18889565. METHOD AND APPARATUS FOR COMPRESSING 3-DIMENSIONAL VOLUME DATA (Electronics and Telecommunications Research Institute)

METHOD AND APPARATUS FOR COMPRESSING 3-DIMENSIONAL VOLUME DATA

Organization Name

Electronics and Telecommunications Research Institute

Inventor(s)

Soo Woong Kim of Sejong-si KR

Gun Bang of Daejeon KR

Ji Hoon Do of Daejeon KR

Seong Jun Bae of Daejeon KR

Jin Ho Lee of Daejeon KR

Ha Hyun Lee of Daejeon KR

Jung Won Kang of Daejeon KR

METHOD AND APPARATUS FOR COMPRESSING 3-DIMENSIONAL VOLUME DATA

This abstract first appeared for US patent application 18889565 titled 'METHOD AND APPARATUS FOR COMPRESSING 3-DIMENSIONAL VOLUME DATA

Original Abstract Submitted

This disclosure provides a method and apparatus for compressing 3-dimensional volume data. The method for encoding a TSDF volume may comprise: lossily encoding magnitude information of a Truncated Signed Distance Field (TSDF) volume based on a hyperprior model; and losslessly encoding sign information of the TSDF volume based on the hyperprior model, wherein the lossy encoding comprises selecting and entropy-encoding some elements from a latent vector for the TSDF volume based on selection information obtained through the hyperprior model.