PROJECTION PICTURE DISPLAY DEVICE, PROJECTION PICTURE DISPLAY METHOD, AND OPERATION DETECTION DEVICE

摘要

The present invention provides a projection picture display device capable of identifying an operating user and switching processing contents in accordance with the user. The projection picture display device is provided with: an image-capturing unit (102) that captures an image of a picture projection area on a projection surface; an operation detection unit (105) that detects the content of an operation performed by the user with respect to picture display on the basis of the image captured by the image-capturing unit; a user identification unit (107) that identifies the user who performed the operation on the basis of the image captured by the image-capturing unit; a picture processing unit (154) that processes a picture, to be displayed on the projection surface, in accordance with the content of the operation by the user and a user identification result; and a picture projection unit (153) that projects the picture processed by the picture processing unit onto the projection surface.