Handwriting-Based Tool Offers Alternate Lie Detection Method
For ages experts and laymen have been analyzing and trying to crack the code of handwriting characteristics, in order to detect an individual’s personality traits, or in most cases, gauge their innocence in the case of a crime. Although this science has often gone the way of pseudoscience, researchers are now discovering that with the aid of a computerized tool, handwriting characteristics can be measured more effectively.
The research, headed by Gil Luria and Sara Rosenblum at the University of Haifa utilized a computerized tablet that measured the physical properties of the subject’s handwriting, which are difficult to consciously control (for example: the duration of time that the pen is on paper versus in the air, the length height and width of each writing stroke, the pressure implemented on the writing surface). They have found that these handwriting characteristics differ when an individual is in the process of writing deceptive sentences as opposed to truthful sentences.
The handwriting tool has the potential to replace, or work in tandem, with popular, verbal-based lie detection technology such as the polygraph to ensure greater accuracy and objectivity in law enforcement deception detection. Additionally, polygraphs are often intrusive to the subject and sometimes inconclusive. The handwriting tool therefore provides ease and increased accuracy over common, verbal-based methods.
Photo by RXAphotos. CC Attribution-Noncommercial-No Derivative Works 2.0 Generic
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Enhanced Video Technology Will Aid Crime and Terror Investigations
Professor Leonid Yaroslavsky is a researcher at Tel Aviv University. (Credit: AFTAU)
It’s a frequent scene in television crime dramas: Clever police technicians zoom in on a security camera video to read a license plate or capture the face of a hold-up artist. But in real life, enhancing this low-quality video to focus in on important clues hasn’t been an easy task. Until now.
Prof. Leonid Yaroslavsky of Tel Aviv University and his colleagues have developed a new video “perfection tool” to help investigators enhance raw video images and identify suspects. Commissioned by a defense-related company to improve what the naked eye cannot see, the tool can be used with live video or with recordings, in color or black-and-white.
“This enhancement of resolution can be a critical factor in locating terrorists or identifying criminal suspects,” says Prof. Yaroslavsky. His team’s findings were recently published in Optical Letters and the Journal of Real Time Image Processing. (more…)
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