Is it safe to delete "tempHistoryInfo.jpg" files of Photo Editor?

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AC Question

Hello, I am looking for help.
I have a Samsung SM-T560, Android 4.4.4
Recently the internal memory space is running low.
I used SD Maid to find out what is using all the space and found a bunch of files called "tempHistoryInfo[...some numbers...]HistoryInfo.jpg" in the folder storage/emulated/0/.Photo Editor. They take up almost 500MB.

The files can not be opened with an image viewer.
I tried to access them from the PC (via USB) but I can't find them (told computer to show hidden files, too).

What are those? Is it just some old stuff from Photo Editor? Is it ok to delete them?
Thank you!
Britta