1
Koichi Morishita, Shinji Omori, Shimbu Yamagata, Tetsuo Yokoyama, Koichi Sano, Akira Ogushi: Image registration method. Hitachi, Antonelli Terry & Wands, February 17, 1987: US04644582 (97 worldwide citation)

Two images to be registered are divided into a plurality of image portions. A standard point for the registration is extracted for each of the image portions divided. Coordinate transformations between two images for the registration are conducted for each image portion by using the standard point e ...


2
Koichi Morishita, Shimbu Yamagata, Tetsuo Okabe, Tetsuo Yokoyama, Kazuhiko Hamatani: Unsharp masking for image enhancement. Hitachi, Hitachi Medical Corporation, Antonelli Terry & Wands, December 27, 1988: US04794531 (77 worldwide citation)

In an unsharp masking processing for sharpening images such as radiographic images, an emphasizing coefficient of an image and parameters for real-time change of picture quality are set interactively. The entire image is divided into a plurality of regional images and filtering optimized for each pi ...


3
Koichi Morishita, Tetsuo Yokoyama, Kazuhiro Sato: System for automated transformation of gray level of image. Hitachi, Hitachi Medical Corporation, Antonelli Terry Stout & Kraus, September 22, 1992: US05150421 (38 worldwide citation)

Disclosed is an automated image gray level transformation system applied to a medical image processing work station for the purpose of dispensing with the prior art manual complex processing thereby improving the accuracy of diagnosis. The system carries out, in addition to its fundamental step of e ...


4
Koichi Morishita, Tetsuo Yokoyama, Kazuhiro Sato: Method for image registration. Hitachi, Hitachi Medical Corporation, Antonelli Terry & Wands, February 6, 1990: US04899393 (13 worldwide citation)

In order to extract correctly an intended region by correcting the distortion of two images due to different time points of observation, an emphasis factor which depends on the standard deviation of the image gray value within the intended region is evaluated, and the intended region for registratio ...


5
Koichi Morishita, Toshiaki Minami: Bus system and data transfer method. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, December 2, 2008: US07461187 (8 worldwide citation)

A bus system which transfers data from a first device to a second device includes a holding unit which holds data input from the first device, and a selecting unit which selects whether to output the data from the first device to the second device by holding the data by the holding unit or without h ...


6
Katsutoshi Ushida, Yuichi Naoi, Yoshiaki Katahira, Koichi Morishita: Image processing apparatus and image processing method. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, October 19, 2010: US07817297 (7 worldwide citation)

To provide an image processing technique compatible with both a CCD and a CIS, which controls storage of image data read by each device in a memory and the read of the stored data for each rectangular area to obtain a high memory efficiency, an image processing apparatus includes an input section wh ...


7
Katsutoshi Ushida, Yuichi Naoi, Yoshiaki Katahira, Yasuyuki Nakamura, Koichi Morishita, Makoto Fukuo: Image processing apparatus and image processing method. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, February 24, 2009: US07495669 (5 worldwide citation)

To provide an image processing technique compatible with both a CCD and a CIS, which controls storage of image data read by each device in a memory and the read of the stored data for each rectangular area to obtain a high memory efficiency, an image processing apparatus includes a memory area contr ...


8
Katsutoshi Ushida, Yuichi Naoi, Yoshiaki Katahira, Yasuyuki Nakamura, Koichi Morishita, Makoto Fukuo: Image processing apparatus and image processing method. Canon Kabushiki Kiasha, Fitzpatrick Cella Harper & Scinto, March 9, 2010: US07675523 (4 worldwide citation)

To provide an image processing technique compatible with both a CCD and a CIS, which controls storage of image data read by each device in a memory and the read of the stored data for each rectangular area to obtain a high memory efficiency, an image processing apparatus includes a memory area contr ...


9
Toshiaki Minami, Shunichi Kaizu, Yasunari Nagamatsu, Daisuke Shiraishi, Makoto Fujiwara, Koji Moriya, Koichi Morishita: Bus arbitration apparatus and method. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, June 14, 2011: US07962678 (4 worldwide citation)

A bus arbitration apparatus according to this invention appropriately arbitrates bus rights of use between a plurality of masters and a plurality of slaves so as to efficiently perform requested data transfer. An arbiter A 5 receives data transfer requests with respect to a slave A 3 generated by ma ...


10
Tetsuo Yokoyama, Koichi Morishita, Koichi Sano, Shimbu Yamagata, Akira Ogushi: Imaging region-of-interest in medical NMR observation. Hitachi, Hitachi Medical Corporation, Antonelli Terry & Wands, August 19, 1986: US04607222 (3 worldwide citation)

A step of changing the frequency of a rotational field for nuclear magnetic resonance measurement of a medical nuclear magnetic resonance imaging apparatus is set to be smaller in a region of interest in a cross-section of an object to be examined than that in regions of less interest. In the less i ...