Jello effect in camera video (Rolling shutter)

1. Purpose

    - Providing information on distortions that can be seen intermittently in CCTV cameras and providing

      guidance on how to alleviate them.

2. What is the Jello effect?

  - Parts of the frame become blurred, or straight lines appear crooked -In the video, it is expressed as a        rising haze or a jelly-like vibration.

3. Causes of the Jello effect

  -This is a phenomenon that inevitably occurs in cameras that use a rolling shutter type image sensor.

 - Rolling Shutter is a method of sequentially shooting the entire screen line by line when shooting

    individual frames. There is a time difference in the shooting of each line; thus, image distortion occurs

    in situations where there is a fast-moving subject or the camera is moving quickly.

4. How to alleviate the Jello effect distortion

- Lower the Shutter Maximum little by little and maintain the set value at the point when the                         phenomenon is alleviated.

- However, if the exposure is prolonged by slowing down the shutter speed, diffraction or saturation may     occur due to the influence of the aperture. Thus, caution is required