Computer-generated hologram

A computer-generated hologram, the hologram separating a viewing side and a side opposite to the viewing side, the hologram comprising:

• a plurality of cells,
• the hologram having information recorded therein, said information operable to recreate a stereoscopic image of an object,
• the hologram being operable to receive reconstruction illumination light such that diffraction light is reconstructed,
• the diffraction light diverging from a plurality of virtual point light sources on the side of the hologram that is opposite to the viewing side;
• a luminance of the diffraction light from each virtual point being equal to a luminance of light from a corresponding point S on the object said luminance being measured in the hologram plane,
• the plurality of virtual point light sources being at a position away from the hologram plane and independently from the object.

A computer-generated hologram, the hologram separating a viewing side and a side opposite to the viewing side, the hologram comprising:

• a plurality of cells,
• the hologram having information recorded therein, said information operable to recreate a stereoscopic image of an object,
• the hologram being operable to receive reconstruction illumination light such that diffraction light is reconstructed,
• the diffraction light converging on a plurality of virtual condensing points on the viewing side of the hologram;
• a luminance from each virtual point of the diffraction light being equal to a luminance of light from a corresponding point S on the object, the luminance being measured in the plane of the hologram
• the virtual condensing points being at a position away from the hologram plane and independently from the object.

A computer-generated hologram, the hologram separating a viewing side and a side opposite to the viewing side, the hologram comprising:

• a plurality of cells,
• the hologram having information recorded therein, said information operable to recreate a stereoscopic image of an object,
• the hologram being operable to receive reconstruction illumination light such that diffraction light is reconstructed,
• the diffraction light diverging from a plurality of virtual point light sources on the viewing side of the hologram;
• a luminance [TWLci(θxy, θyz)] of the diffraction light from each of the virtual points being equal to a luminance of light from a corresponding point S on the object, the luminance being measured in the plane of the hologram,
• the plurality of virtual point light sources being at a position away from the hologram plane and independently from the object.

A method of generating a hologram capable of recreating a stereoscopic image of an object, the hologram separating a viewing side and a side opposite to the viewing side, the method comprising:

• creating a plurality of cells on the hologram, one of said plurality of cells being Pj;
• designating a plurality of virtual point light sources such that one of said plurality of virtual point light sources Qi corresponds to a point S on the object, the point S being on a straight line between Qi and Pj;
• generating a luminance of Qi such that the luminance corresponds to a luminance of S;
• and
• recording an information in the cell Pj corresponding to the luminance
• the plurality of virtual point light sources being at a position away from the hologram plane and independently from the object.

A method of generating a hologram capable of recreating a stereoscopic image of an object, the hologram separating a viewing side and a side opposite to the viewing side, the method comprising:

• designating a plurality of virtual point light sources on a side of the hologram opposite to a viewing side;
• producing diffraction light diverging from the plurality of virtual point light sources, the luminance of the diffraction light from each of the virtual points being equal to a luminance of light from a corresponding point S on the object, the luminance being measured in the plane of the hologram;
• and
• recording information on the hologram to recreate a stereoscopic image of the objects,
• the plurality of virtual point light sources being at a position away from the hologram plane and independently from the object.

A method of generating a hologram capable of recreating a stereoscopic image of an object, the hologram having a viewing side and a side opposite to the viewing side, the method comprising:

• designating a plurality of condensing points of light on a viewing side of the hologram;
• producing diffraction light converging on the plurality of condensing points, the luminance of the diffraction light from each of a plurality virtual points being equal to a luminance of light from a corresponding point S on the object, the luminance being measured on the plane of the hologram;
• and
• recording information on the hologram to recreate a stereoscopic image of the object
• the virtual condensing points being at a position away from the hologram plane and independently from the object.