Filtered up-sampling using different filters for this picture. Performed using the Imagemagick convert program.
rgbbox (nearest-neighbor):
box (rgb)
triangle (bi-linear):
triangle (rgb)
hermite:
hermite (rgb)
hanning:
hanning (rgb)
hamming:
hamming (rgb)
blackman:
blackman (rgb)
gaussian:
gaussian (rgb)
quadratic:
quadratic (rgb)
cubic (bi-cubic):
cubic (rgb)
catrom:
catrom (rgb)
mitchell:
mitchell (rgb)
lanczos:
lanczos (rgb)
bessel:
bessel (rgb)
sinc:
sinc (rgb)

Filtered DOWN-sampling using different filters for this picture. Performed using the Imagemagick convert program.
rgbbox (nearest-neighbor):
box (rgb)
triangle (bi-linear):
triangle (rgb)
hermite:
hermite (rgb)
hanning:
hanning (rgb)
hamming:
hamming (rgb)
blackman:
blackman (rgb)
gaussian:
gaussian (rgb)
quadratic:
quadratic (rgb)
cubic (bi-cubic):
cubic (rgb)
catrom:
catrom (rgb)
mitchell:
mitchell (rgb)
lanczos:
lanczos (rgb)
bessel:
bessel (rgb)
sinc:
sinc (rgb)

Filtered DOWN-sampling using different filters for this picture. Performed using the Imagemagick convert program.
rgbbox:
box (rgb)
triangle:
triangle (rgb)
hermite:
hermite (rgb)
hanning:
hanning (rgb)
hamming:
hamming (rgb)
blackman:
blackman (rgb)
gaussian:
gaussian (rgb)
quadratic:
quadratic (rgb)
cubic:
cubic (rgb)
catrom:
catrom (rgb)
mitchell:
mitchell (rgb)
lanczos:
lanczos (rgb)
bessel:
bessel (rgb)
sinc:
sinc (rgb)