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posted by janrinok on Friday July 24 2015, @10:58AM   Printer-friendly
from the or-so-they-say dept.

An Anonymous Coward informs us that the 17th ACM International Conference on Multimodal Interaction will be taking place in Seattle on 13 November. The goal of the Conference is:

... to provide the participants with a forum to foster the dissemination of ideas on computational and behavioral methodologies for deception detection.

The AC points out that, in a call for papers, it specifically says:

The 2015 ACM Workshop on Multimodal Deception Detection [...] will focus on multimodal and interdisciplinary approaches to deception detection, as well as approaches that utilize a single modality with clear potential for integration with additional modalities. Deception detection has received an increasing amount of attention due to the significant growth of digital media, as well as increased ethical and security concerns. Earlier approaches to deception detection were mainly focused on law enforcement applications and relied on polygraph tests, which had proven to falsely accuse the innocent and free the guilty in multiple cases. More recent work on deception has expanded to other applications, such as deception detection in social media, interviews, or deception in day-by-day interactions. Moreover, recent research on deception detection has brought together scientists from fields as diverse as computational linguistics, speech processing, computer vision, psychology, and physiology, which makes this problem particularly appealing for multimodal processing.

In the opinion of the AC, Multimodal Interaction researchers will be trying, in effect, to build a better lie detector at the ACM Workshop, held as part of the International Conference on Multimodal Interaction. Researchers are aiming for quantitative methods of deception detection by using modalities such as "text, speech, thermal, and visual," with application areas to include "healthcare, law enforcement, and others."

For those of you who remember '1984', senior research director O'Brien, affiliated with the Ministry of Love, passionately described in detail his future vision for the ideal lie detector, which includes a dial with a lever on top and figures running round the face, "able to inflict pain at any moment and to whatever degree I choose," according to O'Brien.

What are your views?


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  • (Score: 3, Interesting) by Spook brat on Friday July 24 2015, @09:35PM

    by Spook brat (775) on Friday July 24 2015, @09:35PM (#213347) Journal

    I've met polygraph operators, and been briefed on what to expect as results from a polygraph-assisted interview. Short version? The machine is a prop used to give extra credibility to the skills of a highly-trained interrogator. It is basically a machine-assisted interrogation approach, [army.mil] combining the "emotional fear-up", "emotional futility", and "direct" approaches. If the subject is convinced the machine works then they will (hopefully) answer truthfully out of fear of making things worse if they lie, and there not being a point in trying to lie because the machine works. In reality, the interrogator is still constantly observing for signs of deception in the responses and non-polygraph body language of the interview subject, and the machine's output is interpreted subjectively.

    If there's value in making a new, better machine then it would be simply an improved prop; we need something to shore up the test's eroded image of being infallible. Today we know that the machine can be beat with minimal training, and that guilty-as-sin people like Aldrich Ames [fas.org] managed to pass multiple polygraph tests while passing vast amounts of information to the Russians during the cold war. I'm not convinced that a new toy would make a difference there, to be completely honest.

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  • (Score: 0) by Anonymous Coward on Friday July 24 2015, @11:52PM

    by Anonymous Coward on Friday July 24 2015, @11:52PM (#213383)

    That was a rhetorical question. Nobody cares what you think.