| abstract |
An embodiment of the present invention provides a graph image generator that acquires raw data of polysomnography measured in time series, and converts the polysomnia data into a graph with respect to time to generate a graph image, the graph It provides a polysomnography apparatus including a learning unit for learning a sleep state reading model based on an image, and a reading unit for reading a user's sleep state based on the graph image and the sleep state reading model. |