Method and device for projecting a panoramic image with a variable resolution
First Claim
Patent Images
1. A method for projecting a panoramic image comprising:
- generating an image for projection on an image generation surface,modifying the generated image, prior to projecting the generated image on a projection surface, to obtain a panoramic projected image having an angular resolution, seen from a particular observation point located outside a center of curvature of the projection surface, which is constant on the whole projection surface, the modification of the generated image being a function of at least one parameter of a set comprising the shape of the generated image on the image generation surface, the shape of the projection surface, and the position of the observation point in relation to the projection surface, andprojecting the modified generated image on the projection surface to obtain the panoramic projected image.
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Abstract
Embodiments include a method and apparatus for projecting a panoramic image, the method including steps of generating an image on an image generation surface, and then projecting the generated image on a projection surface to obtain a panoramic projected image, the points of the generated image being projected on the projection surface according to a non uniform distribution determined as a function of at least one parameter of a set comprising the shape of the generated image, the shape of the projection surface, and the position of an observation point of the projected image, in relation to the projection surface.
75 Citations
22 Claims
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1. A method for projecting a panoramic image comprising:
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generating an image for projection on an image generation surface, modifying the generated image, prior to projecting the generated image on a projection surface, to obtain a panoramic projected image having an angular resolution, seen from a particular observation point located outside a center of curvature of the projection surface, which is constant on the whole projection surface, the modification of the generated image being a function of at least one parameter of a set comprising the shape of the generated image on the image generation surface, the shape of the projection surface, and the position of the observation point in relation to the projection surface, and projecting the modified generated image on the projection surface to obtain the panoramic projected image. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A device for projecting a panoramic image, comprising:
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a device for generating an image on a plane image generation surface; and an optical projection device for projecting the generated image on a projection surface, to obtain a panoramic projected image, the projection device being configured so that an angular resolution of the panoramic image projected on the projection surface, seen from a particular observation point located outside a center of curvature of the projection surface, is constant on the whole projection surface, the optical projection device being configured as a function of at least one parameter of a set comprising the shape of the generated image on the image generation surface, the shape of the projection surface, and the position of the observation point in relation to the projection surface. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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Specification