image ratio

image ratio

[′im·ij ‚rā·shō]
(electronics)
In a heterodyne receiver, the ratio of the image frequency signal input at the antenna to the desired signal input for identical outputs.
References in periodicals archive ?
Given the split threshold of foreground and background T, the foreground image ratio [w.sub.0], the average gray scale [u.sub.0], background image ratio [w.sub.1], and the average gray scale [u.sub.1], the total gray scale of the image is [u.sub.T] = [w.sub.0] x [u.sub.0] + [w.sub.1] x [u.sub.1].
No significant differences were detected between these two groups with respect to age, gender ratio, and left-right eye image ratio (Table 1).
The Infographic series has a very strong and attractive graphic style with a good level of technical vocabulary and print to image ratio for KS2/3 readers.
The 30MP hi-res game camera has a 16:9 wide image ratio, manual shot capability and an SD card slot up to 64GB to store multiple images and videos.
Dolan's manipulation of image ratio has august antecedents--Henri-Georges Clouzot's Le mystere Picasso (The Mystery of Picasso, 1956) thrillingly enlarges its 1.37 frame to CinemaScope three-quarters of the way into the film, impelled by the eponymous painter's request for a larger canvas--as does his belated employment of the squarer frame.
You get three image ratio options - 1:1, 4:3 and 16:9.
The advanced x-ray technology can automatically synchronise the x-ray scan speed with the production line belt speed, keeping a one-to-one image ratio. No manual adjustments are required, ensuring maximum uptime of the production line.