IN-TRAIN INFORMATION DISPLAY APPARATUS, IN-TRAIN INFORMATION DISPLAY SYSTEM, AND ADVERTISEMENT DISPLAY RESULT DETERMINING METHOD

The present invention is an in-train information display apparatus that displays advertisement content to a passenger. The in-train information display apparatus includes a display unit configured to display the advertisement content, a display monitoring unit configured to photograph a video screen which is displayed on the display unit and actually seen from the passenger, and a display-result determining unit configured to calculate color-related information, which is information concerning a color of the video screen, based on an image photographed by the display monitoring unit and determine, based on the calculated color-related information and reference information for display result determination, which is information concerning a color of the advertisement content normally displayed on the display unit, whether the display of the advertisement content has been normally performed.