PICTURE ANALYSIS METHOD, IMAGE ANALYSIS DEVICE, PICTURE ANALYSIS SYSTEM AND PORTABLE IMAGE ANALYSIS DEVICE

摘要

An image analysis apparatus (5) for analyzing image data obtained in a time series is provided, the image analysis apparatus (5) comprising: a feature number calculation unit (7) for calculating feature number time series data including a time series Indicating a change in a feature number, from the color information about each pixel of each of the image data, and storing the feature number time series data in a feature number time series database (11); and a variation cycle calculation unit (8) for extracting the feature number time series data from the feature number time series database (11) and calculating a variation cycle of the image data from the feature number time series data.