Frame-based methods consider spatial configurations as a significant cue for background modeling, such as eigen-background model [4].
The noises were the distant, almost imperceptible sounds of familiar urban cues, like background audio for a children's show.
From his shopping cart, which he had packed with two amplifiers, CDs of his music for sale and a plastic tip bucket, Geechee Dan cued his background music.
1 - Overlap accumulation scores: Our first strategy, called overlap accumulation scores (OAS), is based on two simple spatio-temporal cues: a background extraction overlap score and a temporal accumulation one.
The object replacement phase for the location of each of the six collected objects started with a 3 s period in which an object was presented on a gray background (cue phase).
When comparing the effects of direct cues (olfactory and visual stimuli) against indirect cues (microhabitat and background coloration), Thorson et al. (1998) found that both fox squirrels (Sciurus niger) and thirteen-lined ground squirrels (Spermophilus tridecemlineatus) responded more strongly to the indirect cue of distance from refuge.
Several chemical strategies have been described, such as chemical mimicry (chemical resemblance of another species), chemical camouflage/crypsis (avoiding detection through expression of uninteresting or background cues), chemical insignificance (suppression of chemical recognition cues) or the use of ant deterrent/attractant chemicals [ 10, 19].
Since the resulting left and right output signals only differ by a linear time-invariant filter (d 1 and d 2), this signal will be perceived as a point source in the direction of the target source, preserving the interaural cues of the target source but typically destroying the cues of the background noise [9, 17].
This addition allows the assessment of: (1) context stimulus competition, by treating contextual cues as ordinary background stimuli present throughout the whole experimental session; (2) summation, by computing compound stimuli with contextual cues as an integrating feature, with and without the addition of specific configural cues; and (3) contingency effects in causal learning.
They were able to take cues from the background and compensate for the very unnatural illumination.
