Abstract: An enhanced map information processing unit 14 of a driving assistance device 1 acquires from a determination unit 13 information on surroundings of a vehicle which is needed to perform autonomous driving, and acquires from a server device 2 environment information on surroundings of a route on which autonomous driving is performed. On the basis of the acquired environment information, the enhanced map information processing unit 14 extracts, as an autonomous driving unsuitable location Pn, a location at which the accuracy of the acquirement of the sensor unit 12 is predicted not to satisfy a standard for acquiring the information on the surroundings of the vehicle needed to perform autonomous driving. An informing unit 18 alerts the extracted autonomous driving unsuitable location Pn to a user.

Abstract: An enhanced map information processing unit 14 of a driving assistance device 1 acquires from a determination unit 13 information on surroundings of a vehicle which is needed to perform autonomous driving, and acquires from a server device 2 environment information on surroundings of a route on which autonomous driving is performed. On the basis of the acquired environment information, the enhanced map information processing unit 14 extracts, as an autonomous driving unsuitable location Pn, a location at which the accuracy of the acquirement of the sensor unit 12 is predicted not to satisfy a standard for acquiring the information on the surroundings of the vehicle needed to perform autonomous driving. An informing unit 18 alerts the extracted autonomous driving unsuitable location Pn to a user.

Abstract: An error detecting apparatus includes: a reading device obtaining an image read signal by reading a two-dimensional code pattern, which includes information blocks having information and boundary patterns, the information pattern including first/second pattern images (PIs) corresponding to first/second PIs, respectively, in each reading range corresponding to a size?a size of the information block. A reference point detecting device detects an intersection in the boundary pattern, as a block reference point (P, Q), from the image read signal; an extracting device extracts the first/second information data (ID), based on one portion of the first PIs and the second PIs belonging to an ID extraction area determined according to a position of the block reference point; an error detecting device detects whether any error in the extracted first/second ID based on another portion of the first/second PIs belonging to another area other than the ID extraction area.

Abstract: A two-dimensional code pattern includes: a boundary pattern in which each of pixels in a group are set into a turn-on state or a turn-off state; a rotation detection pattern in which each pixel belonging to a group in each block is set into the turn-on state or the turn-off state by a light emitting pattern which can detect a rotational angle upon reading of the block; and an information pattern in which both of each pixel belonging to a first quadrant region in the block and each pixel belonging to a third quadrant region are set into the turn-on state or the turn-off state according to first information data and both of each pixel belonging to a second quadrant region and each pixel belonging to a fourth quadrant region are set into the turn-on state or the turn-off state according to second information data.

Abstract: It is an object to provide a reading apparatus of an information code, a reading method, and a display reading system of the information code, in which even if symbol areas serving as references when sampling a photograph image signal obtained by photographing a display screen are not provided in the information code, information code data representing the information code can be obtained from the photograph image signal. When reading the information code displayed on a display apparatus, first, an image signal obtained when all pixel cells of the display apparatus have emitted light is extracted as a first image signal from the photograph image signal obtained by photographing the display screen of the display apparatus. Further, an image signal obtained for a period of time during which the information code is displayed is extracted as a second image signal from the photograph image signal.

Abstract: An object of the present invention is to provide a method and device for reading an information code in which an information code displayed on a display can be read without increasing the circuit size of the display device. To read the information code displayed on the display in a predetermined area during each frame display interval, a synchronization signal synchronized with each of the frame display intervals is generated based on noise emitted from the display, and the information code is restored from a captured image signal obtained by capturing a screen of the display as an image in accordance with the synchronization signal.

Abstract: An input system (1) comprise: a display (11) for displaying an image including coordinate information on the display surface; a plurality of indicators (12) having (i) a detecting means for detecting the image displayed on the display surface, and (ii) a transmitting means for transmitting transmission information generated according to the coordinate information contained in the detected image; and a controller (13) having (i) a receiving means for receiving the transmission information, (ii) a generating means for generating drawing information indicating the path along which each of the indicators moves on the display surface according to the transmission information, and (iii) a control means for controlling the display so as to perform the drawing processing corresponding to the drawing information generated by the generating means. The display displays an image by emitting a plurality of pulses and displays the coordinate information by using part of the pulses.

Abstract: An error detecting apparatus includes: a reading device obtaining an image read signal by reading a two-dimensional code pattern, which includes information blocks having information and boundary patterns, the information pattern including first/second pattern images (PIs) corresponding to first/second PIs, respectively, in each reading range corresponding to a size ? a size of the information block. A reference point detecting device detects an intersection in the boundary pattern, as a block reference point (P, Q), from the image read signal; an extracting device extracts the first/second information data (ID), based on one portion of the first PIs and the second PIs belonging to an ID extraction area determined according to a position of the block reference point; an error detecting device detects whether any error in the extracted first/second ID based on another portion of the first/second PIs belonging to another area other than the ID extraction area.

Abstract: An object is to provide a display method and device for displaying an information code, in which an information code can be displayed on a display without affecting the image being displayed. A one subfield among N subfields is used as a subfield for displaying an information code as a two-dimensional code, and the other subfields are used as subfields for displaying a primary image, in a process in which intermediate brightness is displayed using the N subfields for each unit display interval.

Abstract: It is an object to provide a two-dimensional code pattern which can be precisely read out at a high speed, a two-dimensional code pattern display device, and its reading device.

Abstract: A signal transmitting and receiving device and a signal transmitting and receiving method which can reduce power consumption in a terminal device in a standby state in an optical and electric communication system. The signal transmitting and receiving device is for transmitting and receiving an information signal through a predetermined transfer path between terminal devices each of which transmits and receives the information signal while controlling an operation thereof in a self-sustaining manner based on an internally-generated signal. The signal transmitting and receiving device includes: a signal relaying part for relaying the information signal between each of the terminal devices and the transfer path; a device-state detecting part for generating a state indication signal indicating a state of the terminal device based on the internally-generated signal; and a power controlling part for controlling power supply to the signal relaying part based on the state indication signal.

Abstract: A data transmission terminal apparatus and a data transmission method for maintaining a data transmission between the terminals irrespective of the state of a clock signal associated with a transmission data packet. The data transmission terminal apparatus multiplexes an image data signal and an other data signal to generate a data packet synchronized to a reference clock signal included in the image data signal, and relays the generated data packet to a transmission path.

Abstract: A video signal transmission system, wherein on the transmission side, digital video signals representing three primary colors is time-division-multiplexed for conversion into a video data train, a packet including the video data train and rate information for each period based on the period of the transmission clock signal, and the packet is sequentially transmitted in synchronism with a transmission clock signal as a transmission signal, while on the reception side, a reception clock signal is generated in synchronism with each bit of the transmission signal received through a cable, the rate information is detected from the packet in the transmission signal, a reproduction reference clock signal is generated, the video data train in the transmission signal is separated into data of each of three primary colors, and the separated data of each of three primary colors is output in synchronism with the reproduction reference clock signal as the digital video signal.

Abstract: A small sized digital Nyquist filter having a high processing speed is provided. A delay in a delay element in the digital Nyquist filter is synchronized with a symbol rate of an input signal, and filtering coefficients at respective taps in the filer are sequentially selected synchronously with a sampling clock in accordance with a predetermined procedure, thereby reducing the number of taps to 1/oversampling number.

Abstract: A small sized digital Nyquist filter having a high processing speed is provided. A delay in a delay element in the digital Nyquist filter is synchronized with a symbol rate of an input signal, and filtering coefficients at respective taps in the filer are sequentially selected synchronously with a sampling clock in accordance with a predetermined procedure, thereby reducing the number of taps to 1/oversampling number.