Principles of digital image synthesis: Vol. 1

algorithm aliasing approach bandlimited basis functions called cell Chapter coefficients color complex Computer Graphics Proc convolution crude Monte Carlo defined discrete discrete signal discussed display distribution domain edge editors Equation error estimand estimate Eurographics Eurographics Workshop evaluated example finite Fourier series Fourier transform François Sillion Gaussian geometry given global illumination grid hexagonal lattice illumination image synthesis importance sampling impulse response input integral intensity interval jittered light linear low-pass filter matrix method node noise nonuniform sampling number of samples object parameters Pat Hanrahan phosphors pixel Poisson-disk problem radiosity random variable ray tracing reconstruction filter refinement test region represent resample result sample points sampled signal sampling density sampling pattern sampling theorem scaled shown in Figure Siggraph spectrum square stratified stratified sampling techniques tile typically uniform sampling variance vectors visual system wavelet width Workshop on Rendering