Hitachi, Ltd.

Hitachi Automotive Systems, Ltd.

Other

Shinya Ohtsuji

Nobuyasu Kanekawa

Shoji Suzuki

Soshiro Kuzunuki

Michio Morioka

Tadashi Kamiwaki

Yoshimichi Sato

Shoji Muramatsu

Mariko Okude

Hiroshi Sato

Takeshi Shima

Masayuki Takemura

Makoto Nohmi

Korefumi Tashiro

Isao Furusawa

Keisuke Bekki

Yuji Otsuka

Shinichi Komura

Ikuo Hiyama

Tsunenori Yamamoto

Makoto Shioya

Hiroshi Kageyama

Tatsuhiko Monji

Tatsuya Yoshida

Nobuyuki Ichimaru

Masaaki Uchiyama

Toshiaki Nakamura

Ryusuke Hirao

Takehito Ogata

Akio Amano

Taisetsu Tanimichi

Haruki Matono

Koji Fukui

Ryo Ota

Tetsuya Aoyama

Toshihiro Kujirai

Yoichi Kumemura

Takahide Kobayashi

Hiroto Mitoma

Akira Oshima

Mikio Ueyama

Tatsuya Gankai

Manabu Niie

Shuichiro Kuroiwa

Isa Ismet Khumaedi

Taisetsu c/o Hitachi Ltd Int Prop Group Tanimichi

In order to provide a small, stereo camera with stable errors of distance measurement, there are provided: an image acquisition unit that acquires plural images imaged by plural imaging units; a first region processing unit that divides each of the plural images acquired by the image acquisition unit into first regions composed of predetermined plural pixels, and measures a distance for each of the divided first regions to generate a first distance image; a target object extraction unit that extracts a target object from the distance image or the image, and extracts a second region composed of the plural first regions including the extracted target object; an error factor identification unit that extracts a predetermined representative value from the inside of the second region, compares the brightness value of an arbitrary pixel in the second region with that in a correspondence region up to the position moved from the arbitrary pixel by a disparity represented by the representative value, and determines an error factor on the basis of the comparison result; and a second region processing unit that determines a weight value on the basis of the error factor, and measures a distance for each second region using the weight value to generate a second distance image.

Stereo camera

An external environment recognizing device for vehicle includes an image acquiring unit configured to acquire image obtained by picking up image of an area ahead of an own vehicle, a light-source extracting unit configured to extract light source from the acquired image, an own-vehicle-speed acquiring unit configured to acquire own vehicle speed, an oncoming-vehicle-presence-possible-region estimating unit configured to estimate oncoming vehicle presence possible region on the basis of own vehicle speed, and an oncoming-vehicle detecting unit configured to detect an oncoming vehicle on the basis of the oncoming vehicle presence possible region and the light source. The oncoming-vehicle-presence-possible-region estimating unit estimates oncoming vehicle presence possible region on the basis of the own vehicle speed, a minimum curvature radius of traveling road corresponding to a speed limit determined in advance, and traffic information indicating whether driving on the traveling road is driving on the right side or the left side.

External environment recognizing device for vehicle and light distribution control system using the same

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.

Vehicle-mounted environment recognition apparatus and vehicle-mounted environment recognition system

An in-car-use multi-application execution device is provided that ensures safety while maintaining convenience by securing operation of a plurality of applications and suppressing occurrence of a termination process within a limited processing capacity without degrading a real-time feature. The in-car-use multi-application execution device dynamically predicts a processing time for each application, and schedules each application on the basis of the predicted processing time. If it is determined that an application failing to complete a process in a prescribed cycle exists as a result of the scheduling, a process is executed that terminates the application or degrades the function of the application on the basis of a preset priority order.

In-car-use multi-application execution device

A vehicle controller is provided capable of expanding an application range of departure prevention control while suppressing erroneous control. The vehicle controller includes: a vehicle-mounted camerathat captures an image in front of a vehicle; and an ECUthat decides one vehicle control method from a plurality of vehicle control methods and controls an actuator with the decided vehicle control method. The vehicle-mounted camera includes an area-specific confidence calculation sectionthat divides the image captured into a plurality of areas on a basis of an acquired image by the capturing and a recognized lane, calculates confidence for each divided area and outputs area-specific confidence information, and the ECU decides a vehicle control method in accordance with the area-specific confidence information.

Vehicle controller

A collision between a vehicle and an obstacle is estimated, and based on the estimation result, vehicle deceleration control is performed by a brake actuator to reduce the collision and vehicle wheel load is controlled by a suspension actuator.

Vehicle safety control apparatus for avoiding collision

There are provided a navigation apparatus, a forward recognition apparatus using a camera or the like, which can capture a situation around the vehicle and calculate a distance to a particular object and a relative velocity, and sensors mounted on the vehicle to acquire the driving status of the vehicle. Whether to continue or suspend driver assistance control based on output information from the forward recognition apparatus using a camera or the like is determined according to driving environment information obtained from the navigation apparatus or the forward recognition apparatus using a camera or the like. If the visibility is determined to be poor from information from the sensors, the driver assistance control based on the output information from the forward recognition apparatus is suspended.

Driver assistance system controller and driver assistance control method for vehicles

In order to provide a speech input system for having access from a mobile terminal such as a PDA or a portable phone, or a stationary terminal such as a home telephone, a TV set, or a PC to a network through speech, and receiving a service from a provider for providing map information, music information, broadcast program information, and telephone information, the speech input system comprises speech input terminalsprovided with a speech input/output mean, and an access status display mean, a speech portal serverprovided with a speech recognizing mean for receiving a speech to recognize it as a text, a command converting mean for checking the recognized text with a command text dictionary, and separating it into a command text and an object text, and a conversation control mean for having an access to, and receiving a service from a provider which provides different information based on the separated texts, and providing the speech input terminal with the service, and a providerfor searching information based on the command text and the object text received from the speech portal server, and serves the speech portal server with a search result.

Speech input system, speech portal server, and speech input terminal

The present invention is characterized in that the car navigation system for, at the time of desiring map information, traffic information, and other required information in a car, inquiring an information distribution service provider for distribution the information is composed of a moving terminal device which can be operated by inputting and outputting voice, a communication device, an audio interactive server which can input and output voice and data, is connected to an external device and the Internet on the basis of audio interactions by the voice recognition process and voice synthesis process, and executes information transfer, and one or a plurality of information distribution service providers connected to the Internet for distributing information such as map information and traffic information.

Audio interactive navigation system, moving terminal device, and audio interactive server

A display apparatus which can display a ultra-high definition picture and high-speed animation is provided. The input picture signal is connected by signal generation circuit which supplies a desired signal to X driver according to n-gradation approximation picture signal output from n-gradation approximation calculating circuit to convert into n-gradation approximation picture signal approximated to binary gradation in every block and n-gradation approximation calculating circuit, Y driver, common voltage generating circuit, signal supply circuit and X driver, and a plurality of pixel parts connected by X signal line and Y driver which extends in the Y direction, and provided to the intersection parts of Y signal line which expands in the X direction.

Display method and display apparatus therefor

An image processing system includes a printer driver converting input image data into a printing data, and a printer apparatus performing data output using the converted image data. The printer driver or the printer apparatus includes at least an image forming apparatus. The image forming apparatus includes a data buffer storing an input printing data, a judgment portion for making judgment whether a define statement of a predetermined character is included in data stored in the data buffer; and a line screen value converting portion for converting a line screen definition for performing halftone printing of the predetermined character when a define statement of the predetermined character is contained in data stored in the data buffer.

Image processing system having image forming apparatus and printer apparatus

A self-checking circuit, which is useful for a highly reliable system configuration, includes a logic circuit having an error detection function. For function blocks for feeding out a plurality of signals that are at least duplexed, the logic circuit compares the output signals of the function blocks, and detects an error on the basis of results of the comparison. The logic circuit comprises synthesizing means provided to superimpose inherent waveforms assigned in advance to the respective output signals of the function blocks onto the output signals of one of the function blocks. The inherent waveforms are orthogonal waveforms generated by an orthogonal waveform generator circuit. The logic circuit also comprises comparison means for comparing a signal output of the synthesizing means with the signal output of the other function block to detect an error. The whole circuit including the function blocks are judged normal only if the waveforms inherent to both output signals exist.

Logic circuit having error detection function, redundant resource management method, and fault tolerant system using it

Logic circuit having error detection function, redundant resource

Growing community of inventors

Tokai, Japan

Shinya Ohtsuji