Chapter Questions
Define, with diagrams, perspective projection and orthographic projection.
Define:$\bullet$ Spatial resolution$\bullet$ Spectral resolution$\bullet$ Radiometric resolution$\bullet$ Time resolution
Why the analog television norms as NTSC, PAL (which are several decades old) use interlaced image lines?
Use Matlab or similar software to generate images of very low contrast; determine what contrast is detectable by humans.
Define:$\bullet$ Additive noise$\bullet$ Multiplicative noise$\bullet$ Gaussian noise$\bullet$ Impulsive noise$\bullet$ Salt-and-pepper nolse
A photoreceptor or camera sensor can be modeled by the following equation:$$q_i=\int_{\lambda_1}^{\lambda_2} I(\lambda) R_2(\lambda) S(\lambda) d \lambda$$$\bullet$ Name/describe the individual variables.$\bullet$ What is $q_i$ ?
Briefly describe the relationship between the color gamut perceivable by humans and available in a typical CRT or LCD display.Provide a rough sketch of each of these two gamuts in a single CIE chromaticity diagram.
Explain the concept of color constancy. Why is it important for color image processing and/or analysis?