Optical image stabilization drive system architecture
A drive system and optical anti-shake technology, applied in the field of anti-shake, can solve the problems of slow signal feedback speed, slow focusing speed, and unsatisfactory anti-shake effect, and achieve the effect of suppressing mechanical ringing and mechanical resonance.
Active Publication Date: 2018-03-20
上海赞芯电子科技有限公司
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Problems solved by technology
[0002] The existing optical anti-shake chip has a single technology, does not integrate image processing, scene recognition and AF driver, and the anti-shake effect is not ideal
The existing camera chip does not have an integrated position sensing control module, which is composed of separate components, the signal feedback speed is slow, and the linearity is poor
The focus speed of the existing camera chip is slow, it is impossible to quickly switch between long and short focus, and the focus positioning is not accurate
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[0012] The architecture of the optical anti-shake driving system involved in the present invention will be described in detail below with reference to the drawings and embodiments.
[0013] figure 1 It is a structural block diagram of the optical anti-shake driving system chip SOC in the embodiment of the present invention.
[0014] Such as figure 1 As shown, the high-definition camera optical anti-shake drive system has: camera drive module 1, position sensing control module 2, voice coil motor control module 3, image processing and scene recognition module 4, signal jitter and motion detection module 5, gyroscope Stability control module 6, comprehensive control module 7 and image imaging module 8.
[0015] The camera driving module 1 drives the lens to perform three-dimensional position movement and image zooming.
[0016] The position sensing control module 2 is connected with the image imaging module 8 and is used to detect the change of the three-dimensional position ...
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The optical anti-shake drive system framework provided by the present invention has such characteristics, including: a camera drive module, which drives the lens to move in three axes, an image imaging module, and the camera drive module; a position sensing control module, which is connected to the image imaging module , used to detect the position change of the image imaging lens; the image processing and scene recognition module is connected with the image imaging module, processes the acquired image and distinguishes the scene where the core of the image is located, and outputs the signal as a parameter for subsequent processing; The signal jitter and motion detection module is connected with the image processing and scene recognition module; the gyroscope stabilization control module is connected with the signal jitter and motion detection module, and the inertia detection and motion compensation are realized through a specific algorithm; and the integrated control module is connected with the The position sensing control module, the signal jitter and the motion detection module are respectively connected to control the final imaging quality of the image imaging module.
Description
technical field [0001] The invention relates to an anti-shake technology, in particular to an optical anti-shake system architecture. Background technique [0002] The existing optical anti-shake chip has a single technology, does not integrate image processing, scene recognition and AF driver, and the anti-shake effect is not ideal. The existing camera chip does not have an integrated position sensing control module, and is composed of separate components, with slow signal feedback and poor linearity. The focus speed of the existing camera chip is slow, it is impossible to quickly switch between long and short focus, and the focus positioning is not accurate. Contents of the invention [0003] The present invention is made to solve the above problems, and aims to provide an optical anti-shake drive system architecture with high integration and good anti-shake effect, and then design and produce an optical anti-shake drive chip system architecture with good anti-shake eff...
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IPC IPC(8): H04N5/232G02B27/64G03B5/00
Inventor 周正伟周业成叶军海
Owner 上海赞芯电子科技有限公司