Batch processing of photos on post-editing

[Ofnuts]

(05-23-2022, 05:15 AM)Stephen Liu Wrote: GIMP 2.10.18 on Ubuntu 20.04 desktop



Hi all,

I have hundreds of film negatives to be converted to digitized files.  I have no problem scanning them and saving them on Smartphone (with/without scan software installed) to negative photos.  After downloading them to computer I run following "mogrify" command lines (ImageMagick command) batch converting them to postive photos.

Code:

$ mogrify -negate *.* (convert negative photos to postive)

$ mogrify -negate -rotate 90 *.* (convert negative photos to postive and rotate 90 deg clockwise)

$ mogrify -negate -rotate -90 *.* (convert negative photos to postive and rotate 90 deg counter-clockwise)

$ mogrify -negate -rotate 180 *.* (convert negative photos to postive and rotate 180 deg)

They work for me seamlessly.  

Regarding Brightness, Contrast, Hue, Color etc. Can they be processed in batch?

ImageMagicks command;

Code:

$ morgify/convert -brightness-contrast 12x34 *.*

12x13 (value of -brightness-contrast, for example)
able to batch converting all photos but there is no preview.

I found BIMP/DBP plugins for GIMP.  They can perform batch process.  

Is there preview provided?
Can they perform batch processing on HUE Color, brightness, contrast, saturation etc. ?

It would be a tedious work to post-editing hundreds of photo, one by one.

OR is there a better solution for me?  Please advise.

Thanks in advance

Regards
SL

Another way to do that with IM is to create  a batch that uses convert several times on the same source image with varying parameters to produce several outcomes of the same image, and pick the IM parameters of the one that looks the best for use on all other images.