso CorporationInventors: Akihiro Fukatsu, Kan Kinouchi, Mitsuhiro Saito, Yoshiharu Harada
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Publication number: 20020021553Abstract: A semiconductor device has a case, a printed circuit board, a fin, and a ceramic substrate mounting a semiconductor element thereon. The case contains the printed circuit board, the ceramic substrate and the fin. The fin and the case radiate heat transmitted from the ceramic substrate. The fin has protrusions on a contact face facing a contact face of the case. The fin contacts the case though the protrusions when the fin is fixed to the case. The protrusions serve as heat radiating path.Type: ApplicationFiled: May 2, 2001Publication date: February 21, 2002Inventors: Akihiro Fukatsu, Kan Kinouchi, Mitsuhiro Saito, Yoshiharu Harada