There are approved patents, US 5,764,807, US 6,671,413, US 6,674,911, US 6,965,700, US 9,049,432, and US 10,003,822 by
William A. Pearlman, Amir Said, Asad Islam, and Yang Hu for SPIHT, SPECK, and some of the methods and
algorithms used in the demo programs.
For further information about licensing and applications of SPIHT, SPECK, and related technology,
- Dr. William A. Pearlman
Dept. of Electrical, Computer, and Systems Engineering
Rensselaer Polytechnic Institute
Troy, NY 12180-3590
mobile tel: (518) 522-7781
For technical questions about SPIHT and Fast Arithmetic and Huffman Coding, you may contact
- Dr. Amir Said
10555 Sorrento Valley Rd.
San Diego, CA 92121-1608
mobile tel: (408) 221-3952
Links to other pages.
SPIHT Home Page;
Properties of the Method
WWW Image Compression Resources