Patent
Image data analysis security camera
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TLDR
An image data analysis security camera having internal logic circuits and remote user controls is presented in this article, where the camera samples an initial image and compares subsequent images thereto, if a deviation between the two images is detected, the camera will initiate a remote alarm.Abstract:
An image data analysis security camera having internal logic circuits and remote user controls The image data analysis security camera samples an initial image and compares subsequent images thereto, if a deviation between the two images is detected the image data analysis camera will initiate a remote alarm The image data analysis security camera may also be provided with wireless communication capabilities and an internal battery thereby enabling the user to move the camera to another location quickly and easilyread more
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References
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Apparatus and method for detecting motion in a video signal
TL;DR: In this paper, a system detects motion in a video signal by identifying differences between a current image frame and a reference image frame by calculating a difference profile that represents the differences between the current image frames and the reference image frames.
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Hand-held remote control and display system for film and video cameras and lenses
TL;DR: In this paper, a system for remotely controlling the operation of a camera having a video signal tap and a lens having lens focus, zoom and T-stop adjustment motors is described.
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TL;DR: In this article, a motion detection algorithm captures a current image frame when a pixel comparison between successive image frames exceeds a predetermined threshold, i.e., the pixel comparison is larger than a certain threshold.
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TL;DR: In this article, a system for automatically monitoring an area includes a camera unit (12) having therein a video camera and an image processing section (27), which detects and tracks change regions in subsequent images.
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Determination of ambient light level changes in visual images
George C. Lee,Xianyi Sun +1 more
TL;DR: In this article, a visual image comparison method is provided, including the steps of: obtaining a first digital representation of a first visual image, where the first digital representations comprises a first plurality of pixels, and each pixel has a gray scale indicative of light intensity; selectively making a first predetermined number of comparisons of corresponding pixels from the first and second digital representations to determine whether a difference in ambient light intensity exists between the first visual images, and, selectively, making a second predetermined number, if and only, if a percentage of the second predetermined numbers of comparisons result in pixels having a difference of