NETWORK CAMERA AND CONTROL METHOD THEREOF
First Claim
1. A network camera comprising:
- a camera configured to photograph an image, the camera being movable within a predetermined range;
a memory configured to store positional information for a predetermined zone, which predetermined zone is to be excluded from a display of the image; and
a controller configured to control the camera to move within the range and to acquire a series of images from the camera at regular intervals,and to perform a masking operation, upon a determination that the predetermined zone is within a present image, to mask an image area, the image area including both the image of the predetermined zone acquired at a present time and the image of the predetermined zone acquired at one interval prior to the present time.
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Accused Products
Abstract
The network camera of the present invention is connected to a terminal apparatus, and includes a camera and a memory. The camera photographs an image and is movable within a predetermined photographing range. The memory stores predetermined positional information indicating a position of the predetermined object. It is prohibited to display the image of the predetermined object on the terminal apparatus. The network camera has a controller that controls the camera to move within the photographable range to acquire a series of images from the camera at predetermined time periods. The controller, when acquiring the image including the predetermined object based on the predetermined positional information, performs a masking process operation with respect to a predetermined image area that includes both the image of the predetermined object acquired at a present time period and the image of the predetermined object acquired at one time period previous to the present time period.
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Citations
9 Claims
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1. A network camera comprising:
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a camera configured to photograph an image, the camera being movable within a predetermined range; a memory configured to store positional information for a predetermined zone, which predetermined zone is to be excluded from a display of the image; and a controller configured to control the camera to move within the range and to acquire a series of images from the camera at regular intervals, and to perform a masking operation, upon a determination that the predetermined zone is within a present image, to mask an image area, the image area including both the image of the predetermined zone acquired at a present time and the image of the predetermined zone acquired at one interval prior to the present time. - View Dependent Claims (2, 3, 4)
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5. The network camera according to claim 1 further comprising an interface configured to provide a connection to a terminal apparatus.
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6. The network camera according to claim 1, wherein the controller is configured to overlap both the image of the predetermined zone acquired at a present time and the image of the predetermined zone acquired at one interval prior to the present time and to perform the masking operation with respect to the overlapped images.
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7. The network camera according to claim 1, wherein the memory is configured to store first positional information of the image of the predetermined zone acquired at one interval prior to the present time, and the controller is configured to form a single mask by overlapping the first positional information stored in the memory and second positional information of the image of the predetermined zone acquired at the present time and to perform the masking operation using the single mask.
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8. The network camera according to claim 1, wherein the controller is configured to form first masking data based on first positional information regarding the image of the predetermined zone acquired at one interval prior to the present time and to store the first masking data in the memory, and
the controller is configured to form second masking data based on second positional information regarding the image of the predetermined zone acquired at the present time, and to perform the masking operation using the second masking data and the first masking data stored in the memory.
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9. A method for controlling a network camera, the network camera having a camera and a memory, the camera being operable to photograph an image and being movable within a predetermined range, the memory being operable to store positional information of a predetermined zone, which predetermined zone is to be excluded from a display of an image, the method comprising:
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controlling the camera to move within the range; acquiring a series of images from the camera at regular intervals; and performing a masking operation, upon a determination that the predetermined zone is within a present image, to mask an image area, the image area including both the image of the predetermined zone acquired at a present time and the image of the predetermined zone acquired at one interval prior to the present time period.
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Specification