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Published byBrooke O’Neal’ Modified over 9 years ago
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AN HO IMDL SPRING 2014 D-Rex The Friendly Robot
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Inspiration Robot Pet Act more like a real pet Can be train Respond to command How to do it? Voice command Vision
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The System Raspberry Pi Pocketsphinx Soundcard Microphone OpenCV Camera Microcontroller ServosMotors
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Pocketsphinx Record Write to.wav Read.wavProcessing What word is it? Send command to micro- controller Run on a loop Execute a command and then return to listening Check against a small custom dictionary Speed up processing time
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Microphone Change
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Speech Recognition Status Program run fine most of the time under ideal condition Under noisier environment, the program register incorrect Added a cue for when it is recording The RPi says “Ready” Plan on adding a keyword before command Ex: “Dexter Find Green Ball”
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Vision with OpenCV Objective: Complete various tasks based on speech command: Roam around randomly, say hello when stopped in track Look for a specified colored target Tracking target
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OpenCV Status Low frame rate Decent enough for locating a fixed location target Change in lightning require recalibration Will run a manual calibration program to get correct value Not automated Sending the x/y location to the microcontroller is not working Minor UART software problem
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