2016/02/03 by Frank Nielsen, Nielsen, Frank
Computer Science · #Advanced Steganography and Watermarking Techniques #Computer Vision and Pattern Recognition (cs.CV) #FOS: Computer and information sciences #Image Retrieval and Classification Techniques #User Authentication and Security Systems #cs.CV
paper · pdf · doi:10.48550/arxiv.1602.01228
9 pages, 7 figures. to be published in french by Belin publisher for a collaborative book project on "Image and Communication"
arxiv created 2016/02/03 · openalex publication_date 2016/02/03 · arxiv updated 2016/02/04 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
A well-known old adage says that \em "A picture is worth a thousand words!" (attributed to the Chinese philosopher Confucius ca 500 years BC). But more precisely, what do we mean by information in images? And how can it be retrieved effectively by machines? We briefly highlight these puzzling questions in this column. But first of all, let us start by defining more precisely what is meant by an "Image."