印刷局スマートフォン判別具

Usage
An application that visualizes the latent image technology of the National Printing Bureau.
The following latent image technologies are supported.
Technology 1 CH1
Technology 2 CH2
Technology 3 CH3

screen structure
It is composed of upper and lower halves.
The camera image is displayed on the upper screen, and the visualized latent image is displayed on the lower screen.

Method of operation
From the menu on the top left, select the desired latent image technology and shoot the print.
At this time, the latent image is detected when the distance between the camera and the printed matter is brought closer to about 10 cm.
The distance at which the standard on the upper screen becomes green is optimal.
Swipe up or down on the bottom screen to adjust the brightness of the latent image. Also, double-clicking the same screen returns it to the standard brightness.

Remarks
This application does not guarantee visualization of latent image technology on all smartphones.
Depending on the model or printed material, latent image technology may not be visualized correctly.