Calc-Edit Picture with External Tool

hi,
Is there a way to set up Right Click -Edit Picture With External Tool in
Calc the same way as in Writer? This is useful for correcting OCR outputs of
external programs. Original pictures are pasted into Calc and Arranged to
Background . Line numbers can be entered into celss and row heights adjusted
to math lines in original picture. Window is split and output of OCR text is
pasted. Now line by line verifying and correction becomes easy. Many, many
times there will be OCR goof ups. And there is need to OCR again. So a right
click the picture invoking OCR program  (preset in Microsoft Windows -
picture Open With -OCR program) . It is possible to place "hot spot" on
picture and invoke program but you have to fish around to load the specific
picture in the sheet.

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