A multi-view 3D image display device comprising: an image display panel configured to display a 3D image, wherein the image display panel is configured to display a 3D image by using a parallax barrier or lenticular lens that is a parallax separation means, or a line light source; a control portion configured to control a viewpoint image of each of a set of 3D pixel lines, a 3D pixel line being formed by the combination of an aperture of a parallax barrier, a lenticular lens, or a line light source, and pixels on the image display panel for providing viewpoint images; and a viewer eye pupil position tracking system, adapted to determine three dimensional coordinate values of positions of a viewer's eye pupils, wherein the 3D pixel line provides multiple, at least four, viewpoints, and the control portion is configured to: select a first viewpoint and a second viewpoint that are close to a viewer's eye pupils for each 3D pixel line by using three dimensional coordinate values of positions of the viewer's eye pupils determined by the viewer eye pupil position tracking system, provide a viewpoint image for one of the viewer's eyes to the first viewpoint, and provide a viewpoint image for another of the viewer's eyes to the second viewpoint, provide a viewpoint image of the first viewpoint to one or more further viewpoints adjacent to the first viewpoint to form a first integrated viewpoint and provide a viewpoint image of the second viewpoint to one or more further viewpoints adjacent to the second viewpoint to form a second integrated viewpoint and when the viewer moves in the depth direction, change the number of viewpoints constituting each of the first integrated viewpoint and the second integrated viewpoint such that a width of an integrated viewing zone of each of the first integrated viewpoint and the second integrated viewpoint is kept constant. an image display panel configured to display a 3D image, wherein the image display panel is configured to display a 3D image by using a parallax barrier or lenticular lens that is a parallax separation means, or a line light source; a control portion configured to control a viewpoint image of each of a set of 3D pixel lines, a 3D pixel line being formed by the combination of an aperture of a parallax barrier, a lenticular lens, or a line light source, and pixels on the image display panel for providing viewpoint images; and an aperture of a parallax barrier, a lenticular lens, or a line light source, and pixels on the image display panel for providing viewpoint images; and a viewer eye pupil position tracking system, adapted to determine three dimensional coordinate values of positions of a viewer's eye pupils, wherein the 3D pixel line provides multiple, at least four, viewpoints, and the control portion is configured to: select a first viewpoint and a second viewpoint that are close to a viewer's eye pupils for each 3D pixel line by using three dimensional coordinate values of positions of the viewer's eye pupils determined by the viewer eye pupil position tracking system, provide a viewpoint image for one of the viewer's eyes to the first viewpoint, and provide a viewpoint image for another of the viewer's eyes to the second viewpoint, provide a viewpoint image of the first viewpoint to one or more further viewpoints adjacent to the first viewpoint to form a first integrated viewpoint and provide a viewpoint image of the second viewpoint to one or more further viewpoints adjacent to the second viewpoint to form a second integrated viewpoint and when the viewer moves in the depth direction, change the number of viewpoints constituting each of the first integrated viewpoint and the second integrated viewpoint such that a width of an integrated viewing zone of each of the first integrated viewpoint and the second integrated viewpoint is kept constant. select a first viewpoint and a second viewpoint that are close to a viewer's eye pupils for each 3D pixel line by using three dimensional coordinate values of positions of the viewer's eye pupils determined by the viewer eye pupil position tracking system, provide a viewpoint image for one of the viewer's eyes to the first viewpoint, and provide a viewpoint image for another of the viewer's eyes to the second viewpoint, provide a viewpoint image of the first viewpoint to one or more further viewpoints adjacent to the first viewpoint to form a first integrated viewpoint and provide a viewpoint image of the second viewpoint to one or more further viewpoints adjacent to the second viewpoint to form a second integrated viewpoint and when the viewer moves in the depth direction, change the number of viewpoints constituting each of the first integrated viewpoint and the second integrated viewpoint such that a width of an integrated viewing zone of each of the first integrated viewpoint and the second integrated viewpoint is kept constant.