autoit でOCRを使う

2023年4月28日2023年5月5日

Tesseract

ここからダウンロードしてインストール
https://tesseract-ocr.github.io/tessdoc/Installation.html

Additional script data 「Japanese script」と「Japanese vertical script」をチェック
Additional language data 「Japanese」と「Japanese (vertical)」をチェック

スクリプト

$ImageToReadPath = @ScriptDir & "\image.bmp"
$ResultTextPath = @ScriptDir & "\Result"
$OutPutPath = $ResultTextPath & ".txt"
$TesseractExePath = "C:\app\tesseract\tesseract.exe"
$TesseractExePara =  "  -c tessedit_char_whitelist=abcdefghijklmnopqrstuvwxyz0123456789  -l eng --psm 7 --oem 1 "

;
ShellExecuteWait($TesseractExePath, '"' & $ImageToReadPath & '" "' & $ResultTextPath & '" "' & $TesseractExePara & '"', "", "", @SW_HIDE)
Sleep(1000)
If @error Then
	Exit MsgBox(0, "Error", @error)
EndIf

MsgBox(0, "Result", FileRead($OutPutPath))

FileDelete($OutPutPath)

https://www.autoitscript.com/forum/topic/174483-tesseract-simple-example/

tesseract option


    0 = Orientation and script detection (OSD) only.
    1 = Automatic page segmentation with OSD.
    2 = Automatic page segmentation, but no OSD, or OCR.
    3 = Fully automatic page segmentation, but no OSD. (Default)
    4 = Assume a single column of text of variable sizes.
    5 = Assume a single uniform block of vertically aligned text.
    6 = Assume a single uniform block of text.
    7 = Treat the image as a single text line.
    8 = Treat the image as a single word.
    9 = Treat the image as a single word in a circle.
    10 = Treat the image as a single character.

説明しているホームページサイト参考に
https://qiita.com/henjiganai/items/7a5e871f652b32b41a18

スクリーンキャプチャーと併用することで活用できそうです