An image-capturing apparatus includes a focus lens that forms an object image of the object, an image sensor that produces image data by capturing the object image, and a controller that controls the focus lens. The focus lens has a focal position. The controller is operable to detect a change of a
An image-capturing apparatus includes a focus lens that forms an object image of the object, an image sensor that produces image data by capturing the object image, and a controller that controls the focus lens. The focus lens has a focal position. The controller is operable to detect a change of a distance from the image-capturing apparatus to the object during a first exposure period based on image data produced by capturing the object image with the image sensor during the first exposure period. The controller is operable to determine, based on the detected change in the distance, a control amount which controls a moving velocity at which the focal position moves during a second exposure period after the first exposure period. The controller is operable to move the focal position at a moving velocity corresponding to the determined control amount, and cause the image sensor to capture the object image during the second exposure period.
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1. An image-capturing apparatus that captures an image of an object, the image-capturing apparatus comprising: a focus lens that forms an object image of the object, the focus lens having a focal position;an image sensor that produces image data by capturing the object image; anda controller that co
1. An image-capturing apparatus that captures an image of an object, the image-capturing apparatus comprising: a focus lens that forms an object image of the object, the focus lens having a focal position;an image sensor that produces image data by capturing the object image; anda controller that controls the focus lens,wherein the controller is operable to detect a change of a distance from the image-capturing apparatus to the object during a first exposure period based on image data produced by capturing the object image with the image sensor during the first exposure period,determine, based on the detected change of the distance, a control amount which controls a moving velocity at which the focal position moves during a second exposure period after the first exposure period, andmove the focal position at a moving velocity corresponding to the determined control amount during the second exposure period, and cause the image sensor to capture the object image during the second exposure period while the focal position is moving at the moving velocity. 2. The image-capturing apparatus according to claim 1, wherein the control amount is a lens moving velocity at which the focus lens moves, andwherein the controller is operable to move the focus lens at the lens moving velocity during the second exposure period so as to move the focal position. 3. The image-capturing apparatus according to claim 2, wherein the lens moving velocity includes a moving amount and a moving direction of the focus lens. 4. The image-capturing apparatus according to claim 1, wherein the controller is operable to record, in a recording medium, photographic data based on image data produced by capturing the object image with the image sensor during the second exposure period. 5. The image-capturing apparatus according to claim 1, further comprising an image processor that produces distance data corresponding to the distance repetitively at predetermined intervals,wherein the controller is operable to detect the change of the distance to the object based on the distance data produced repetitively at the predetermined intervals. 6. The image-capturing apparatus according to claim 5, wherein the controller is operable to cause the image sensor to produce first image data and second image data by capturing the object image when the focus lens is located at a first position and a second position, respectively, andwherein the image processor is operable to produce the distance data based on the first image data and the second image data. 7. The image-capturing apparatus according to claim 6, wherein the image processor is operable to calculate a defocusing amount based on the first image data and the second image data, and produce the distance data based on the calculated defocusing amount. 8. An image-capturing apparatus that captures an image of an object, the image-capturing apparatus comprising: a focus lens that forms an object image of the object, the focus lens having a focal position;an image sensor that produces image data by capturing the object image; anda controller that controls the focus lens,wherein the controller is operable to determine, based on image data produced by capturing the object image with the image sensor during the first exposure period, a control amount, for the focus lens during a second exposure period after the first exposure period, which controls a moving velocity of the focal position, andmove the focal position at a moving velocity corresponding to the determined control amount during the second exposure period, and cause the image sensor to capture the object image during the second exposure period while the focal position is moving at the moving velocity. 9. The image-capturing apparatus according to claim 8, wherein the control amount is a lens moving velocity at which the focus lens moves, andwherein the controller is operable to move the focus lens at the lens moving velocity during the second exposure period so as to move the focal position. 10. The image-capturing apparatus according to claim 9, wherein the lens moving velocity includes a moving amount and a moving direction of the focus lens. 11. The image-capturing apparatus according to claim 8, wherein the controller is operable to record, in a recording medium, photographic data based on image data produced by capturing the object image with the image sensor during the second exposure period.
Subbarao Muralidhara (Port Jefferson Station NY), Method and apparatus for determining the distances between surface-patches of a three-dimensional spatial scene and a ca.
Takahashi, Takahiro, Image processing apparatus, image processing method, image processing program, and image pickup apparatus acquiring a focusing distance from a plurality of images.
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