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Home > How To > Solutions for improving image quality of Xiaomi Yi 4K action camera
Solutions for improving image quality of Xiaomi Yi 4K action camera

Solutions for improving image quality of Xiaomi Yi 4K action camera

By  GB Blog Official 2016-10-16 14111 2

Xiaomi Yi action camera adopts Ambarella A9SE75 chipset and Sony IMX377 image sensor. But compared to its rival GoPro camera, it presents disparities in image quality and other aspects.

improve image quality of Xiaomi Yi

Factors that influence pictures and videos:

Poor focus

Xiaomi Yi has a fixed focus lens, which can't be adjusted according to the change of the subject. That means that objects close to the camera will appear more clear, sharp and well-defined than those in a further position (resulting vague and blurry).Xiaomi Yi high ISO

High ISO

Action cameras are designed for sport and require a fast shutter speed for shooting active subjects: a reason why Xiaomi Yi has fast shutter speed with high ISO, but this increases noise in photos and decreases their quality.

JPEG only

Xiaomi Yi camera only produces JEPG format images, thus it won't be easy for photographers to process, edit, recover those pictures after shooting.

Small tricks to solve the problems:

Focus adjustment

Having a "Fixed focus lens" doesn't imply focus cannot be changed. It can be adjusted by rotating its lens: clockwise direction for further place focus, counter clockwise rotation for closer focus. Please notice that the glue on the fixed lens needs to be removed.

Xiaomi Yi manual settings Manual settings

To solve high ISO and noise problems, you need to manually set some parameters. Start up the camera and check if its SD Card contains a file named "autoexec.ash". Commands in this file can be applied to set ISO, white balance, exposure time and others.

RAW format

The "autoexec.ash" file can be used to produce RAW format images. When the RAW file mode is enabled, the camera will create two different files, one is JEPG and the other is RAW.

 You may also want to read:
 8 common solvable problems: XiaoMi Yi sports action camera
 Solve Xiaomi Yi 1080P action camera video & image issues
 Xiaomi Yi action camera updates firmware pack


Some of these pictures are selected from the network, please feel free to contact us if you have any questions about them.

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