AIM To compare two reference standards when evaluating a method of screening for referable diabetic retinopathy. METHOD Clinics at Oxford and Norwich Hospitals were used in a two centre prospective study of 239 people with diabetes receiving an ophthalmologist's examination using slit lamp biomicroscopy, seven field 35 mm stereophotography and two field mydriatic digital photography. Patients...

Restoring teeth using direct composite veneers can be quite challenging for a clinician. Achieving natural color blending, masking dark teeth, removing decay, and providing a natural finish require meticulous placement with various composite opacities and shades. Critical self-evaluation using digital photography, documentation, and follow-up visits to perform veneer enhancements are critical t...

As digital photography rapidly replacing the traditional film photography as the photography of choice for all but a few devoted professionals, post processing to enhance images such as denoising becomes increasingly an integral part of digital photography. In this paper we propose the multiscale total variation (MTV) and the multiscale anisotropic diffusion (MAD) algorithms for denoising. Both...