Abstract: A vehicle system includes: a map processing unit that creates local map data based on high accuracy map data and a position of an own vehicle; and an autonomous driving control unit that creates a travel plan for autonomous traveling of the own vehicle based on the local map data and controls traveling of the own vehicle according to the travel plan. The map processing unit creates multiple pieces of transmission data by dividing the local map data so as to correspond to regions on a map and transmits the multiple pieces of transmission data to the autonomous driving control unit. The map processing unit changes a shape and a size of the region on the map corresponding to each piece of transmission data based on selection information which decides a travel mode.

Abstract: A data compression method is used for compressing data indicating a gradient of a route. The data compression method includes: acquiring a gradient table that shows gradient values in respective sections arranged between a starting point of the route and an ending point thereof, the sections including one section and an adjacent section adjacent to the one section: ranking the gradient values; and in a case where the gradient value of the one section and the gradient value of the adjacent section are in a same rank, integrating the gradient value of the one section and the gradient value of the adjacent section and generating a compressed gradient table that shows a distance and a corresponding rank of the section having the same rank.

Abstract: A wireless roadside device that performs roadside-to-vehicle communication with an in-vehicle communication device in a traffic communication system includes a roadside-to-vehicle communicator that transmits, with a predetermined cycle, a first roadside-to-vehicle message having a predetermined format, and a controller that generates a second roadside-to-vehicle message related to presence or absence of a danger in traffic based on an output of a roadside sensor. The roadside-to-vehicle communicator transmits the second roadside-to-vehicle message with a short cycle shorter than the predetermined cycle.

Abstract: A holding instrument includes a holding portion that holds a measurement apparatus. The measurement apparatus includes a gyro sensor that detects change in a measured part of a user and a controller that performs a process of measuring biological information of the user based on output of the gyro sensor. The holding instrument is embraced by the user during use while the holding portion is holding the measurement apparatus.

Abstract: A holding instrument includes a holding portion that holds a measurement apparatus. The measurement apparatus includes a gyro sensor that detects change in a measured part of a user and a controller that performs a process of measuring biological information of the user based on output of the gyro sensor. The holding instrument is embraced by the user during use while the holding portion is holding the measurement apparatus.

Abstract: A mobile terminal apparatus capable of reducing inconvenience, a program, and a biological information measurement system are provided. A mobile terminal apparatus includes a gyro sensor configured to detect a motion factor and a controller configured to perform measurement operation of biological information of a user on the basis of the motion factor detected due to a movement of the user. The controller starts or stops the measurement processing on the basis of the motion factor.