PROJECTOR
1 Assignment
0 Petitions
Accused Products
Abstract
A projector includes: an image forming unit that forms a projection image; a detection unit that detects a condition at a projection surface onto which the projection image is projected; a correction unit that corrects a source image based upon the condition at the projection surface to obtain the projection image; and a projection unit that projects the projection image.
-
Citations
32 Claims
-
1. (canceled)
-
2. A projector, comprising:
-
a projection unit that projects a projection image; a detection unit that detects a condition at a projection surface by using a photographic image of the projection surface upon which a specific projection image is projected via the projection unit; a decision-making unit that makes a decision based upon the condition at the projection surface as to whether or not the projection surface is suitable for projection; and a decision-making result reporting unit that reports results of the decision made by the decision-making unit to a user. - View Dependent Claims (4, 5, 6)
-
-
3. (canceled)
-
7. A projector, comprising:
-
a correction unit that corrects a projection image based upon a photographic image obtained by photographing a projection surface onto which a specific projection image is projected; a projection unit that projects the projection image having been corrected by the correction unit; a detection unit that detects, based upon the photographic image, a low-brightness area or a high chroma area at the projection surface; and a reporting unit that reports to a user the low-brightness area or the high chroma area at the projection surface having been detected. - View Dependent Claims (11)
-
-
8. A projector, comprising:
-
a correction unit that corrects a projection image based upon a photographic image obtained by photographing a projection surface onto which a specific projection image is projected; a projection unit that projects the projection image having been corrected by the correction unit; a detection unit that detects, based upon the photographic image, a low-brightness area or a high chroma area at the projection surface; and a control unit that controls a size of the projection image projected onto the projection surface so as to ensure that the projection image is not superimposed over the low-brightness area or the high chroma area at the projection surface having been detected. - View Dependent Claims (10, 29)
-
-
9. A projector, comprising:
-
a correction unit that corrects a projection image based upon a photographic image obtained by photographing a projection surface onto which a specific projection image is projected; a projection unit that projects the projection image having been corrected by the correction unit; a detection unit that detects, based upon the photographic image, a low-brightness area or a high chroma area at the projection surface; and a control unit that controls a projection position and a size of the projection image projected onto the projection surface so as to ensure that the projection image is not superimposed over the low-brightness area or the high chroma area at the projection surface having been detected. - View Dependent Claims (28)
-
-
12-27. -27. (canceled)
-
30. A projector, comprising:
-
a projection unit that projects a projection image; a detection unit that detects a condition at a projection surface by using a photographic image of the projection surface upon which a specific projection image is projected via the projection unit; a decision-making unit that makes a decision based upon the condition at the projection surface as to whether or not the projection surface is suitable for projection; and a decision-making result reporting unit that reports results of the decision made by the decision-making unit to a user, wherein; the decision-making unit extracts pixels indicating brightness values smaller than a predetermined value, among pixels constituting the photographic image, and determines that the projection surface is suitable for projection if a ratio of the extracted pixels to the pixels constituting the photographic image is less than a predetermined ratio. - View Dependent Claims (31, 32)
-
Specification