Light sensation sensor and image catching device
A photosensitive sensor and image capture technology, applied in the field of light sensing, can solve the problems of high cost and complex structure, and achieve the effect of simplifying the structure of the device, improving the accuracy, and accurately detecting motion between frames
Inactive Publication Date: 2008-09-03
HONG KONG APPLIED SCI & TECH RES INST
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This solution requires a gyroscope, so the structure of the product is complicated and the cost is high
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[0030] The features and advantages of the present invention will be described in detail with reference to the accompanying drawings.
[0031] The photosensitive sensor of the present invention includes a photosensitive module and a control and processing module, the photosensitive module includes at least a first photosensitive unit and a second photosensitive unit, the first photosensitive unit is used to capture images, and the second photosensitive unit is used to detect motion or photosensitive sensors exercise. Wherein, the detected motion information includes motion direction, displacement and so on. The first and second photosensitive units convert the collected light signals into corresponding electrical signals, and the control and processing module controls the first and second photosensitive units to output electrical signals, and processes them to generate motion signals (Motion signals) and image signals ( Image signal). The motion signal reflects the motion det...
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The invention discloses a light sensitive sensor including a light sensitive module which is used for performing light electrical signal switch and comprises at least a first light sensitive unit and a second light sensitive unit. The first light sensitive unit is used for capturing image and the second light sensitive unit is used for detecting image moving or sensing moving of the light sensitive sensor. The output electrical signal from the light sensitive sensor for controlling the light sensitive sensor is controlled and processed, the electrical signal is processed to generate a moving signal and an image signal, and the signals are output. The invention also discloses an image capturing device using this light sensitive sensor. Due to the additionally provided second light sensitive unit with the functions of detecting image moving or sensing moving of the light sensitive sensor, the light sensitive sensor is capable of simultaneously outputting the moving signal and image signal, thereby reaching higher detection accuracy, the structure is simple and the cost is low.
Description
technical field [0001] The invention relates to the field of light sensing, in particular to a photosensitive sensor and an image capturing device. Background technique [0002] The development of light sensing technology is changing with each passing day, and its application in the field of image shooting is particularly active. Existing photosensitive devices for motion detection, such as U.S. Patent: US 7209601B2 discloses a photosensitive device, wherein the photosensitive sensor only includes a photosensitive pixel array (PixelArray) for detection, and another U.S. Patent: US 7271830601B2 discloses a A motion detection scheme, which compares the current image frame with one or more past image frames to determine whether the motion difference between the current frame and the past frames is lower than the set threshold, and if it is lower than the set threshold, the current image is regarded as stable state, and store the current frame as the final captured image. Howe...
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IPC IPC(8): H04N5/232H04N5/14H04N23/40
CPCH04N5/2258H04N5/23254H04N5/144H04N5/2328H04N5/23248H04N23/45H04N23/6811H04N23/68H04N23/685
Inventor 刘铁钢林小军范永明范健明郑国星
Owner HONG KONG APPLIED SCI & TECH RES INST