Definition: Actinography, also known as actigraphy or photographic actigraphy, refers to the process of photographically documenting acts of human motion using light. It involves a series of photographs taken in sequence, typically with a lens placed at a distance from the subject, allowing for an accurate and detailed record of their movements. The actigraphy technique is commonly used in forensic science and criminal justice, but it has also been used in non-criminal settings to document various activities such as medical procedures, public speeches, or personal photographs. Actinography can be used to capture both natural movements (such as walking, running, and jumping) and human actions. It involves the use of a camera, light source, and a photographic film process. The actigraphy is typically conducted with a pair of binoculars, or other suitable optical devices, placed at a distance from the subject. These binoculary lenses focus on the eyes of the subjects, allowing them to be photographed from different angles while maintaining their natural state. The objective of actigraphy is to record the movement in real time and document it for analysis purposes. The photographs are taken over several seconds or minutes, with each frame being a snapshot of the subject's actions. This process ensures that the motion is captured accurately without artifacts such as blurring due to lighting conditions or movement blur. Actinography can be used for various forensic investigations, including crime scenes, medical procedures, and public speeches. It has been used extensively in many legal systems worldwide to document evidence and evidence-related events.

actinography