Table 1 Camera characteristics.

From: Prediction of Congou Black Tea Fermentation Quality Indices from Color Features Using Non-Linear Regression Methods

Characteristic

Parameter

Image size

3456 × 2304 pixels

Zoom

No zoom

Flash mode

No flash

Sensitivity

ISO-100

White balance

Fluorescence

Operation mode

Manual

Aperture av.

f/4.0

Exposure time av

1/30 s

Image type

RGB, JPEG

Macro

On

Focal length

24 mm

Resolution

72dpi