Patents by Inventor Shoji Muramatsu
Shoji Muramatsu 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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Publication number: 20070003148Abstract: Information of light from a subject is converted into information of the electric charges to generate image data for one screen in an image pickup device, the image data is outputted to an image processing LSI, only the image data belonging to a plurality of areas is selected by a processing amount reduction unit, the selected image data is transferred to a RAM in a single chop by a data transfer unit, and the processing of recognizing a white line is executed by a CPU on the basis of the image data stored in the RAM.Type: ApplicationFiled: August 9, 2006Publication date: January 4, 2007Inventors: Shoji Muramatsu, Yuji Otsuka, Yoshiki Kobayashi, Hiroshi Takenaga, Jiro Takezaki, Tatsuhiko Monji, Isao Furusawa
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Patent number: 7156917Abstract: An apparatus for growing a biological macromolecular crystal by vaporizing biological macromolecular solution into an oversaturated state. The apparatus includes a first sealed room that receives first crystallizing agent solution, and a communicating tube that communicates with the first sealed room and has a small sectional area for suppressing convection of air. A plurality of droplets of solution dissolving a biological macromolecule and a crystallizing agent therein are held in the communicating tube with the plurality of droplets being separated from each other.Type: GrantFiled: April 28, 2004Date of Patent: January 2, 2007Assignees: IHI Aerospace Co., Ltd.Inventors: Hideaki Moriyama, Norio Sugi, Kazunori Kawasaki, Shoji Muramatsu
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Publication number: 20060243894Abstract: An image processing system includes a lamp which emits light to a glass, an imaging device which captures light which is emitted from the lamp and reflected by the glass, and an optical filter, located between the glass and the imaging device, which transmits rays with a specific wavelength of the reflected light. A lens is provided in front of the imaging device, and a focus of the lens is adjusted to a point beyond the glass, and an image processor is provided which processes an image captured by the imaging device and detects moisture on the glass.Type: ApplicationFiled: June 26, 2006Publication date: November 2, 2006Inventors: Hiroshi Takenaga, Yuji Otsuka, Shoji Muramatsu, Tatsuhiko Monji, Ken Ohsumi, Isao Furusawa, Masaaki Fukuhara, Hiroyuki Kasuya
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Patent number: 7110613Abstract: Information of light from a subject is converted into information of the electric charges to generate image data for one screen in an image pickup device, the image data is outputted to an image processing LSI, only the image data belonging to a plurality of areas is selected by a processing amount reduction unit, the selected image data is transferred to a RAM in a single chop by a data transfer unit, and the processing of recognizing a white line is executed by a CPU on the basis of the image data stored in the RAM.Type: GrantFiled: March 20, 2002Date of Patent: September 19, 2006Assignee: Hitachi, Ltd.Inventors: Shoji Muramatsu, Yuji Otsuka, Yoshiki Kobayashi, Hiroshi Takenaga, Jiro Takezaki, Tatsuhiko Monji, Isao Furusawa
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Publication number: 20060204038Abstract: A vehicle mounted stereo camera apparatus including a plurality of imaging units for generating image data sequentially based on optical information from an object, and an image processing unit for importing the image data generated by the plurality of imaging units respectively, processing the imported image data individually, and then performing a stereo image process operation. The image data input into the image processing unit are synchronized with clock signals for importing and processing the image data respectively. Thus, the stereo image process operation is performed without horizontal pixel misalignment between image data A and B from the plurality of imaging units, so as to attain a stereo matching process with a high accuracy.Type: ApplicationFiled: January 18, 2006Publication date: September 14, 2006Applicant: Hitachi, Ltd.Inventors: Soichiro Yokota, Shoji Muramatsu, Ichiro Osaka
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Publication number: 20060164514Abstract: An object of this invention is to make one image pickup device sharable, with high reliability, among the multiple application programs that dynamically vary camera parameters. In order to achieve this object, the invention includes an image pickup device 6 that acquires images, an image pickup device controller 13 that accepts image acquisition requests from the multiple application programs 151 to 15N and controls the image pickup device, an application scheduler 14 that selects application programs to be executed.Type: ApplicationFiled: July 11, 2003Publication date: July 27, 2006Applicant: Hitachi, Ltd.Inventors: Shoji Muramatsu, Yuuji Otsuka, Hiroshi Takenaga, Tatsuhiko Monji, Jiro Takezaki, Isao Furusawa
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Publication number: 20060140449Abstract: A vehicle detection apparatus has a classifier that receives features of an image and judges whether the image is a vehicle. The features extracted from the picked-up image are supplied to the classifier so that judgment can be made of whether the image is the vehicle. If the judgment result and the result from a radar are not matched, the picked-up image pattern is registered in teaching data. The classifier is updated by learning from the teaching data.Type: ApplicationFiled: December 27, 2005Publication date: June 29, 2006Applicant: HITACHI, LTD.Inventors: Yuji Otsuka, Shoji Muramatsu, Hiroshi Takenaga, Tatsuhiko Monji
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Patent number: 7061964Abstract: An electrostatic levitation furnace is improved by providing three pairs of electrodes opposed to each other respectively on three axes perpendicularly intercepting each other at a position where the sample is to be levitated in the vacuum chamber, and disposing a plurality of access ports, which are directed to the position of the sample, to the vacuum chamber tree-dimensionally, whereby the accessible direction against the sample is diversified, it becomes possible to improve the degree of freedom in distribution of various apparatuses and easily cope with increase of apparatuses.Type: GrantFiled: September 27, 2002Date of Patent: June 13, 2006Assignee: IHI Aerospace Co., Ltd.Inventors: Kazunori Kawasaki, Hiroaki Asahi, Shoji Muramatsu, Tetsuya Takada
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Publication number: 20050036660Abstract: The invention provides an image processing system capable of precisely locating the positions of the light spots covering near headlights through far tail lamps by using one camera. The invention, discriminating the headlights and tail lamps from noise lights such as a traffic light, streetlight, and vending machine, enhances the vehicle detection performance at night. The system includes an image input means that inputs images in front of a vehicle, an image analysis means that analyzes the images inputted by the image input means. The image input means has a means of photographing more than two images with different exposures. The image analysis means analyzes the images photographed by the image input means to transform them into the position information of the vehicles traveling in front.Type: ApplicationFiled: August 11, 2004Publication date: February 17, 2005Inventors: Yuji Otsuka, Hiroshi Takenaga, Shoji Muramatsu, Tatsuhiko Monji, Isao Furusawa
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Publication number: 20050035926Abstract: An image processing system which detects foreign matter on window of a vehicle with high reliability. The system includes an image processor, a first lamp, and a second lamp and when to turn on the first and second lamps is controlled by the image processor. Light from the first lamp passes through the glass. If there are raindrops on the outer surface of the glass, light is reflected by raindrops and light from the second lamp is reflected by a surface of the glass and such reflected light goes through a lens and an optical filter with prescribed optical characteristics to an imaging device.Type: ApplicationFiled: August 12, 2004Publication date: February 17, 2005Applicant: Hitachi, Ltd.Inventors: Hiroshi Takenaga, Yuji Otsuka, Shoji Muramatsu, Tatsuhiko Monji, Ken Ohsumi, Isao Furusawa, Masaaki Fukuhara, Hiroyuki Kasuya
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Publication number: 20050024808Abstract: An electrostatic levitation furnace is improved by providing three pairs of electrodes opposed to each other respectively on three axes perpendicularly intercepting each other at a position where the sample is to be levitated in the vacuum chamber, and disposing a plurality of access ports, which are directed to the position of the sample, to the vacuum chamber tree-dimensionally, whereby the accessible direction against the sample is diversified, it becomes possible to improve the degree of freedom in distribution of various apparatuses and easily cope with increase of apparatuses.Type: ApplicationFiled: September 27, 2002Publication date: February 3, 2005Inventors: Kazunori Kawasaki, Hiroaki Asahi, Shoji Muramatsu, Tetsuya Takada
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Publication number: 20040231580Abstract: An apparatus for growing a biological macromolecular crystal by vaporizing biological macromolecular solution into an oversaturated state. The apparatus includes a first sealed room that receives first crystallizing agent solution, and a communicating tube that communicates with the first sealed room and has a small sectional area for suppressing convection of air. A plurality of droplets of solution dissolving a biological macromolecule and a crystallizing agent therein are held in the communicating tube with the plurality of droplets being separated from each other.Type: ApplicationFiled: April 28, 2004Publication date: November 25, 2004Applicants: Hideaki MORIYAMA, IHI Aerospace Co., Ltd.Inventors: Hideaki Moriyama, Norio Sugi, Kazunori Kawasaki, Shoji Muramatsu
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Patent number: 6693640Abstract: An image processing apparatus is composed of a plurality of function processing units for performing image processing, a high priority function selection part for selecting functions, execution of each of which is required by a corresponding one of the function processing units, based on the predetermined priority for each of the functions; and a data control unit including a data transfer part for preferentially accessing the shared memory which the function selected by the high priority function selection part requires, and a plurality of data holding parts, each of the data holding parts holding a predetermined amount of data transmitted with each of the plurality of function processing units, wherein the data transfer part controls the bus connecting the CPU and the shared memory based on requirement sent from each of the function processing units, and each of the plurality of function processing units transmits data with the data control unit separately from the others of the plurality of function procesType: GrantFiled: April 4, 2002Date of Patent: February 17, 2004Assignees: Hitachi, Ltd., Hitachi Engineering Co., Ltd.Inventors: Shoji Muramatsu, Yoshiki Kobayashi, Kenji Hirose, Shigetoshi Sakimura
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Publication number: 20030105578Abstract: A traffic environment recognition system includes an image-processing unit, an information-merging unit, a radar unit, and a network connected to the image-processing unit, the radar unit, the information-merging unit and a vehicle control unit capable of controlling the traveling operation of a host vehicle. The image-processing unit recognizes headway distance, the azimuth, relative speed and width of the preceding vehicle, and the position of the host vehicle in a lane. The radar unit recognizes headway distance, the azimuth and relative speed of the preceding vehicle. The information-merging unit receives recognition results provided by the image-processing unit and the radar unit through the network, merges the recognition results, identifies recognition objects relating to the recognition results.Type: ApplicationFiled: August 21, 2002Publication date: June 5, 2003Applicant: Hitachi, Ltd.Inventors: Hiroshi Takenaga, Shoji Muramatsu, Yuji Otsuka
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Publication number: 20030103650Abstract: In a lane marker recognition method comprising the steps of inputting an image including a lane marker, extracting a luminance change point in the image input in the image inputting step, and estimating the position of the lane marker using the edge points extracted in the edge extracting step, the edge extracting step calculates an angle of orientation of each of the edges and the lane marker position estimating step extracts edge points that are oriented toward a vanishing point of a road from among the edge points extracted in the edge extracting step.Type: ApplicationFiled: November 27, 2002Publication date: June 5, 2003Applicant: Hitachi, Ltd.Inventors: Yuji Otsuka, Shoji Muramatsu, Hiroshi Takenaga, Jiro Takezaki, Tatsuhiko Monji
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Publication number: 20030072471Abstract: A driving lane recognition system which can improve the lane recognition accuracy by stably detecting the various kinds of lane markers is disclosed. An image processing means 6 for image-processing a road image taken by a camera 5 has a plurality of different kinds of image processing algorithms 9 to 11. A driving lane is detected by selecting an image processing algorithm suitable for the driving lane out of the plurality of different kinds of image processing algorithms 9 to 11 corresponding to a road on which a vehicle is running.Type: ApplicationFiled: October 17, 2002Publication date: April 17, 2003Applicant: Hitachi, Ltd.Inventors: Yuji Otsuka, Shoji Muramatsu, Hiroshi Takenaga, Jiro Takezaki, Tatsuhiko Monjii
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Publication number: 20030063773Abstract: Information of light from a subject is converted into information of the electric charges to generate image data for one screen in an image pickup device, the image data is outputted to an image processing LSI, only the image data belonging to a plurality of areas is selected by a processing amount reduction unit, the selected image data is transferred to a RAM in a single chop by a data transfer unit, and the processing of recognizing a white line is executed by a CPU on the basis of the image data stored in the RAM.Type: ApplicationFiled: March 20, 2002Publication date: April 3, 2003Inventors: Shoji Muramatsu, Yuji Otsuka, Yoshiki Kobayashi, Hiroshi Takenaga, Jiro Takezaki, Tatsuhiko Monji, Isao Furusawa
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Publication number: 20020118203Abstract: An image processing apparatus is composed of a plurality of function processing units for performing image processing, a high priority function selection part for selecting functions, execution of each of which is required by a corresponding one of the function processing units, based on the predetermined priority for each of the functions; and a data control unit including a data transfer part for preferentially accessing the shared memory which the function selected by the high priority function selection part requires, and a plurality of data holding parts, each of the data holding parts holding a predetermined amount of data transmitted with each of the plurality of function processing units, wherein the data transfer part controls the bus connecting the CPU and the shared memory based on requirement sent from each of the function processing units, and each of the plurality of function processing units transmits data with the data control unit separately from the others of the plurality of function procesType: ApplicationFiled: April 4, 2002Publication date: August 29, 2002Inventors: Shoji Muramatsu, Yoshiki Kobayashi, Kenji Hirose, Shigetoshi Sakimura
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Patent number: 6384832Abstract: An image processing apparatus is composed of a plurality of function processing units for performing image processing, a high priority function selection part for selecting functions, execution of each of which is required by a corresponding one of the function processing units, based on the predetermined priority for each of the functions; and a data control unit including a data transfer part for preferentially accessing the shared memory which the function selected by the high priority function selection part requires, and a plurality of data holding parts, each of the data holding parts holding a predetermined amount of data transmitted with each of the plurality of function processing units, wherein the data transfer part controls the bus connecting the CPU and the shared memory based on requirement sent from each of the function processing units, and each of the plurality of function processing units transmits data with the data control unit separately from the others of the plurality of function procesType: GrantFiled: March 1, 1999Date of Patent: May 7, 2002Assignees: Hitachi, Ltd., Hitachi Engineering Co., Ltd.Inventors: Shoji Muramatsu, Yoshiki Kobayashi, Kenji Hirose, Shigetoshi Sakimura
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Patent number: 5423287Abstract: Crystal growing cell including first and second casings. The first casing has a first solution chamber for containing a first solution therein. The first solution chamber has an opening. The second casing has a closing member placed therein for movement in a first direction and in a second direction opposite to the first direction. The second casing has a third casing placed therein. The third casing is fixed to the first casing around the opening to form a second solution chamber for containing a second solution therein. The closing member is moved in the first direction to close the opening so as to separate the first solution chamber from the second solution chamber. The closing member is moved in the second direction to open the opening so as to connect the first solution chamber to the second solution chamber.Type: GrantFiled: November 22, 1993Date of Patent: June 13, 1995Assignees: Nissan Motor Company, Ltd., National Space Development Agency of JapanInventors: Ron Usami, Shunji Nagaoka, Tsutomu Udaka, Kazunori Kawasaki, Shoji Muramatsu