1. A method to improve image quality in images of a surface captured via a monochromatic camera, the surface including a target and a background, the method comprising: using multi-wavelength lighting to obtain a plurality of images including: varying the multi-wavelength lighting among a plurality of wavelengths; and obtaining an image at each of the plurality of wavelengths; and optimizing contrast between portions of the surface based on the plurality of images including determining which wavelength among the plurality of wavelengths results in an image having an optimum contrast.