A pedestrian behavior predicting device comprising: a pedestrian detecting means configured to detect a pedestrian from an image and extract a partial image including the pedestrian; a movement change detecting means configured to detect change in movement of the pedestrian by calculating information of the pedestrian acquired from the partial image extracted by the pedestrian detecting means and comparing the information of a predetermined time before and the current information using stored information, wherein the information includes at least one of a luminance of the partial image, an edge of the partial image or a color of the partial image; a discontinuous movement estimating means configured to acquire from a storage means at the time the change in the movement of the pedestrian is detected by the movement change detecting means discontinuous movement estimating information indicating a movement of the pedestrian that occurs following the change in the movement of the pedestrian wherein the discontinuous movement estimating information includes at least one of the moving direction or the moving speed of the pedestrian, wherein the pedestrian behaviour predicting device corresponds image data, at a time point when a change in movement of the pedestrian is detected, to a vector indicating the moving direction and the moving speed representing the discontinuous movement taken by the pedestrian after the change in the movement of the pedestrian, and stores it in the storage means in advance as the discontinuous movement estimating information, and wherein when the change in the movement of the pedestrian is detected, the discontinuous movement estimating means searches by pattern matching the image data stored in the storage means in advance corresponding to the image data at the time point the change in the movement of the pedestrian is detected, and wherein the discontinuous movement estimating unit acquires the discontinuous movement estimating information corresponded in advance with the searched image data from the storage means; and a behavior predicting means configured to predict a behavior of the pedestrian using the discontinuous movement estimating information acquired by the discontinuous movement estimating means. a pedestrian detecting means configured to detect a pedestrian from an image and extract a partial image including the pedestrian; a movement change detecting means configured to detect change in movement of the pedestrian by calculating information of the pedestrian acquired from the partial image extracted by the pedestrian detecting means and comparing the information of a predetermined time before and the current information using stored information, wherein the information includes at least one of a luminance of the partial image, an edge of the partial image or a color of the partial image; a discontinuous movement estimating means configured to acquire from a storage means at the time the change in the movement of the pedestrian is detected by the movement change detecting means discontinuous movement estimating information indicating a movement of the pedestrian that occurs following the change in the movement of the pedestrian wherein the discontinuous movement estimating information includes at least one of the moving direction or the moving speed of the pedestrian, wherein the pedestrian behaviour predicting device corresponds image data, at a time point when a change in movement of the pedestrian is detected, to a vector indicating the moving direction and the moving speed representing the discontinuous movement taken by the pedestrian after the change in the movement of the pedestrian, and stores it in the storage means in advance as the discontinuous movement estimating information, and wherein when the change in the movement of the pedestrian is detected, the discontinuous movement estimating means searches by pattern matching the image data stored in the storage means in advance corresponding to the image data at the time point the change in the movement of the pedestrian is detected, and wherein the discontinuous movement estimating unit acquires the discontinuous movement estimating information corresponded in advance with the searched image data from the storage means; and a behavior predicting means configured to predict a behavior of the pedestrian using the discontinuous movement estimating information acquired by the discontinuous movement estimating means.