Patents by Inventor Tatsuhiko Monji
Tatsuhiko Monji 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: 20140028873Abstract: There is provided an image processing apparatus that can implement image recognition processing on all of objects to be recognized, and can reduce a load of capturing and transferring images.Type: ApplicationFiled: April 4, 2012Publication date: January 30, 2014Inventors: Mirai Higuchi, Masahiro Kiyohara, Takeshi Shima, Tatsuhiko Monji
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Patent number: 8620025Abstract: In order to perform vehicle control, a warning process, and the like which do not give a driver an uncomfortable feeling in speed adjustment, a warning process, and the like corresponding to a road shape such as a curve, it is necessary to recognize not only a near road shape but also a far road shape with high accuracy.Type: GrantFiled: June 24, 2009Date of Patent: December 31, 2013Assignee: Hitachi, Ltd.Inventors: Mirai Higuchi, Ryo Ota, Takuya Naka, Morihiko Sakano, Shoji Muramatsu, Tatsuhiko Monji
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Publication number: 20130335561Abstract: In the present invention, images at a front side or a rear side of a vehicle are obtained from a plurality of image capturing devices and a disparity and a distance to the captured object are calculated from the images, if the disparity is not sufficiently obtained, pattern light is irradiated onto a capturing object and an image of the object onto which the pattern light is irradiated is obtained again from the plurality of image capturing devices and the disparity and the distance to the captured object are calculated. Therefore, it is possible to provide an in-vehicle camera and system that recognizes an obstacle even in a situation where it is difficult to obtain the disparity of the obstacle around the vehicle.Type: ApplicationFiled: March 1, 2012Publication date: December 19, 2013Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.Inventors: Naoki Kourogi, Tatsuhiko Monji
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Publication number: 20130147948Abstract: It is possible to provide an image processing apparatus capable of carrying out calibration easily and precisely without requiring a special facility and provide an imaging apparatus making use of the image processing apparatus. The imaging apparatus comprises at least two cameras 4a and 4b. The image processing apparatus or the image processing apparatus comprises a corresponding-area computing section 23 for finding a relation between areas on images taken by the cameras 4a and 4b; a coincidence-degree computing section 24 for finding a degree of coincidence of information obtained from corresponding areas on the images taken by the cameras 4a and 4b; and a camera-parameter computing section 25 for finding camera parameters on the basis of the coincidence degree computed by the coincidence-degree computing section 24.Type: ApplicationFiled: July 27, 2011Publication date: June 13, 2013Inventors: Mirai Higuchi, Morihiko Sakano, Takeshi Shima, Shoji Muramatsu, Tatsuhiko Monji
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Patent number: 8452056Abstract: An image pickup device that acquires images is controlled by an image pickup device controller that accepts image acquisition requests from multiple application programs, and an application scheduler selects application programs to be executed. Information indicative of the image data volumes and image data acquisition rates required for each of the multiple application programs is stored and used to select multiple concurrently executable application programs on the basis of the image data volumes and image data acquisition rates. An image acquisition scheduler determines the timing and intervals at which the multiple executable application programs repeat receiving image data from the image pickup device, without overlapping in terms of time. In addition, an operations section, which explicitly presents concurrently executable application programs to a user and commands the startup of these programs, is displayed on a navigation screen menu.Type: GrantFiled: January 26, 2012Date of Patent: May 28, 2013Assignee: Hitachi, Ltd.Inventors: Shoji Muramatsu, Yuuji Otsuka, Hiroshi Takenaga, Tatsuhiko Monji, Jiro Takezaki, Isao Furusawa
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Patent number: 8421863Abstract: Provided is an in-vehicle image display device capable of providing, from among images of the peripheral area of a vehicle that can change in accordance with the driving state, an image of a part needed by the driver at an appropriate timing so that the driver can recognize the positional relationship between the vehicle and the peripheral area of the vehicle. Images captured with in-vehicle cameras are acquired, and a vehicle periphery image is generated from such images. Then, a collision-warned part of the vehicle that has a possibility of hitting a nearby object is selected based on the vehicle driving state, and the acquired image is processed to generate an enlarged image of the peripheral area of the collision-warned part of the vehicle selected by the collision-warned part selection part. Then, a composite display image, in which the positions of the enlarged image and the vehicle periphery image are displayed in a correlated manner, is generated and displayed.Type: GrantFiled: July 27, 2010Date of Patent: April 16, 2013Assignee: Hitachi, Ltd.Inventors: Ryo Yumiba, Masahiro Kiyohara, Tatsuhiko Monji, Kota Irie
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Patent number: 8411900Abstract: There is provided a road boundary detection/judgment device resistant to environmental change and capable of detecting even a road boundary demarcated by a three-dimensional object in the distance.Type: GrantFiled: June 10, 2009Date of Patent: April 2, 2013Assignee: Hitachi Automotive Systems, Ltd.Inventors: Takuya Naka, Tatsuhiko Monji
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Patent number: 8384781Abstract: A stereo camera device includes: plural picture image taking sections, an image correction section which makes correction of picture images taken, a parallax calculating section which calculates parallax, an amount of dislocation between the left and right images, and an image recognition section which carries out image recognition processing using both the image taken and the calculated parallax, or either of them. The stereo camera device further includes: a processing area setting up section which sets up the image area to be processed and reduction ratio differently depending on the driving environment of the vehicle on which the stereo camera device is mounted, wherein, by using the image area and the reduction ratio set up by the processing area setting up section, the image correction section makes correction to the picture image, the parallax calculating section calculates parallax, and the image recognition section carries out processing of image recognition.Type: GrantFiled: December 12, 2008Date of Patent: February 26, 2013Assignee: Hitachi, Ltd.Inventors: Mirai Higuchi, Shoji Muramatsu, Soichiro Yokota, Tatsuhiko Monji
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Publication number: 20120327189Abstract: A stereo camera apparatus which carries out distance measuring stably and with high accuracy by making measuring distance resolution variable according to a distance to an object is provided. A stereo camera apparatus 1 takes in two images, changes resolution of a partial area of each image that is taken in, and calculates a distance from a vehicle to an object that is imaged in the partial area, based on disparity of the partial area of each image in which resolution is changed. Thus, even when the object exists at a long distance and is small in size, distance measuring processing can be carried out stably.Type: ApplicationFiled: August 13, 2010Publication date: December 27, 2012Applicant: Hitachi Automotive Systems, Ltd.Inventors: Shoji Muramatsu, Mirai Higuchi, Tatsuhiko Monji, Soichiro Yokota, Morihiko Sakano, Takeshi Shima
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Vehicle-Mounted Environment Recognition Apparatus and Vehicle-Mounted Environment Recognition System
Publication number: 20120327188Abstract: A vehicle-mounted environment recognition apparatus including a simple pattern matching unit which extracts an object candidate from an image acquired from a vehicle-mounted image capturing apparatus by using a pattern shape stored in advance and outputs a position of the object candidate, an area change amount prediction unit which calculates a change amount prediction of the extracted object candidate on the basis of an object change amount prediction calculation method set differently for each area of a plurality of areas obtained by dividing the acquired image, detected vehicle behavior information, and an inputted position of the object candidate, and outputs a predicted position of an object, and a tracking unit which tracks the object on the basis of an inputted predicted position of the object.Type: ApplicationFiled: August 13, 2010Publication date: December 27, 2012Applicant: Hitachi Automotive Systems, Ltd.Inventors: Masayuki Takemura, Shoji Muramatsu, Isao Furusawa, Shinya Ohtsuji, Takeshi Shima, Yuji Otsuka, Tatsuhiko Monji -
Publication number: 20120307062Abstract: There is provided a vehicle-mounted image processing device that is capable of making a plurality of processing units appropriately perform processes corresponding to scenes in which there are many types, such as people, vehicles, etc., and in which they are combined. Based on processing results of image processing by a plurality of processing units 40, the vehicle-mounted image processing device generates tag information representing the type and priority of image processing to be executed next by each of the processing units 40, and, using tag information generated during previous image processing, determines whether or not to have each of the processing units 40 perform image processing.Type: ApplicationFiled: August 13, 2010Publication date: December 6, 2012Inventors: Hidemitsu Naya, Tatsuhiko Monji, Kazuma Ishigaki
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Patent number: 8320626Abstract: An image processing accuracy estimation unit estimates an image processing accuracy by calculating a size of an object by which the accuracy of measurement of the distance of the object photographed by an on-vehicle camera becomes a permissible value or less. An image post-processing area determination unit determines, in accordance with the estimated image processing accuracy, a partial area inside a detection area of the object as an image post-processing area for which an image post-processing is carried out and lattices the determined image post-processing area to cells. An image processing unit processes the image photographed by the on-vehicle camera to detect a candidate for object and calculates a three-dimensional position of the detected object candidate. An image post-processing unit calculates, in each the individual cell inside the determined area the probability as to whether the detected object is present and determines the presence/absence of the object.Type: GrantFiled: June 22, 2009Date of Patent: November 27, 2012Assignee: Hitachi, Ltd.Inventors: Mirai Higuchi, Shoji Muramatsu, Soichiro Yokota, Tatsuhiko Monji
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Publication number: 20120288154Abstract: Disclosed is a road-shoulder detecting device including a distance-information calculating portion for calculating the presence of a physical object and the distance from the subject vehicle to the object from input three-dimensional image information relating to an environment around the vehicle, a vehicular road surface detecting portion for detecting a vehicular road surface with the subject vehicle from a distance image, a height difference calculating portion for measuring height difference between the detected vehicular road and an off-road region, and a road shoulder decision portion for deciding height difference as to whether the road shoulder is boundary between the surface and the region in a case where there is an off-road region lower than the vehicular road surface.Type: ApplicationFiled: August 9, 2010Publication date: November 15, 2012Applicant: Hitachi Automotive Systems, Ltd.Inventors: Takeshi Shima, Mirai Higuchi, Shoji Muramatsu, Tatsuhiko Monji, Takuya Naka
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Publication number: 20120269382Abstract: An object recognition device includes; an image-capturing unit mounted to a mobile body; an image generation unit that converts images captured by the image-capturing unit at different time points to corresponding synthesized images as seen vertically downwards from above; a detection unit that compares together a plurality of the synthesized images and detects corresponding regions; and a recognition unit that recognizes an object present upon the road surface from a difference between the corresponding regions.Type: ApplicationFiled: April 24, 2009Publication date: October 25, 2012Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.Inventors: Masahiro Kiyohara, Kota Irie, Naoki Kourogi, Tatsuhiko Monji, Yoshitaka Takahashi, Shoji Muramatsu
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Patent number: 8289391Abstract: There is provided apparatus for vehicle surroundings monitorings that assists so as to make it possible for a driver to check the periphery of the vehicle with ease. Plural images are obtained by capturing the periphery of the vehicle with mutually differing exposure. A process of image recognition is then performed for a target within the thus obtained images. The images are then compared, and images for which the accuracy of image recognition of the target is favorable are selected from among the images. The selected images are joined and composited to generate a host vehicle periphery composite image. Thus, an image with a wide dynamic range and high visibility is generated, thereby making it easier for the driver to check the periphery of the vehicle.Type: GrantFiled: August 18, 2010Date of Patent: October 16, 2012Assignee: Hitachi, Ltd.Inventors: Masahiro Kiyohara, Ryo Yumiba, Kota Irie, Tatsuhiko Monji
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Publication number: 20120224747Abstract: An in-vehicle running-environment recognition apparatus including an input unit for inputting an image signal from in-vehicle imaging devices for photographing external environment of a vehicle, an image processing unit for detecting a first image area by processing the image signal, the first image area having a factor which prevents recognition of the external environment, an image determination unit for determining a second image area based on at least any one of size of the first image area, position thereof, and set-up positions of the in-vehicle imaging devices having the first image area, an environment recognition processing being performed in the second image area, the first image area being detected by the image processing unit, and an environment recognition unit for recognizing the external environment of the vehicle based on the second image area.Type: ApplicationFiled: May 18, 2012Publication date: September 6, 2012Applicant: Hitachi, Ltd.Inventors: Mirai HIGUCHI, Yuji Otsuka, Takeshi Shima, Kimiyoshi Machii, Shoji Muramatsu, Kota Irie, Tatsuhiko Monji
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Publication number: 20120185167Abstract: A road shape recognition device capable of accurately recognizing the road shape of a road that lies ahead in the travel direction of a vehicle is provided. A road shape recognition device 1 detects a road region of the road based on an image capturing a scene ahead in the travel direction of the vehicle, and estimates the shape of the road based on that road region. Thus, it is possible to accurately recognize road shapes over distances ranging from short to long.Type: ApplicationFiled: July 23, 2010Publication date: July 19, 2012Applicant: Hitachi Automotive Systems LtdInventors: Mirai Higuchi, Morihiko Sakano, Takeshi Shima, Shoji Muramatsu, Tatsuhiko Monji
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Patent number: 8212878Abstract: An on-vehicle camera calibration apparatus includes: an on-vehicle camera; a camera parameter calculation unit configured to calculate camera parameters from a characteristic amount of a road surface sign photographed by the on-vehicle camera and recognized by an image processing and to output the camera parameters, wherein the camera parameters include an installation height and installation angle of the on-vehicle camera in photographing; and a camera parameter calibration unit configured to perform optical axis calibration control of the on-vehicle camera by the camera parameters output from the camera parameter calculation unit.Type: GrantFiled: June 28, 2007Date of Patent: July 3, 2012Assignee: Hitachi, Ltd.Inventors: Takeshi Shima, Shoji Muramatsu, Yuji Otsuka, Tatsuhiko Monji, Kota Irie
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Patent number: 8207834Abstract: A virtual vehicle which approaches to a monitor-side vehicle and a virtual background are defined in a camera image, and a region in which a virtual vehicle moves fast with respect to a virtual background is defined as a first region F1, and a region in which a virtual vehicle moves slowly with respect to a virtual background is defined as a second region F2. Then, the first region F1 and the second region F2 combined with an actual camera image. In the first region F1, in which the virtual vehicle moves fast, a monitored vehicle is detected by a movement aspect of feature portions in the region, and in the second region F2, in which the virtual vehicle moves slowly, a monitored vehicle is detected by pattern recognition.Type: GrantFiled: January 30, 2009Date of Patent: June 26, 2012Assignee: Hitachi, Ltd.Inventors: Masayuki Takemura, Shoji Muramatsu, Tatsuhiko Monji, Yuji Otsuka
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Patent number: 8204276Abstract: An in-vehicle running-environment recognition apparatus including an input unit for inputting an image signal from in-vehicle imaging devices for photographing external environment of a vehicle, an image processing unit for detecting a first image area by processing the image signal, the first image area having a factor which prevents recognition of the external environment, an image determination unit for determining a second image area based on at least any one of size of the first image area, position thereof, and set-up positions of the in-vehicle imaging devices having the first image area, an environment recognition processing being performed in the second image area, the first image area being detected by the image processing unit, and an environment recognition unit for recognizing the external environment of the vehicle based on the second image area.Type: GrantFiled: January 23, 2008Date of Patent: June 19, 2012Assignee: Hitachi, Ltd.Inventors: Mirai Higuchi, Yuji Otsuka, Takeshi Shima, Kimiyoshi Machii, Shoji Muramatsu, Kota Irie, Tatsuhiko Monji