Cámara Pinhole Varifocal

Figura 1. Click on the image for a larger view En el post Wheehamx Polaroid Pete 1st test! del blog de Jesús Joglar se muestra una serie de imágenes tomadas con una cámara estenopeica (pinhole) de longitud focal variable (Fig. 1). Debajo de cada imagen se especifican la longitud focal de la toma, el valor del número …

Image Quality Laboratory a RIAO/Optilas2013

En el marc de les activitats del Image Quality Laboratory (IQL) del CITM del Campus de Terrassa de la UPC, els treballs Optimization of digitization procedures in cultural heritage preservation i Digital image quality measurements by objective and subjective methods from a series of parametrically degrades images han estat acceptats com a presentació oral i …

Image Quality of Photographic Cameras

1.- Introduction to the MTF Measurement The objective evaluation of the image quality provided by a given photographic device can be achieved by means of several methods. These kinds of measurements may consist in individual tests of the various device components as lens resolving power (RP), sensor effective resolving power, signal to noise ratio (SNR) …