How to batch process pictures to split and reassemble them vertically?

Question

I have 6,000 pictures with two horizontal bars of text in them, one at the top, one at the bottom.

The goal is to cut the top bar and put it under the bottom bar of text. How would I do that in a batch process? I know XnView can cut pictures in half and crop them in a batch process, but the trick seems to be to stitching them back together in batch.

My input is shown on the left; the desired result is shown on the right:

EDIT: I am, frankly, baffled that you would describe this as "too broad". I tried to keep it general, because EVERY TIME I mention a program, you jump on my neck and scream about too specific, "asking for opinions about one program vs another" so, perhaps you people should decide whether you want to hear about individual programs or not.

What I tried is using Corel's PaintShop Pro to cut ONE picture, but I lack the time to do that for 6,000+ pictures.

I then tried XnView, but that does only has a cutting function, not a "stitch back together" function.

If you just don't understand what I am asking, please say so.

Answer 1

Microsoft Windows [Version 10.0.17134.706]

Download Imagemagick for Windows

REM MOVE A ROW 32 PIXELS TALL STARTING FROM 0,0 TO THE BOTTOM USING ROLL
"%ProgramFiles%\ImageMagick-7.0.7-Q16\convert.exe" "%USERPROFILE% \Desktop\IQ1Xi.jpg" -roll +0-32 "%USERPROFILE%\Desktop\IQ1Xi2.jpg"
REM BRING THE TEXT CLOSER TOGETHER BY MAKING TWO CROPS OF IQ1Xi2.jpg AND -APPEND THEM
REM CROP 1
"%ProgramFiles%\ImageMagick-7.0.7-Q16\convert.exe" "%USERPROFILE%\Desktop\IQ1Xi2.jpg" -crop 352x204+0+0 "%USERPROFILE%\Desktop\IQ1Xi3.jpg"
REM CROP 2
"%ProgramFiles%\ImageMagick-7.0.7-Q16\convert.exe" "%USERPROFILE%\Desktop\IQ1Xi2.jpg" -gravity South -crop 352x24+0+0 "%USERPROFILE%\Desktop\IQ1Xi4.jpg"
REM FINISHED IMAGE USING -APPEND
"%ProgramFiles%\ImageMagick-7.0.7-Q16\convert.exe" "%USERPROFILE%\Desktop\IQ1Xi3.jpg" "%USERPROFILE%\Desktop\IQ1Xi4.jpg" -append "%USERPROFILE%\Desktop\IQ1Xi5.jpg"

ORIGINAL IMAGE:

ROLLED IMAGE:

BRING THE TEXT CLOSER TOGETHER BY MAKING TWO CROPS OF THE ROLLED IMAGE AND -APPEND THEM.

CROP ONE:

CROP TWO:

FINISHED IMAGE:

More info:

https://www.imagemagick.org/script/command-line-options.php#roll
https://www.imagemagick.org/script/command-line-options.php#crop
https://www.imagemagick.org/script/command-line-options.php#gravity
https://www.imagemagick.org/script/command-line-options.php#append

A BATCH FILE TO PROCESS ALL THE IMAGES:

Processing .jpg (roll, crop, & append) can degrade them so best off starting with not overwriting. Copy all your images to "%USERPROFILE%\Desktop\New folder\"

@echo off
SETLOCAL ENABLEEXTENSIONS
cd "%USERPROFILE%\Desktop\New folder\"
md "%USERPROFILE%\Desktop\New folder\processed\"
for /f "tokens=*" %%x in ('dir /b "%USERPROFILE%\desktop\new folder\*.jpg"') do (
"%ProgramFiles%\ImageMagick-7.0.7-Q16\convert.exe" "%%x" -roll +0-32 "%TEMP%\1.jpg"
"%ProgramFiles%\ImageMagick-7.0.7-Q16\convert.exe" "%TEMP%\1.jpg" -crop 352x204+0+0 "%TEMP%\2.jpg"
"%ProgramFiles%\ImageMagick-7.0.7-Q16\convert.exe" "%TEMP%\1.jpg" -gravity South -crop 352x24+0+0 "%TEMP%\3.jpg"
"%ProgramFiles%\ImageMagick-7.0.7-Q16\convert.exe" "%TEMP%\2.jpg" "%TEMP%\3.jpg" -append "%USERPROFILE%\Desktop\New folder\processed\%%x"
)
exit /b