Batch rename pictures of multiple recording devices to show date and time in filenames

Similar to sorting images into folders named after their date, we're going to look at automatically renaming pictures - so that their names are based on timestamps they've been taken. This enables sorting pictures chronologically in pretty much all software that's out there (as sorting alphabetically implies chronological sorting then). Note that the same is … Continue reading Batch rename pictures of multiple recording devices to show date and time in filenames

convertconditional: convert an image if it fulfills certain conditions

Recently I needed a script to batch convert only those images amongst a large amount of images which fulfil certain criteria, namely of being exactly of a stated size. The script is based on ImageMagick's convert and basically takes an arbitrary amount of convert parameters. I personally use this script to automatically reduce size and … Continue reading convertconditional: convert an image if it fulfills certain conditions

Batch panorama stitching with review using Hugin

Stitching images to a panorama may take it's time -- which might be frustrating in case you need to create a whole lot of panoramas. Hugin can save you a lot of time here. Basics of Hugin in a nutshell: it's is a panorama tool providing a command line interface+UI and a two phased processing. … Continue reading Batch panorama stitching with review using Hugin

Image classification using SVMs in R

Recently I did some Support Vector Machine (SVM) tests in R (statistical language¬†with functional parts for rapid prototyping and data analysis -- somehow similar to Matlab, but open source ;)) for my current face recognition projects. To get my SVMs up and running in R, using image data as in- and output, I wrote a … Continue reading Image classification using SVMs in R