ON-VEHICLE IMAGE RECORDING APPARATUS, ON-VEHICLE IMAGE RECORDING METHOD, AND ON-VEHICLE IMAGE RECORDING PROGRAM

摘要

A driving recorder includes: an image data acquisition unit; an extraction unit; a determination unit; and a writing controller. The writing controller configured to write, when the determination unit has determined that a change in the other vehicle does not coincide with a predetermined reference change, the image data into a memory by a ring buffer form, and write, when the determination unit has determined that the change coincides with the predetermined reference change, the image data for a predetermined period of time including the plurality of pieces of image data regarding which the determination has been made in such a way that the image data is not overwritten by other data.