Automatic Motion Triggered Camera with Improved Triggering
First Claim
1. A method of automatic image capture of a moving target object comprising:
- a. providing a camera which can be triggered to capture an image using a control signal,b. providing a single motion detector aligned with a field of view of said camera, said motion detector producing an output signal arising from motion of said target object,c. providing a controller means for generating said control signal from said output signal following a two stage process comprising a first stage of waiting until said output signal indicates a predetermined minimum threshold of movement followed by a second stage of waiting until a further change in said output signal indicative of an animal being substantially centered in said field of view of said camera is detected,whereby said camera captures an image with said moving target substantially centered in said field of view.
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Abstract
An automatic motion triggered camera with improved triggering to produce images with the target animal substantially centered in the field of view. A single motion detector, a camera, and image memory are controlled by a processor that detects changes in the motion detector output and generates a trigger signal for the camera. The trigger follows a first stage of waiting until a predetermined minimum threshold of movement is detected and a second stage of waiting until a further change in the output signal indicative of an animal being substantially centered in the field of view of the camera is detected. Compensation for camera capture delay time can be included by sampling a plurality of motion detector signals, computing an estimated time at which the animal will be centered, and triggering the camera prior to that time.
30 Citations
5 Claims
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1. A method of automatic image capture of a moving target object comprising:
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a. providing a camera which can be triggered to capture an image using a control signal, b. providing a single motion detector aligned with a field of view of said camera, said motion detector producing an output signal arising from motion of said target object, c. providing a controller means for generating said control signal from said output signal following a two stage process comprising a first stage of waiting until said output signal indicates a predetermined minimum threshold of movement followed by a second stage of waiting until a further change in said output signal indicative of an animal being substantially centered in said field of view of said camera is detected, whereby said camera captures an image with said moving target substantially centered in said field of view. - View Dependent Claims (2, 3, 4, 5)
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Specification