Multi-channel mathematical and logical functions
- BANDRATIO
- Compute the ratio of one band to weighted sum of bands (B)
- FACTOR
- Create linear combinations of spectral channels (B)
- HIS
- Convert 3-band image between HIS and RGB representations (B)
- IMGCMP
- Compare two images pixel by pixel (B)
- IPMATH
- Compile statistics for each pixel of multi-band image (B)
- MATH
- Perform mathematical and logical operations on two images (B)
- MATH2
- Perform mathematical operations on two or more image bands,
including sum, average, ratio, and max/min, with masking (B/P)
- MATRIX
- Multiply n-band input by m x n matrix to get m-band output (B)
- MULTIPLY
- Compute the pixel-by-pixel product of up to ten images (B)
- NORMD
- Compute normalized difference for one or more band pairs (B)
- OVERLAY
- Create output image based on logical relation(s) between
greylevel ranges of corresponding pixels of input images (B)
- RGB2CMYK
- Convert RGB input image to CMYK output (B)
- TASSELCP
- Use tasselcap transform to get brightness, greenness, and
wetness bands (B)
- TRIG
- Compute arcsin, arccos, or arctan for one or two images (B)
Last change: 30 May 2007,
R. A. White / raw@essc.psu.edu