Explainer: how law enforcement decodes your photos
Richard Matthews’ 2017 explanation of image forensics, metadata and camera identification, republished from The Conversation.
Topic
Sensor pattern noise
7 items from the laboratory.
Isolating lens effects from source camera identification using sensor pattern noise
Research separating contributions from camera optics and sensor behaviour when evaluating image-source characteristics.
Challenges in authenticating synthetic media: forensic insights from 6,000 DALL·E-generated images
Experimental research evaluating image-origin characteristics in camera and DALL·E-generated images.
Determining Image Sensor Temperature Using Dark Current
Research on dark current and image-sensor temperature, forming part of the laboratory’s sensor-pattern research foundation.
Reverse Engineering the Raspberry Pi Camera V2: A study of Pixel Non-Uniformity using a Scanning Electron Microscope
Research into pixel non-uniformity in the Raspberry Pi Camera V2, using scanning electron microscopy.
An analysis of optical contributions to a photo-sensor’s ballistic fingerprints
Research examining optical contributions to image-sensor fingerprints.
Towards a unified theory of sensor pattern noise
Doctoral research on dark current, lens effects and temperature bias in CMOS image sensors.