Hi all,
A third fascinating paper presented at the July 2014, Paris, GEIPAN workshop was titled "UAP photo/video Authentication and Analysis." It was authored by Francois Lounge, Antoine Cousyn, click here; and Geoff Quick, click here.
Authentication:
The authors propose that the first step is to determine if the image is an "authentic original." They provide definitions for both silver and digital photography. They then suggest a check of associated tags and markers; then a comparison with a technical camera database.
Identification of an artifact:
Is the image an external stimulus? Does it arise from lenses; on the photosensitive sensor or in the encoding process of the image file? Is it a fake or image montage?
Analysis and mensuration:
If there was an external stimulus, can it be linked to a material object or a "purely luminous phenomenon?" If it cannot be identified can we determine such things as "...distance from the camera; size; velocity; acceleration; color, energy..."
Tools for specificities of video:
Analysis of a video series of images can include flexible visualization, further image analysis, and frame de-interlacing.
IPACO:
Co-author Lounge has developed software (IPACO) to provide "...the UAP photo/video analyst with an easy-to-use dedicated tool which fulfils most of the requirements for in-depth investigations." IPACO works in English and in French.
Definitions:
The authors take time to define such terms as digital photography; metadata; and authentic original
photograph. Existing tools are reviewed and compression signatures are discussed. "IPACO provides a set of specific authentication functionality, which are divided into two parts..." Firstly, check all associated tags and markers. Secondly, comparison with a technical database of cameras.
Limits:
It is clear that "...one photo of a scene will not be able to provide all the information contained on the original scene..." Also, "...very quick movements may not be detected on a video, because of the limitations in temporal resolution."
Possible measurements:
These include such things as angular measurements; and distance assessment. An example analysis is given, namely the Chambley case of 2007. The image shows one dark, oval shaped object, in a photograph showing a number of balloons. The analysis suggested that it was "...probably a child's balloon."
IPACO's dedicated analysis tools:
These include "quick detection of lens flares"; "detection of a suspended thread;" 'detection of a Chinese lantern." Example photographs and analysis are given for each of these.
Comment:
This is an excellent, illustrated, comprehensive technical guide to authentication and analysis of UAP photography/videos. For the full paper click here. For more on IPACO and its services click here.
An examination of aspects of Unidentified Anomalous Phenomena (UAP) from a scientific perspective.
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