An image processing device comprising image acquisition means configured to acquire a first image and a second image with a parallax, which are taken as a stereoscopic image, the image processing device comprising; parallax calculation means configured to detect corresponding pixels in the first image and the second image and to calculate a parallax indicating a shift amount of a corresponding pixels in the first image and the second image; the image processing device is characterized by comprising: filter coefficient decision means configured to decide filter coefficients for a filter to perform edge emphasis or edge correction and parallax correction at the same time by a filter processing with respect to a target pixel of the first image and the second image which is a subject of the filter processing, and to decide the filter coefficients for the filter (FL, FR) for the target pixel based on the parallax calculated by the parallax calculation means such that all the filter coefficients for the edge emphasis or the edge correction shift in a same direction in a kernel of an image processing target pixel according to a shift direction of the parallax, and a value of a filter coefficient at a centre among the filter coefficients shifts from a centre of the kernel; and image processing means configured to correct a parallax and at the same time perform the edge emphasis or edge correction by performing the filter processing using the filter coefficients decided by the filter coefficient decision means for the first image and the second image acquired by the image acquisition means, wherein the filter coefficient decision means is configured to decide at least one of filter coefficients that reduce the degree of the edge emphasis or the edge correction as the parallax increases and filter coefficients that widen the frequency band of the filter coefficients as the parallax increases. filter coefficient decision means configured to decide filter coefficients for a filter to perform edge emphasis or edge correction and parallax correction at the same time by a filter processing with respect to a target pixel of the first image and the second image which is a subject of the filter processing, and to decide the filter coefficients for the filter (FL, FR) for the target pixel based on the parallax calculated by the parallax calculation means such that all the filter coefficients for the edge emphasis or the edge correction shift in a same direction in a kernel of an image processing target pixel according to a shift direction of the parallax, and a value of a filter coefficient at a centre among the filter coefficients shifts from a centre of the kernel; and image processing means configured to correct a parallax and at the same time perform the edge emphasis or edge correction by performing the filter processing using the filter coefficients decided by the filter coefficient decision means for the first image and the second image acquired by the image acquisition means, wherein the filter coefficient decision means is configured to decide at least one of filter coefficients that reduce the degree of the edge emphasis or the edge correction as the parallax increases and filter coefficients that widen the frequency band of the filter coefficients as the parallax increases.