Detection of Image Sudden Change

Detection of Image Sudden Change

Description Detect the image abnormity and sudden change caused by the abnormity or interference happened to camera in real time, and give the alarm. The detectable abnormity or interference include:
① Sheltering(The camera lens get sheltered, and the view is sheltered over 50%)
② Camera move or rotation(the rotation angle >25°)
③ Lens zoom (cause blurred image)
④ Sudden brightening or darkening(excessive or inadequate exposure)
Application Scene Applied indoor mostly, the background should be almost static
Detection Rate 90% (Rate of false alarm ≤10%)
Minimum Illuminance Environment: 10 lux
Restrictions ① Camera's shooting angle and height are unrestricted.
② Background of the scene should be almost static, and the light can not change fiercely.

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