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US 8,007,111 B2Granted
Projector having image pickup unit, distance measuring unit, image signal processing unit, and projection unit and projection display method
AssigneeSeiko Epson Corporation
InventorKiyoto Kojima
Life of this patent
Estimating the term…
Abstract
A projector includes: an image pickup unit which obtains an image of a subject; an image signal processing unit which cuts an image corresponding to a projection display area of the subject contained in an image obtained by the image pickup unit, and processes an image signal such that the cut image has a predetermined size to produce a projection image signal; and a projection unit which produces an image according to the image signal produced by the image signal processing unit and projects the image.
Claims5
A projector comprising:
- an image pickup unit which obtains an image of a subject having a projection display area;
- a distance measuring unit which measures a distance to the subject:
- an image signal processing unit which:
- cuts a projection display image corresponding to the projection display area of the subject contained in the image of the subject obtained by the image pickup unit to produce a cut image signal,
- produces a size image signal showing the size of at least a portion of the subject based on the measured distance to the subject,
- combines the cut image signal and the size image signal into a combined image signal such that the size image signal is superimposed on the cut image signal in the combined image signal, and
- processes the combined image signal such that the combined image has a predetermined size to produce a projection image signal;
- and
- a projection unit which produces an image according to the projection image signal produced by the image signal processing unit and projects the image.
6 more elements
A projector, comprising:
- a distance measuring unit which measures a distance to a subject:
- an image signal processing unit which:
- inputs an image signal of the subject having a projection display area,
- cuts a projection display image corresponding to the projection display area of the subject contained in an image of the subject corresponding to the image signal to produce a cut image signal,
- produces a size image signal showing the size of at least a portion of the subject based on the measured distance to the subject,
- combines the cut image signal and the size image signal into a combined image signal such that the size image signal is superimposed on the cut image signal in the combined image signal,
- processes the combined image signal such that the combined image has a predetermined size, and
- produces a projection image signal;
- and
- a projection unit which produces an image based on the projection image signal produced by the image signal processing unit, and projects the image thus produced.
7 more elements
A projection display method comprising:
- obtaining, by an image pickup unit, an image of a subject having a projection display area;
- measuring, by a distance measuring unit, a distance to the subject;
- cutting a projection display image corresponding to the projection display area of the subject contained in the image of the subject obtained by the image pickup unit to produce a cut image signal;
- producing a size image signal showing the size of at least a portion of the subject based on the measured distance to the subject;
- combining the cut image signal and the size image signal into a combined image signal such that the size image signal is superimposed on the cut image signal in the combined image signal;
- processing the combined image signal such that the combined image has a predetermined size;
- producing a projection image signal;
- producing an image based on the projection image signal;
- and
- projecting the image on a screen.
7 more elements
Dependencies are inferred from the claim text.