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spatial frequency
(redirected from Spatial frequencies)

    Also found in: Medical, Wikipedia 0.01 sec.
spatial frequency
n
(Electronics) Television the measure of fine detail in an optical image in terms of cycles per millimetre
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It has been known for years that the brain primarily uses low spatial frequencies to recognise faces.
We first gaze at eyes to recognise faces by Asian News International
The maximum in the smaller font's contrast ratio will occur at higher spatial frequencies, beyond those where the contrast threshold for recognition occurs.
A study of multifunctional document centers that are accessible to ... by Huffman, Lee A.; Uslan, Mark M.; Burton, Darren M.; Eghtesadi, Caesar / Journal of Visual Impairment & Blindness
We therefore need a one-dimensional Fourier transform, to produce a (spatial) power spectrum for each 30ms image up to a spatial frequency of about 1 per pixel--higher spatial frequencies can have little significance.
First steps to double star measurement using visible light ... by Williams, Sheridan; Cooper, Alan / Journal of the British Astronomical Association
 
 
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