Sentence examples for matched for luminance from inspiring English sources

All images were matched for luminance and contrast and subtended a horizontal visual angle of 2° and a vertical angle of 3°.

To avoid low-level visual effects, the emotional and neutral stimuli were matched for luminance (t51 = 0.683, P = 0.626) Figure 1.

During recording segments a series of isoluminant colours was presented on-screen against a grey background that was also matched for luminance.

All images were converted to grayscale and matched for luminance and 90% quality jpeg file size by category using Adobe Photoshop 6 (Adobe Systems).

Intact and scrambled conditions were matched for luminance, RMS contrast as well as spectral composition; they were also matched with respect to mask since different Gaussian masks were paired with different faces but were identical across intact and scrambled conditions.

There were 16 30-s blocks with facial expressions (four fear, four anger, four happy, four neutral), each followed by a 15-s control block during which an oval frame, as in facial expression trials and matched for luminance but without the face inside, appeared four times.

In contrast, responses from V1 were nearly identical when the annuli were matched for brightness, despite quite different luminance values.

In contrast, the cortical responses to annuli matched for brightness were nearly identical, despite the physical difference in their luminance (an identical pattern of responses was also found in area V4; data not shown).

Backgrounds were grey scale digital images of natural substrates, also in PNG format, and each background exemplar was matched for mean luminance.

To determine whether onset dominance is sensitive to these very small luminance contrast signals, we assessed whether there was any difference between the pattern of onset dominance for photometrically matched targets and targets that have been matched for perceived brightness at each location of the visual field.

Object content, matched for perceptual characteristics such as size, luminance, and spatial frequency distribution, is also known to affect the earliest sensory stage.