Onumen Technology CO., LTD.
Onumen Technology CO., LTD.

How to Eliminate Moiré Pattern in LED Mobile Splicing Screen?

We sometimes see Moiré patterns on photos taken with phones or cameras of LED mobile splicing screens. These Moiré patterns are high-frequency interference lines that appear on digital cameras or scanners due to interference with the photosensitive elements. They create irregular colored lines in pictures. This phenomenon is not caused by the LED mobile splicing screen itself, but by the angle and focus of the camera or phone when taking the photo. So, do you know how to get rid of Moiré patterns on LED mobile splicing screens? Here, we introduce three methods for you:

Camera pixel bias technology

Moiré patterns are caused by image details that are smaller than the spacing between each image sensor. Spatial bias increases the brightness level resolution of CCD cameras as much as possible. However, this method cannot completely eliminate the Moiré pattern phenomenon on the LED mobile splicing screen, because the image sensor still has a certain spatial frequency, which cannot continuously form a surface.

Optical screen processing to eliminate Moiré patterns

LED mobile splicing screens that have undergone optical processing can be filmed without causing Moiré patterns from almost any angle, position, or focal length. Optically processed LED mobile splicing screens have brightness and color temperature that meet television filming requirements, and do not interfere with Moiré patterns.

Adjust camera settings during filming

Change the camera angle. Slightly changing the angle of the camera (by rotating the camera) can reduce or eliminate Moiré patterns caused by the angle of the camera and the LED mobile splicing screen.

Focus direction. Focusing on the details of fine patterns on the LED mobile splicing screen can cause Moiré patterns. Slightly changing the focus can change the clarity of the image and help eliminate Moiré patterns.

Change camera position. Changing the angle relationship by moving the camera left or right or up and down can reduce Moiré patterns.

Use software to process and eliminate Moiré patterns in the final image of the LED mobile splicing screen. However, these methods are not practical for television filming, especially live broadcasts.

Change the focal length of the lens, or use different lenses or focal length settings.

In summary, these are the methods to eliminate Moiré patterns on LED mobile splicing screens. By using these three methods, we can effectively get rid of Moiré patterns and make the image clear, soft, and realistic. Especially when using close-up shots, the image will not distort, giving the audience a great visual experience.