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Patent US10365716
Issued 2019-07-30
Wearable Computing Apparatus And Method
A method is provided, performed by a wearable computing device comprising at least one bio-signal measuring sensor, the at least one bio-signal measuring sensor including at least one brainwave sensor, comprising: acquiring at least one bio-signal measurement from a user using the at least one bio-signal measuring sensor, the at least one bio-signal measurement comprising at least one brainwave state measurement; processing the at least one bio-signal measurement, including at least the at least one brainwave state measurement, in accordance with a profile associated with the user; determining a correspondence between the processed at least one bio-signal measurement and at least one predefined device control action; and in accordance with the correspondence determination, controlling operation of at least one component of the wearable computing device, such as modifying content displayed on a display of the wearable computing device. Various types of bio-signals, including brainwaves, may be measured and used to control the device in various ways.
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- 1. A method, performed by a wearable eyeglass frame comprising at least one bio-signal measuring sensor and a display, the at least one bio-signal measuring sensor including at least one electrophysiological sensor, the at least one electrophysiological sensor including at least one EOG sensor and at least one EEG sensor, comprising:
displaying at least one item on the display; acquiring bio-signal data from a user using the at least one bio-signal measuring sensor, the bio-signal data comprising electrophysiological data from the at least one electrophysiological sensor; processing the bio-signal data, in accordance with a profile associated with the user to compute at least one brainwave state measurement and at least one eye activity measurement, the at least one eye activity measurement computed using the electrophysiological data from the at least one EOG sensor, the at least one eye activity measurement based on changes in an electrical potential of the bio-signal data from the at least one EOG sensor, wherein the processing comprises detecting, within the at least one brainwave state measurement, an event related potential associated with the display of the at least one item; determining, using the at least one eye activity measurement, positions and times of eye movements between points of focus on elements in a scene, the scene including the display, and positions and times of eye gaze fixations on points of focus on elements in the scene; identifying a pattern of saccadic eye movement based on the eye movements and the eye gaze fixations; upon identification of the pattern, associating the pattern with a condition of saliences of elements of the scene to the user; determining a correspondence between the at least one brainwave state measurement, the eye movements, the eye gaze fixations, the saliences of elements of the scene to the user, and at least one predefined device control action; and in accordance with the determined correspondence, controlling operation of at least one component of the eyeglass frame by modifying or initiating the modification of an image displayed on the display.
- 13. A non-transitory computer program product tangibly embodying code that, when executed by a processor, causes the processor to:
display at least one object on a display of a wearable eyeglass frame; acquire bio-signal data from a user using at least one bio-signal measuring sensor, the at least one bio-signal measuring sensor including at least one electrophysiological sensor, the at least one electrophysiological sensor including at least one EOG sensor and at least one EEG sensor, the bio-signal data comprising electrophysiological data from the at least one electrophysiological sensor; process the bio-signal data in accordance with a profile associated with the user to compute at least one brainwave state measurement and at least one eye activity measurement, the at least one eye activity measurement computed using the electrophysiological data from the at least one EOG sensor, the at least one eye activity measurement based on changes in an electrical potential of the bio-signal data from the at least one EOG sensor, wherein the processing comprises detecting, within the at least one brainwave state measurement, an event related potential associated with the display of the at least one object; determine, using the at least one eye activity measurement, positions and times of eye movements between points of focus on elements in a scene, the scene including the display, and positions and times of eye gaze fixations on points of focus on elements in the scene; identify a pattern of saccadic eye movement based on the eye movements and the eye gaze fixations; upon identification of the pattern, associate the pattern with a condition of saliences of elements of the scene to the user; determine a correspondence between the at least one brainwave state measurement, the eye movements, the eye gaze fixations, the saliences of elements of the scene to the user, and at least one predefined device control action; and in accordance with the determined correspondence, control operation of at least one component of the wearable eyeglass frame by modifying or initiating the modification of an image displayed on the display.
- 14. A wearable eyeglass frame comprising:
at least one bio-signal measuring sensor, the at least one bio-signal measuring sensor including at least one electrophysiological sensor, the at least one electrophysiological sensor including at least one EOG sensor and at least one EEG sensor; a display; at least one data processor coupled to the at least one bio-signal measuring sensor; and a non-transitory computer-readable medium or media comprising computer-executable instructions configured to cause the at least one data processor to:
display at least one item on the display;
acquire bio-signal data from a user using the at least one bio-signal measuring sensor, the bio-signal data comprising electrophysiological data from the at least one electrophysiological sensor;
process the bio-signal data in accordance with a profile associated with the user to compute at least one brainwave state measurement and at least one eye activity measurement, the at least one eye activity measurement computed using the electrophysiological data from the at least one EOG sensor, the at least one eye activity measurement based on changes in an electrical potential of the bio-signal data from the at least one EOG sensor, wherein the processing comprises detecting, within the at least one brainwave state measurement, an event related potential associated with the display of the at least one item;
determine, using the at least one eye activity measurement, positions and times of eye movements between points of focus on elements in a scene, the scene including the display, and positions and times of eye gaze fixations on points of focus on elements in the scene;
identify a pattern of saccadic eye movement based on the eye movements and the eye gaze fixations;
upon identification of the pattern, associate the pattern with a condition of saliences of elements of the scene to the user;
determine a correspondence between the at least one brainwave state measurement, the eye movements, the eye gaze fixations, the saliences of elements of the scene to the user, and at least one predefined device control action; and
in accordance with the determined correspondence, control operation of at least one component of the eyeglass frame by modifying or initiating the modification of an image displayed on the display.
