Patents by Inventor Takayoshi Koyama
Takayoshi Koyama 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: 20240144702Abstract: A prediction device includes a state detector that detects a state related to sleepiness of a driver; an eye-closure duration detector that detects an eye-closure duration of the driver; and a microsleep predictor that predicts that the driver is in the microsleep state, on conditions that the state detector detects the state related to the sleepiness of the driver and that the eye-closure duration detector detects the eye-closure duration that is no shorter than a first duration and no longer than a second duration.Type: ApplicationFiled: October 18, 2023Publication date: May 2, 2024Applicant: Panasonic Intellectual Property Management Co., Ltd.Inventors: Chisato IMAMURA, Takayoshi KOYAMA, Wataru NAKAI, Soichi KIMURA
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Publication number: 20230206657Abstract: An estimation apparatus includes: an image information obtainer that obtains image information of a captured image of a driver; a first detector that detects face information indicating facial behavior of the driver, based on the image information; a first reliability calculator that calculates first reliability; a second detector that detects body information indicating body movement of the driver, based on the image information; a second reliability calculator that calculates second reliability; a weight setter that, when the face information and the body information are detected, sets a first weight corresponding to the face information and a second weight corresponding to the body information based on the first reliability and the second reliability; and an estimator that estimates drowsiness of the driver based on the face information weighted by the first weight and the body information weighted by the second weight.Type: ApplicationFiled: November 15, 2022Publication date: June 29, 2023Applicant: Panasonic Intellectual Property Management Co., Ltd.Inventors: Chisato IMAMURA, Takayoshi KOYAMA, Wataru NAKAI, Motoyuki OKAYAMA
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Patent number: 10796415Abstract: An image processing device includes: a first obtainer that obtains a captured image from an imaging device that captures a view in front of a vehicle; a second obtainer that obtains a remaining distance to a next guide point; an image processor that performs image processing on a specified region, in the captured image, corresponding to a position distanced by the remaining distance; and an output unit that outputs the captured image processed by the image processor, wherein the image processor controls an edge strength of a subject in the specified region, in accordance with the remaining distance.Type: GrantFiled: December 21, 2018Date of Patent: October 6, 2020Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Takayoshi Koyama, Makoto Funabiki, Chisato Yamashita, Keiichiro Obayashi
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Patent number: 10378916Abstract: A peripheral information obtaining unit, a road information obtaining unit, and a communication unit which are included in a driving environment obtaining unit obtain information indicating a current state of a drive environment. A driver information obtaining unit and a vehicle information obtaining unit which are included in a driving state obtaining unit obtain information indicating a driving state of a current driver. A display controller controls at least one of a display position and a display timing of a guidance sign to be displayed on a display unit, based on at least one of the pieces of information which are output from the driving environment obtaining unit, the driving state obtaining unit, and a route guiding unit.Type: GrantFiled: July 22, 2016Date of Patent: August 13, 2019Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Makoto Funabiki, Keiichiro Obayashi, Takayoshi Koyama, Jun Imamura, Tadashi Shibata
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Publication number: 20190206029Abstract: An image processing device includes: a first obtainer that obtains a captured image from an imaging device that captures a view in front of a vehicle; a second obtainer that obtains a remaining distance to a next guide point; an image processor that performs image processing on a specified region, in the captured image, corresponding to a position distanced by the remaining distance; and an output unit that outputs the captured image processed by the image processor, wherein the image processor controis an edge strength of a subject in the specified region, in accordance with the remaining distance.Type: ApplicationFiled: December 21, 2018Publication date: July 4, 2019Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Takayoshi KOYAMA, Makoto FUNABIKI, Chisato YAMASHITA, Keiichiro OBAYASHI
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Publication number: 20170309257Abstract: A display control device includes a determination unit and a controller. The determination unit determines whether or not a subject viewed from a passenger falls within a display range of a virtual image based on the position information of the subject acquired from a recognition unit that recognizes the subject in the foreground of a moving object and the estimated value of a depression angle acquired from an estimation unit that estimates the depression angle when the virtual image is viewed from the passenger. In a case where the subject is determined to fall within the display range, the controller controls a display unit to generate an image that represents a first display image showing the information corresponding to the subject.Type: ApplicationFiled: October 23, 2015Publication date: October 26, 2017Inventors: TAKASHI AKITA, KEIICHIRO OBAYASHI, MAKOTO FUNABIKI, TAKAYOSHI KOYAMA, JUN IMAMURA
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Publication number: 20160327402Abstract: A peripheral information obtaining unit, a road information obtaining unit, and a communication unit which are included in a driving environment obtaining unit obtain information indicating a current state of a drive environment. A driver information obtaining unit and a vehicle information obtaining unit which are included in a driving state obtaining unit obtain information indicating a driving state of a current driver. A display controller controls at least one of a display position and a display timing of a guidance sign to be displayed on a display unit, based on at least one of the pieces of information which are output from the driving environment obtaining unit, the driving state obtaining unit, and a route guiding unit.Type: ApplicationFiled: July 22, 2016Publication date: November 10, 2016Inventors: Makoto FUNABIKI, Keiichiro OBAYASHI, Takayoshi KOYAMA, Jun IMAMURA, Tadashi SHIBATA
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Patent number: 9313477Abstract: A three-dimensional video processing apparatus includes: a video obtaining unit which obtains a 3D video for three-dimensional viewing; a position obtaining unit which obtains a position of a first area which is an area included in a part of the 3D video; a disparity obtaining unit which obtains disparity amounts of the 3D video; a determination unit which determines a size of an enlargement area; and an area selection unit which selects, as the enlargement area, at least one second area that has disparity amounts within a predetermined range, includes the first area, and has a size determined by the determination unit.Type: GrantFiled: May 8, 2013Date of Patent: April 12, 2016Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Takayoshi Koyama, Kenjiro Tsuda, Yoshiyuki Okimoto
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Publication number: 20150201150Abstract: A video output device according to the present disclosure synthesizes a plurality of videos into a video to be displayed. The video output device includes image processing unit and output unit. The image processing unit extracts a plurality of reference frames from any one reference video selected from the plurality of the videos captured by an imaging unit, and extracts a corresponding frame, most similar to a respective one of the reference frames, from each of the videos excluding the reference video. The output unit outputs a synthesized frame which image processing unit synthesizes from the each of the reference frame and the corresponding frame.Type: ApplicationFiled: March 24, 2015Publication date: July 16, 2015Inventors: Masayuki KIMURA, Hidetoshi TAKEDA, Yoshiyuki OKIMOTO, Takayoshi KOYAMA
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Publication number: 20130272677Abstract: An image file generation device includes an image obtaining unit configured to obtain data of a stereoscopic image enabling stereovision, an parallax information obtaining unit configured to obtain parallax information for each of sub-regions (divided regions) of an entire region of the stereoscopic image, and a file generator configured to generate an image file including a data part which stores data of the stereoscopic image obtained by the image obtaining unit and a header part which stores management data for the data of the stereoscopic image stored in the data part. The file generator stores, in the header part, parallax information for each sub-region and information on a method of dividing the region, for each sub-region.Type: ApplicationFiled: June 7, 2013Publication date: October 17, 2013Inventors: Kenjiro TSUDA, Yoshiyuki OKIMOTO, Takayoshi KOYAMA, Tatsuro JURI
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Publication number: 20130242065Abstract: A three-dimensional video processing apparatus includes: a video obtaining unit which obtains a 3D video for three-dimensional viewing; a position obtaining unit which obtains a position of a first area which is an area included in a part of the 3D video; a disparity obtaining unit which obtains disparity amounts of the 3D video; a determination unit which determines a size of an enlargement area; and an area selection unit which selects, as the enlargement area, at least one second area that has disparity amounts within a predetermined range, includes the first area, and has a size determined by the determination unit.Type: ApplicationFiled: May 8, 2013Publication date: September 19, 2013Applicant: PANASONIC CORPORATIONInventors: Takayoshi KOYAMA, Kenjiro TSUDA, Yoshiyuki OKIMOTO
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Patent number: 8369359Abstract: A communication device for transmitting data to an other communication device via a transmission channel, includes a communication characteristic acquisition section which acquires a communication characteristic of the transmission channel, and a frame length control section which controls a frame length of a communication frame storing the data based on the communication characteristic of the transmission channel.Type: GrantFiled: January 16, 2010Date of Patent: February 5, 2013Assignee: Panasonic CorporationInventors: Kensuke Yoshizawa, Taisuke Konishi, Atsushi Narita, Takayoshi Koyama
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Publication number: 20120235992Abstract: A stereoscopic image processing apparatus includes an input/output interface operable to obtain a stereoscopic image including images at least at two view points, a parallax information detector operable to obtain parallax information about a parallax value for at least one of an upper region including an upper end and a lower region including a lower end of the obtained stereoscopic image, a display method setting unit operable to set a display method of an image on the region for which the parallax information is obtained, based on the parallax information about the region, an signal processor operable to process the image of the stereoscopic image on the region for which the parallax information is obtained, based on the set display method, and an signal processor operable to output a new stereoscopic image obtained based on the processed result.Type: ApplicationFiled: March 14, 2012Publication date: September 20, 2012Inventors: Kenjiro TSUDA, Yoshiyuki OKIMOTO, Takayoshi KOYAMA
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Publication number: 20110058594Abstract: In power line communication using a power line as a transmission path, a transmitter terminal transmits a communication signal while changing a phase parameter of the communication signal transmitted, in the continuous communication signal, according to an impedance variation amount on the transmission path. In this communication method, the communication signal is received stably with no variation in the phase parameter of the communication signal in response to the impedance variation amount on the transmission path, permitting high-speed data communication with reduced communication error.Type: ApplicationFiled: September 10, 2010Publication date: March 10, 2011Applicant: Panasonic CorporationInventors: Takayoshi KOYAMA, Yuichi Yamamoto, Hitoshi Tahara, Nobutaka Kodama
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Publication number: 20100183029Abstract: A communication device for transmitting data to an other communication device via a transmission channel, includes a communication characteristic acquisition section which acquires a communication characteristic of the transmission channel, and a frame length control section which controls a frame length of a communication frame storing the data based on the communication characteristic of the transmission channel.Type: ApplicationFiled: January 16, 2010Publication date: July 22, 2010Applicant: PANASONIC CORPORATIONInventors: Kensuke YOSHIZAWA, Taisuke KONISHI, Atsushi NARITA, Takayoshi KOYAMA
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Publication number: 20080320170Abstract: The present invention provides a data communication apparatus for solving the following problem. When generating coded frames of multiple data streams, in the case where there is a bias in code amount of the generated coded frame, the communication apparatus is instantaneously overloaded, causing packet losses. The network cameral terminal which is the data communication apparatus includes a sensor unit that takes images or audio information, a compression unit that compression-codes the image or the audio signal and generates coded frames (I-frame, P-frame, B-frame and others), a frame control unit that controls types of the coded frame generated by the compression unit using a generation table held in a generation table holding unit, and a communication unit that transmits the coded frames to multiple communication terminals on the network in parallel.Type: ApplicationFiled: June 24, 2008Publication date: December 25, 2008Applicant: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.Inventors: Shinichiro Yamauchi, Akio Takeuchi, Takayoshi Koyama