An image processing device includes: an HDR image generating unit configured to generate an HDR image signal by first high dynamic range combining of a first signal including first image data and a second signal including second image data a tone compressing unit configured to generate a first tone-compressed image signal to be displayed by performing tone compression processing on the HDR image signal generated by the HDR image generating unit and a color correcting unit configured to generate a second tone-compressed image signal by second high dynamic range combining of at least the first and second signals based on the first tone-compressed image signal.
