The following publications are possibly variants of this publication:
- An improved fast encoding algorithm for vector quantization using 2-pixel-merging sum pyramid data structureZhibin Pan, Koji Kotani, Tadahiro Ohmi. prl, 25(4):459-468, 2004. [doi]
- A memory-efficient fast encoding method for vector quantization using 2-pixel-merging sum pyramidZhibin Pan, Koji Kotani, Tadahiro Ohmi. icassp 2004: 669-672 [doi]
- Recursive computation method for fast encoding of vector quantization based on 2-pixel-merging sum pyramid data structureZhibin Pan, Koji Kotani, Tadahiro Ohmi. prl, 26(11):1684-1690, 2005. [doi]
- A Fast Encoding Method for Vector Quantization Based on 2-Pixel-Merging Sum Pyramid Data StructureZhibin Pan, Koji Kotani, Tadahiro Ohmi. ieiceta, 86-A(9):2419-2423, 2003. [doi]
- A fast search method for vector quantization using 2-pixel-merging sum pyramid in recursive wayZhibin Pan, Koji Kotani, Tadahiro Ohmi. eusipco 2004: 1309-1312 [doi]