Image processing apparatus, image processing method, image processing integrated circuit, a video reproducing device

Image processing apparatus acquires the viewing environment information indicating the viewer's viewing environment are watching a video. Viewing environment information includes information of the display size of the video being viewed, the brightness information of the periphery of the display apparatus displaying a video image, and the distance information between the viewer and the display device. Image processing apparatus, the basic reduction amount for reducing the motion amount of the video being played, by correcting based on the information shown in the viewing environment information, processing the image with a reduced amount after correction. If the display size is large, in a dark environment, when the position of the viewer is close to the display device, so reducing the amount suppresses the movement increases.