“…Standard or add-in software on some X-ray and EM instruments can offer a range of processing options including particle counting, 273 Fourier transform-based convolution methods, 274 and tomographic image visualization, 275 while software associated with some surface analysis techniques may include only basic image manipulations such as rescaling, addition, and subtraction. Although commercial software packages exist to implement most of the processing methods described here, in general, technique-specific requirements are barriers to the average user.…”