Representation of voxel data (IMAGE) Beijing Zhongke Journal Publising Co. Ltd. Caption Voxel is a basic unit in a three-dimensional digital image, similar to a pixel in a two-dimensional image.Voxel data represents the volume element of a small cube in space, and can effectively represent and process three-dimensional spatial data. Credit Beijing Zhongke Journal Publising Co. Ltd. Usage Restrictions Credit must be given to the creator. License CC BY Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.