Patent ID: 8311282

Claim:
An image processing apparatus comprising: a motion prediction processing unit detecting an inter-image motion between a standard image and a reference image; a motion compensation processing unit generating a motion-compensated image by moving the reference image so as to be aligned with the standard image in a pixel position using information regarding the inter-image motion detected by the motion prediction processing unit; an addition processing unit generating a noise-reduced image from which the noise of the standard image is reduced through an addition process of adding the standard image and the motion-compensated image; and an addition determination unit calculating an addition weight of the motion-compensated image, which is applied to the addition process performed between the standard image and the motion-compensated image by the addition processing unit, by a pixel unit, wherein the addition determination unit includes a first motion region detection unit calculating a motion region determination value indicating a region including a moving subject by a region unit forming the standard image based on pixel difference information between the standard image and the motion-compensated image, a second motion region detection unit calculating a motion region determination value of the region unit by applying difference information between a local motion vector (LMV) which is motion information of the region unit and a global motion vector (GMV) which is motion information of an entire image, a control map generation unit selecting and outputting one of two motion region determination values output from the first motion region detection information and the second motion region detection information depending on a combination of the motion region determination values, a noise determination table generation unit generating or correcting a noise determination table in which an estimated noise amount corresponding to a pixel value is defined according to motion region determination information of a region unit output from the control map generation unit, and an addition determination processing execution unit determining the addition weight according to the noise amount of a pixel unit estimated based on the noise determination table generated by the noise determination table generation unit.