2010linearsystems - 1 1 Linear systems and visual sensitivity 2 Display resolutions 3 Dithering 4 Anti-aliasing Spatial Resolution and Sensitivity

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Unformatted text preview: 1 1. Linear systems and visual sensitivity 2. Display resolutions 3. Dithering 4. Anti-aliasing Spatial Resolution and Sensitivity Linear system R(A+B) = R(A) + R(B) Response of a system to a set of stimuli is equal to the sum of the responses to each of the stimuli The impulse response The impulse response Input volts time The impulse response Input volts time Ipod classic vs Ipod video output Jean Baptiste Joseph Fourier 1768-1830 2 Fourier Transform 100 point waveform--> 50 sines and cosines How many can write a Fourier Transform computer program? • for f=1 to 50 • for x=1 to 100 • C(f) = C(f) + g(x)*cos(2 π fx) • S(f) = S(f) + g(x)*sin(2 π fx) Fourier Transform 100 point waveform--> 50 sines and cosines Predicting what a speaker will do to a sound Predicting what a speaker will do to a sound Output - Ipod Classic vs. Ipod Video 5G Predicting what a speaker will do to a sound Output - Ipod Classic vs. Ipod Video 5G 3 Predicting what a speaker will do to a sound Predicting what a human will do to a sound 17,000 hertz Hearing loss Predicting what a speaker will do to a sound 17,000 hertz Images are two dimensional but the same principle holds. 3 Predicting what a speaker will do to a sound Predicting what a human will do to a sound 17,000 hertz Hearing loss Predicting what a speaker will do to a sound 17,000 hertz Images are two dimensional but the same principle holds. 4...
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This note was uploaded on 12/28/2011 for the course PSYCH 3420 at Cornell University (Engineering School).

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2010linearsystems - 1 1 Linear systems and visual sensitivity 2 Display resolutions 3 Dithering 4 Anti-aliasing Spatial Resolution and Sensitivity

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