PARIS, France—Using a virtual coronary road-map overlay during angiography for complex PCI can significantly reduce the amount of iodinated contrast and the number of cineangiography runs, potentially ...

Adjusting the LED backlight in an LCD TV or monitor on the fly to create a higher contrast ratio. When a dark image is displayed, the LEDs are dimmed or turned off behind the pixels. When light areas ...

I'm talking about the new evil in displays -- dynamic contrast ratio. Contrast ratio is the ratio of the blackest black a screen can produce compared to its brightest white; and it's also the most ...