IMAGE PROCESSING DEVICE AND METHOD, AND PROGRAM

There is provided an image processing device, an image processing method, and a program for enabling obtainment of a prediction pixel in an easier and more prompt manner a lower cost. The image processing device includes a prediction unit configured to generate, in a case of generating a prediction pixel of a current block of an image to be processed by intra prediction, in a case where a pixel in a previous block previous to the current block in a processing order is an adjacent pixel to be used for generating the prediction pixel, the prediction pixel using a pixel value of another adjacent pixel in another block different from the previous block as a pixel value of the adjacent pixel in the previous block. The present technology can be applied to an encoding device and a decoding device.