Lavu, SridharChoi, HyeokhoBaraniuk, Richard G.2007-10-312007-10-312003-06-012003-06-01S. Lavu, H. Choi and R. G. Baraniuk, "Geometry Compression of Normal Meshes using Rate-Distortion Algorithms," 2003.https://hdl.handle.net/1911/20051Conference PaperWe propose a new rate-distortion based algorithm for compressing 3D surface geometry represented using triangular normal meshes. We apply the Estimation-Quantization (EQ) algorithm to compress normal mesh wavelet coefficients. The EQ algorithm models the wavelet coefficients as a Gaussian random field with slowly varying standard deviation that depends on the local neighborhood and uses rate-distortion optimal scalar quantizers. We achieve gains of 0.5 to 1 dB with the EQ algorithm compared to the recently proposed zerotree compression for normal meshes.engNormal meshesestimation-qunatizationgeometry compressionWavelet based Signal/Image ProcessingMultiscale MethodsSignal Processing ApplicationsMultiscale geometry processingConference paperNormal meshesestimation-qunatizationgeometry compression