[How to use]
When the camera recognizes a rectangle, it will be displayed surrounded by a red frame on the preview screen, so please press the shutter button in that state.
The image data is automatically corrected to the state taken from 90 degrees above.
At this time, the aspect ratio of the postcard after correction is automatically calculated, but a fixed value can be specified by setting. It is possible to obtain a more accurate corrected image at a higher speed than calculated from image judgment.
For example, if the Japanese postcard (100mm x 148mm) is used, the fixed value is set to "1.48".
When “No detection” is selected, two uncorrected images taken with the camera are combined and output as one image file.
Take a picture of the front and back of the postcard in succession and save it as a single png file.
For example, when taking the first image vertically, the second image also needs to be taken vertically.
To cancel taking of the first page, press the menu button once to display the menu screen.
The captured image is output to the following folder selected on the setting screen.
(on Android) photo
(SD Card) /storage/sdcard1/android/data/knse.knsenewyearcaedcapturer/files
The file name is output as the file name prefix specified in the configuration (the default is "BothSidesScanner_") + yyyy-mm-dd_hh-mm-ss.png.
If postcards are not recognized well, dark postcards will be recognized more clearly if placed on a white-based table and photographed.
This app can be used with a smartphone or tablet more than Android 5.0 (Lolipop).
When using this application on a tablet, change the terminal setting to "Tablet" from the menu screen. (Because it is necessary to switch the image judgment process because the tablet terminal is landscape orientation by default)
For example, postcards with a large rectangular pattern drawn may not be recognized correctly.
This application requires an internet connection for activation.
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