Pan/tilt/zoom surveillance system and method for dynamically adjusting a user defined image picture mask
First Claim
1. A surveillance camera apparatus having an image-pickup unit and a signal processing unit for processing an image-pickup signal, and sending out an image-sensed picture, and being mountable onto a rotary base, said image-pickup unit locating therein an image-sensor and an optical lens, said surveillance camera apparatus, comprising:
- a first storage unit for storing a size of pixels configuring said image-sensor,computation means for performing a computation using first information, second information, third information, and fourth information so as to calculate angle information on a plurality of vertex-points that form a region to be masked, said information stored in said first storage unit being defined as said first information, a focal length of said optical lens being defined as said second information, angle information on an optical axis that passes through a rotation center of said surveillance camera apparatus after being mounted onto said rotary base and that becomes a normal to a plane formed by said image-sensor being defined as said third information, and pixel information corresponding to said plurality of vertex-points that form said region to be masked whose image has been picked up by said image-sensor being defined as said fourth information, anda second storage unit for storing said computation result by said computation means.
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Accused Products
Abstract
A surveillance camera apparatus includes a first storage unit for storing a size of pixels configuring a image-sensor, a computation unit for performing a computation using first information, second information, third information, and fourth information to calculate angle information on a plurality of vertex-points, the information stored in the first storage unit being defined as the first information, a focal length of an optical lens being defined as the second information, angle information on an optical axis that passes through a rotation center of the surveillance camera apparatus as the third information, and pixel information corresponding to a plurality of vertex-points that form a region to be masked whose image has been picked up by the image-sensor being defined as the fourth information, and a second storage unit for storing the computation result by the computation unit.
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Citations
20 Claims
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1. A surveillance camera apparatus having an image-pickup unit and a signal processing unit for processing an image-pickup signal, and sending out an image-sensed picture, and being mountable onto a rotary base, said image-pickup unit locating therein an image-sensor and an optical lens, said surveillance camera apparatus, comprising:
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a first storage unit for storing a size of pixels configuring said image-sensor, computation means for performing a computation using first information, second information, third information, and fourth information so as to calculate angle information on a plurality of vertex-points that form a region to be masked, said information stored in said first storage unit being defined as said first information, a focal length of said optical lens being defined as said second information, angle information on an optical axis that passes through a rotation center of said surveillance camera apparatus after being mounted onto said rotary base and that becomes a normal to a plane formed by said image-sensor being defined as said third information, and pixel information corresponding to said plurality of vertex-points that form said region to be masked whose image has been picked up by said image-sensor being defined as said fourth information, and a second storage unit for storing said computation result by said computation means. - View Dependent Claims (2, 3)
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4. A surveillance camera system apparatus including a surveillance camera and a rotary base for rotatably supporting said surveillance camera, said surveillance camera having an image-pickup unit and a signal processing unit for processing an image-pickup signal, and sending out an image-sensed picture, said image-pickup unit locating therein an image-sensor and an optical lens,
said surveillance camera system apparatus comprising said surveillance camera and said rotary base, said surveillance camera, comprising: -
a first storage unit for storing a size of pixels configuring said image-sensor, computation means for performing a computation using first information, second information, third information, and fourth information so as to obtain angle information on a plurality of vertex-points that form a region to be masked, said information stored in said first storage unit being defined as said first information, a focal length of said optical lens being defined as said second information, angle information on an optical axis that passes through a rotation center of said rotatably-supported surveillance camera and that becomes a normal to a plane formed by said image-sensor being defined as said third information, and pixel information corresponding to said plurality of vertex-points that form said region to be masked whose image has been picked up by said image-sensor being defined as said fourth information, and a second storage unit for storing said computation result by said computation means. - View Dependent Claims (5, 6)
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7. A surveillance camera apparatus having an image-pickup unit, distance-measuring means for measuring a distance up to a photograph-target, and a signal processing unit for processing an image-pickup signal, and sending out an image-sensed picture, and being mountable onto a rotary base, said image-pickup unit including an image-sensor and optical lenses including a relatively-displaceable zoom-lens, said surveillance camera apparatus, comprising:
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a first storage unit for storing a size of pixels configuring said image-sensor, a third storage unit for storing a distance up to said image-sensor from a rotation center of said surveillance camera apparatus after being mounted onto said rotary base, calculation means for calculating a focal length from a position of said zoom-lens, computation means for performing a computation using first information through sixth information so as to calculate angle information on a plurality of vertex-points that form a region to be masked, said information stored in said first storage unit being defined as said first information, said information by said calculation means being defined as said second information, angle information on an optical axis that passes through said rotation center of said surveillance camera apparatus after being mounted onto said rotary base and that becomes a normal to a plane formed by said image-sensor being defined as said third information, pixel information corresponding to said plurality of vertex-points that form said region to be masked whose image has been picked up by said image-sensor being defined as said fourth information, said information stored in said third storage unit being defined as said fifth information, and said distance up to said photograph-target that exists in said region to be masked whose image has been picked up by said image-sensor being defined as said sixth information, said distance being measured by said distance-measunng means, and a second storage unit for storing said computation result by said computation means and said sixth information. - View Dependent Claims (8)
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9. A surveillance camera system apparatus including a surveillance camera and a rotary base for rotatably supporting said surveillance camera, said surveillance camera having an image-pickup unit, distance-measuring means for measuring a distance up to a photograph-target, and a signal processing unit for processing an image-pickup signal, and sending out an image-sensed picture, said image-pickup unit including an image- sensor and optical lenses including a relatively-displaceable zoom-lens,
said surveillance camera system apparatus comprising said surveillance camera and said rotary base, said surveillance camera, comprising: -
a first storage unit for storing a size of pixels configuring said image-sensor, a third storage unit for storing a distance up to said image-sensor from a rotation center of said rotatably-supported surveillance camera, calculation means for calculating a focal length from a position of said zoom-lens, computation means for performing a computation using first information through sixth information so as to calculate angle information on a plurality of vertex-points that form a region to be masked, said information stored in said first storage unit being defined as said first information, said information by said calculation means being defined as said second information, angle information on an optical axis that passes through said rotation center of said rotatably-supported surveillance camera and that becomes a normal to a plane formed by said image-sensor being defined as said third information, pixel information corresponding to said plurality of vertex-points that form said region to be masked whose image has been picked up by said image-sensor being defined as said fourth information, said information stored in said third storage unit being defined as said fifth information, and said distance up to said photograph-target that exists in said region to be masked whose image has been picked up by said image-sensor being defined as said sixth information, said distance being measured by said distance-measuring means, and a second storage unit for storing said computation result by said computation means and said sixth information. - View Dependent Claims (10)
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11. An image-sensed picture masking method in a system comprising:
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a surveillance camera having an image-pickup unit and a signal processing unit for processing an image-pickup signal, and sending out an image-sensed picture, said image-pickup unit locating therein an image-sensor and an optical lens, a rotary base for rotatably supporting said surveillance camera, a controller unit for controlling said surveillance camera, and a monitor unit for displaying said image-pickup signal as said image-sensed picture, said surveillance camera, comprising; a first storage unit for storing a size of pixels configuring said image-sensor, computation means for performing a computation using first information, second information, third information, and fourth information so as to obtain angle information on a plurality of vertex-points that form a region to be masked, said information stored in said first storage unit being defined as said first information, a focal length of said optical lens being defined as said second information, angle information on an optical axis that passes through a rotation center of said rotatably-supported surveillance camera and that becomes a normal to a plane formed by said image-sensor being defined as said third information, and pixel information corresponding to said plurality of vertex-points that form said region to be masked whose image has been picked up by said image-sensor being defined as said fourth information, and a second storage unit for storing said computation result by said computation means, said image-sensed picture masking method, comprising the steps of; specifying said region to be masked at said controller unit on a basis of said image-sensed picture displayed on said monitor unit, defining, as said fourth information, said pixel information on said plurality of vertex-points that form said region to be masked, computing, by said computation means, said angle information on said plurality of vertex-points that form said region to be masked, and storing said angle information into said second storage unit. - View Dependent Claims (12, 13, 14, 15, 16, 17)
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18. An image-sensed picture masking method in a system comprising:
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a surveillance camera having an image-pickup unit, distance-measunng means for measuring a distance up to a photograph-target, and a signal processing unit for processing an image-pickup signal, and sending out an image-sensed picture, said image-pickup unit including an image-sensor and optical lenses including a relatively-displaceable zoom-lens, a rotary base for rotatably supporting said surveillance camera, a controller unit for controlling said surveillance camera, and a monitor unit for displaying said image-pickup signal as said image-sensed picture, said surveillance camera, comprising; a first storage unit for storing a size of pixels configuring said image-sensor, a third storage unit for storing a distance up to said image-sensor from a rotation center of said rotatably-supported surveillance camera, calculation means for calculating a focal length from a position of said zoom-lens, computation means for performing a computation using first information through sixth information so as to obtain angle information on a plurality of vertex-points that form a region to be masked, said information stored in said first storage unit being defined as said first information, said information by said calculation means being defined as said second information, angle information on an optical axis that passes through said rotation center of said rotatably-supported surveillance camera and that becomes a normal to a plane formed by said image-sensor being defined as said third information, pixel information corresponding to said plurality of vertex-points that form said region to be masked whose image has been picked up by said image-sensor being defined as said fourth information, said information stored in said third storage unit being defined as said fifth information, and said distance up to said photograph-target that exists in said region to be masked whose image has been picked up by said image-sensor being defined as said sixth information, said distance being measured by said distance-measuring means, and a second storage unit for storing said computation result by said computation means and said sixth information, said image-sensed picture masking method, comprising the steps of; specifying said region to be masked at said controller unit on a basis of said image-sensed picture displayed on said monitor unit, defining, as said fourth information, said pixel information on said plurality of vertex-points that form said region to be masked, computing, by said computation means, said angle information on said plurality of vertex-points that form said region to be masked, and storing said angle information into said second storage unit. - View Dependent Claims (19, 20)
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Specification