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LINGAYA’S INSTITUTE OF
MANAGEMENT AND TECHNOLOGY



   Technical Paper Presentation

                          Submitted by,
                             S.Rajasri
                          09NA1A0501
MIND READING COMPUTER
INTRODUCTION:
   People     express    their   mental    states,   including
    emotions, thoughts and desires, all the time through facial
    expressions, vocal nuances and gestures. This is true when
    they are interacting with machines

   Mind reading machine is co-ordination           of   human
    psychology and computer techniques.

   Some equipment are used to gather data & then analyzed.
    To use those data for further prediction of mind is known as
    theory of mind reading.
WHAT IS MIND READING?

   Drawing inspiration from psychology, computer vision and
    machine learning has developed mind reading machine
    computers.

   Using a digital video camera, the mindreading computer
    system analyzes a person’s facial expressions in real time
    and infers that person’s underlying mental state.

   Prior knowledge of how particular mental states are
    expressed in the face is combined with analysis of facial
    expressions and head gestures occurring in realtime,its very
    use full for future.
   Software from Nevenvision identifies 24 feature points on
    the face and tracks them in real time.

   The relationship between observable head and facial
    displays and the corresponding hidden mental states over
    time is modeled using Dynamic Bayesian Networks.
PROCESS OF MIND READING:
WHY MIND READING?

   The mind-reading computer system presents information
    about your mental state as easily as a keyboard and mouse
    present text and commands.

   Current projects in Cambridge are considering further
    inputs such as body posture and gestures to improve the
    inference.

   We are also looking at the use of mind-reading to support
    on-line shopping and learning systems.
   The mind-reading computer system may also be used to
    monitor and suggest improvements in human-human
    interaction.

   The Affective Computing Group at the MIT Media
    Laboratory is developing an emotional-social intelligence
    prosthesis that explores new technologies to augment and
    improve people’s social interactions and communication
    skills.

   To implement this system in cars to detect driver mental
    states such as drowsiness, distraction and anger.
HOW DOES IT WORKS?
Futuristic Head Band:
   The mind reading actually involves measuring the volume
    and oxygen level of the blood around the subjects brain,
    using technology called functional near-infrared
    spectroscopy(FNIRS).
   The user wears a sort of futuristic headband that sends light
    in that spectrum into the tissues of the head where it is
    absorbed by active, blood-filled tissues.
   The results are often compared to an MRI, but can be
    gathered with lightweight, noninvasive equipment.


   Wearing the FNIRS sensor, experimental subjects were
    asked to count the number of squares on a rotating onscreen
    cube and to perform other tasks.

   The subjects were then asked to rate the difficulty of the
    tasks, and their ratings agreed with the work intensity
    detected by the FNIRS system up to 83 percent of the time.
   Measuring mental workload, frustration and distraction is
    typically limited to qualitatively observing computer users.

   A computer program which can read silently spoken words
    by analyzing nerve signals in our mouths and throats, has
    been developed by NASA.

   Preliminary results show that using button sized sensors.

   "Biological signals arise when reading or speaking to
    oneself with or without actuallip or facial movement”.
RESULTS CAN BE EVALUATED IN THE
        FOLLOWING WAY
ADVANTAGES AND USES:
MIND CONTROLLED WHEELCHAIR:

   This prototype mind-controlled wheelchair developed from the
    University of Electro Communications in Japan.

   A little different from the Brain-Computer Typing machine, this
    thing works by mapping brain waves when you think about
    moving left, right, forward or back, and then assigns that to a
    wheelchair.

   his device doesn't give you MINDBULLETS (apologies to
    Tenacious D) but it does allow people who cant use other
    wheelchairs get around easier.
   The system could send commands to rovers on other
    planets, help injured astronauts control machines, or aid
    disabled people.

   The finding raises issues about the application of such tools
    for screeningsuspectedterrorists as well as for predicting
    future dangerousness more generally.

   The day when computers will be able to recognize the
    smallest units in the English language—the 40-odd basic
    sounds (or phonemes) out of which all words or verbalized
    thoughts can be constructed.
DISADVANTAGES AND PROBLEMS:
TAPPING BRAINS FOR FUTURE CRIME:

   Using computer algorithms and functional magnetic resonance
    imaging, or FMRI, the scientists were able to determine with
    70percent accuracy.

   Individual brains differ, so scientists need to study a subjects
    patterns before they can train a computer to identify those
    patterns or make predictions.

   In the Dec.19, 2006, issue of The Economist, an article
    questioned the scientific validity of the notion of free will:
    Individuals with particular congenital genetic characteristics
    are predisposed, if not predestined, to violence.
   Max Planck Institute, neuroscience and bioscience are not at a
    point where we can reliably predict human behavior.

   Nor is society ready to deal with the ethical and practical
    problems posed by a system that classifies and categorizes
    people based on oxygen flow, genetics and environmental factors
    that are correlated as much with poverty as with future
    criminality.

     In time, neuroscience may produce reliable behavior
    predictions. But until then, we should take the lessons of science
    fiction to heart when deciding how to use new predictive
    techniques.
CONCLUSION:
   Tufts University researchers have begun a three-year
    research project which, if successful, will allow computers
    to respond to the brain activity of the computers user.

   Users wear futuristic looking headbands to shine light on
    their foreheads, and then perform a series of increasingly
    difficult tasks while the device reads what parts of the brain
    are absorbing the light. That info is then transferred to the
    computer, and from there the computer can adjust it’s
    interface and functions to each individual.
Mind reading computer
Mind reading computer

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Mind reading computer

  • 1.
  • 2. LINGAYA’S INSTITUTE OF MANAGEMENT AND TECHNOLOGY Technical Paper Presentation Submitted by, S.Rajasri 09NA1A0501
  • 4. INTRODUCTION:  People express their mental states, including emotions, thoughts and desires, all the time through facial expressions, vocal nuances and gestures. This is true when they are interacting with machines  Mind reading machine is co-ordination of human psychology and computer techniques.  Some equipment are used to gather data & then analyzed. To use those data for further prediction of mind is known as theory of mind reading.
  • 5. WHAT IS MIND READING?  Drawing inspiration from psychology, computer vision and machine learning has developed mind reading machine computers.  Using a digital video camera, the mindreading computer system analyzes a person’s facial expressions in real time and infers that person’s underlying mental state.  Prior knowledge of how particular mental states are expressed in the face is combined with analysis of facial expressions and head gestures occurring in realtime,its very use full for future.
  • 6. Software from Nevenvision identifies 24 feature points on the face and tracks them in real time.  The relationship between observable head and facial displays and the corresponding hidden mental states over time is modeled using Dynamic Bayesian Networks.
  • 7. PROCESS OF MIND READING:
  • 8. WHY MIND READING?  The mind-reading computer system presents information about your mental state as easily as a keyboard and mouse present text and commands.  Current projects in Cambridge are considering further inputs such as body posture and gestures to improve the inference.  We are also looking at the use of mind-reading to support on-line shopping and learning systems.
  • 9. The mind-reading computer system may also be used to monitor and suggest improvements in human-human interaction.  The Affective Computing Group at the MIT Media Laboratory is developing an emotional-social intelligence prosthesis that explores new technologies to augment and improve people’s social interactions and communication skills.  To implement this system in cars to detect driver mental states such as drowsiness, distraction and anger.
  • 10. HOW DOES IT WORKS? Futuristic Head Band:  The mind reading actually involves measuring the volume and oxygen level of the blood around the subjects brain, using technology called functional near-infrared spectroscopy(FNIRS).  The user wears a sort of futuristic headband that sends light in that spectrum into the tissues of the head where it is absorbed by active, blood-filled tissues.
  • 11. The results are often compared to an MRI, but can be gathered with lightweight, noninvasive equipment.  Wearing the FNIRS sensor, experimental subjects were asked to count the number of squares on a rotating onscreen cube and to perform other tasks.  The subjects were then asked to rate the difficulty of the tasks, and their ratings agreed with the work intensity detected by the FNIRS system up to 83 percent of the time.
  • 12. Measuring mental workload, frustration and distraction is typically limited to qualitatively observing computer users.  A computer program which can read silently spoken words by analyzing nerve signals in our mouths and throats, has been developed by NASA.  Preliminary results show that using button sized sensors.  "Biological signals arise when reading or speaking to oneself with or without actuallip or facial movement”.
  • 13.
  • 14. RESULTS CAN BE EVALUATED IN THE FOLLOWING WAY
  • 15. ADVANTAGES AND USES: MIND CONTROLLED WHEELCHAIR:  This prototype mind-controlled wheelchair developed from the University of Electro Communications in Japan.  A little different from the Brain-Computer Typing machine, this thing works by mapping brain waves when you think about moving left, right, forward or back, and then assigns that to a wheelchair.  his device doesn't give you MINDBULLETS (apologies to Tenacious D) but it does allow people who cant use other wheelchairs get around easier.
  • 16. The system could send commands to rovers on other planets, help injured astronauts control machines, or aid disabled people.  The finding raises issues about the application of such tools for screeningsuspectedterrorists as well as for predicting future dangerousness more generally.  The day when computers will be able to recognize the smallest units in the English language—the 40-odd basic sounds (or phonemes) out of which all words or verbalized thoughts can be constructed.
  • 17. DISADVANTAGES AND PROBLEMS: TAPPING BRAINS FOR FUTURE CRIME:  Using computer algorithms and functional magnetic resonance imaging, or FMRI, the scientists were able to determine with 70percent accuracy.  Individual brains differ, so scientists need to study a subjects patterns before they can train a computer to identify those patterns or make predictions.  In the Dec.19, 2006, issue of The Economist, an article questioned the scientific validity of the notion of free will: Individuals with particular congenital genetic characteristics are predisposed, if not predestined, to violence.
  • 18. Max Planck Institute, neuroscience and bioscience are not at a point where we can reliably predict human behavior.  Nor is society ready to deal with the ethical and practical problems posed by a system that classifies and categorizes people based on oxygen flow, genetics and environmental factors that are correlated as much with poverty as with future criminality.   In time, neuroscience may produce reliable behavior predictions. But until then, we should take the lessons of science fiction to heart when deciding how to use new predictive techniques.
  • 19. CONCLUSION:  Tufts University researchers have begun a three-year research project which, if successful, will allow computers to respond to the brain activity of the computers user.  Users wear futuristic looking headbands to shine light on their foreheads, and then perform a series of increasingly difficult tasks while the device reads what parts of the brain are absorbing the light. That info is then transferred to the computer, and from there the computer can adjust it’s interface and functions to each individual.