Systems and methods for parallax compensation

摘要

An electronic device may include a touch screen electronic display configured to offset and/or shift the contact locations of touch implements and/or displayed content based on one or more calculated parallax values. The parallax values may be associated with the viewing angle of an operator relative to the display of the electronic device. In various embodiments, the parallax value(s) may be calculated using three-dimensional location sensors, an angle of inclination of a touch implement, and/or one or more displayed calibration objects. Parallax values may be utilized to remap contact locations by a touch implement, shift and/or offset displayed content, and/or perform other transformations as described herein. A stereoscopically displayed content may be offset such that a default display plane is coplanar with a touch surface rather than a display surface. Contacts by a finger may be remapped using portions of the contact region and/or a centroid of the contact region.

主权项

1. An electronic device, comprising:
an electronic display configured to display content; a touch screen digitizer having a touch surface aligned with the electronic display, the digitizer configured to detect contacts by a touch implement with the touch surface; a location sensor configured to determine location information of a head of an operator relative to the electronic display by determining a line-of-sight vector of the operator to the touch surface that intersects a broad, un-tapered point on the touch implement; and a non-transitory computer readable storage medium storing instructions that, when executed by a processor, are configured to cause the processor to:
receive a first contact location of the touch implement with the touch surface;determine a first perceived contact location of the touch implement with the electronic display based on the location information of the head of the operator when the first contact location was received;identify a portion of the displayed content corresponding to the first perceived contact location of the touch implement with the electronic display;receive a second contact location of the touch implement with the touch surface;determine a second perceived contact location of the touch implement with the electronic display based on the location information of the head of the operator when the second contact location was received; andshift the portion of the displayed content corresponding to the first perceived contact location to the second perceived contact location, wherein an offset from the first perceived contact location to the first contact location is different than an offset from the second perceived contact location to the second contact location.