An imaging system , comprising: a first polarization element having a first polarization direction; a second polarization element having a second polarization direction, wherein the second polarization direction is different from the first polarization direction; a third polarization element , wherein a first area of the third polarization element consists of a first semi-area and a second semi-area , wherein the first semi-area of the first area has the first polarization direction, and the second semi-area of the first area has the second polarization direction; a first projection device , projecting a first image onto the first area by using the first polarization element; and a second projection device , projecting a second image onto the first area by using the second polarization element, wherein the first image is obtained through acquiring according to a first view of a first object, the second image is obtained through acquiring according to a second view of the first object, and the first view is different from the second view; characterized in that : the third polarization element further comprises a second area adjacent to the first area, wherein a first semi-area of the second area has the first polarization direction, and a second semi-area of the second area has the second polarization direction, wherein the first semi-area of the second area is adjacent to the first semi-area of the first area, or the second semi-area of the second area is adjacent to the second semi-area of the first area; the first projection device further projects a third image onto the second area by using the first polarization element; and the second projection device further projects a fourth image onto the second area by using the second polarization element, wherein the third image is acquired according to a third view of a second object, the fourth image is acquired according to a fourth view of the second object, and the third view is different from the fourth view. a first polarization element having a first polarization direction; a second polarization element having a second polarization direction, wherein the second polarization direction is different from the first polarization direction; a third polarization element , wherein a first area of the third polarization element consists of a first semi-area and a second semi-area , wherein the first semi-area of the first area has the first polarization direction, and the second semi-area of the first area has the second polarization direction; a first projection device , projecting a first image onto the first area by using the first polarization element; and a second projection device , projecting a second image onto the first area by using the second polarization element, wherein the first image is obtained through acquiring according to a first view of a first object, the second image is obtained through acquiring according to a second view of the first object, and the first view is different from the second view; the third polarization element further comprises a second area adjacent to the first area, wherein a first semi-area of the second area has the first polarization direction, and a second semi-area of the second area has the second polarization direction, wherein the first semi-area of the second area is adjacent to the first semi-area of the first area, or the second semi-area of the second area is adjacent to the second semi-area of the first area; the first projection device further projects a third image onto the second area by using the first polarization element; and the second projection device further projects a fourth image onto the second area by using the second polarization element, wherein the third image is acquired according to a third view of a second object, the fourth image is acquired according to a fourth view of the second object, and the third view is different from the fourth view. <EOS>