Authenticating image metadata elements using geolocation information and sun direction estimation

• Main Authors: Sudha, N., Kakar, Pravin
• Other Authors: IEEE International Conference on Multimedia and Expo (2012 : Melbourne, Australia)
• Format: Conference or Workshop Item
• Language: English
• Published: 2013
• Online Access: https://hdl.handle.net/10356/99151; http://hdl.handle.net/10220/12949
• Institution: Nanyang Technological University

Image metadata provides useful information for applications such as image retrieval, content description and geolocation. However, it is relatively easy to tamper with this data using metadata manipulation tools. In this paper, we address the issue of authenticating the time of capture of an image b...