Patent ID: 9684823
Date: 2017-06-20
CPC Classifications: G06K,G06T

Claim:
1. A moving body position estimating device, comprising: a memory; and processing circuitry configured to: acquire information including first data and second data, the first data relating to a first image, the second data relating to a second image, the second image including a difference from the first image accompanying a movement of a moving body, the first image including a first region and a second region; estimate, based on the information, a direction of a rotation accompanying the movement; and detect, based on the direction of the rotation, a plurality of first feature points inside the first region and a plurality of second feature points inside the second region, a first density of the first feature points inside the first region being higher than a second density of the second feature points inside the second region, wherein the direction of the rotation is a first direction, and a second direction from the second region toward the first region has a component in a reverse direction of the first direction.