590AC_WK2_Lec_3_Expression(2).pptx - CMPSCI 590AC 2-3 1...

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CMPSCI 590AC 2-3 1 590AC 2-3 Week 2: Lecture 3 Expression of Emotions by Machines July 22, 2016
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CMPSCI 590AC 2-3 2 (from Breazeal, 2003 – adapted from Russell, 1997)
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CMPSCI 590AC 2-3 3 Readings Refer back to: - Picard, Affective Computing, Chapter 6 - Hudlicka, 2005: Affect Sensing and Recognition: State-of-the- Art Overview (on B’board) Schroder et al., 2001. EmotionML – an upcoming standard for representing emotions and related states (on B’board) El-Nasr, Ioerger, Yen, House, Parke (1999): Emotionally Expressive Agents (on B’board)
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CMPSCI 590AC 2-3 4 Optional Readings There are a number of optional supplemental readings on the B’board (see updated syllabus) You are not expected to read these, but I encourage you to glance at the papers, to get a sense of the detailed processes involved in emotion expression & its applications in agents
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CMPSCI 590AC 2-3 5 Homework Homework #3: (Due 7-22, 8am) Posted on B’board in the “Homeworks” folder Email me with any questions & feel free to post questions & thoughts on the Discussion board Email homework to me at: [email protected]
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CMPSCI 590AC 2-3 6 Outline Overview of emotion expression & its applications Examples of virtual characters & robots Review of common framework for emotion recognition & expression Stages in Emotion expression Identify a unique, multi-modal emotion signature Characterize in terms of channel-specific semantic primitives Select & specify output format required to convey the emotion (markup languages; level of feature aggregation) Render / express emotion on “output device” Tools Ethical issues Challenges
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CMPSCI 590AC 2-3 7 Overview: A Few Questions Re: Emotion Expression by Machines What does it mean for a computer to ‘express emotions’? When might such capabilities be useful in Human-computer interaction in general? Robots? Virtual agents? Can computers (robots, agents) feel emotions? Is it ethical & appropriate for synthetic agents to express emotions? To children? the elderly? the disabled?
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CMPSCI 590AC 2-3 8 What Does it Mean for a Machine to Express Emotion(s)? Machine emotion expression: Ability of machines to depict behavior & expressions that are interpreted by humans (or other machines) as indicative of a particular emotion Computers, robots, virtual agents, non-playing game characters…. can depict affective expressions & behavior But that does not mean they ‘feel’ emotions in any way that is similar to how humans feel emotions In spite of this, we can react emotionally to a machine’s expression of emotions We seem to be wired to react emotionally…. This capability, plus emotion expression by machines, can be used to enhance our interaction with machines & synthetic agents
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CMPSCI 590AC 2-3 9 When Should Machines & Synthetic Agents Express Emotions?
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