Display Positioning System

Abstract

A display positioning system is described. In an example implementation, the display positioning system includes an adapter adapted to redirect a field of view of a video capture device of a computing device; and a stand adapted to situate on a surface, the stand including one or more legs that are adjustable to modify a distance between the video capture device of the computing device and the surface when the computing device is placed on the stand to adjust the field of view of the video capture device.

What is claimed is: 
     
         1 . A display positioning system comprising:
 an adapter adapted to redirect a field of view of a video capture device of a computing device; and   a stand adapted to situate on a surface, the stand including one or more legs that are adjustable to modify a distance between the video capture device of the computing device and the surface when the computing device is placed on the stand to adjust the field of view of the video capture device.   
     
     
         2 . The display positioning system of  claim 1 , wherein:
 the stand includes a first portion connected to a second portion to form a stand channel adapted to receive the computing device; and   the first portion includes a first leg retractable to a retracted position inside the first portion and extendable to an extended position outside the first portion.   
     
     
         3 . The display positioning system of  claim 2 , wherein:
 the video capture device of the computing device is located at a first distance from the surface when the first leg is at the retracted position and located at a second distance from the surface when the first leg is at the extended position, the second distance is higher than the first distance.   
     
     
         4 . The display positioning system of  claim 2 , wherein:
 the first portion includes a retaining element coupleable to a first receiving element of the first leg to retain the first leg at the retracted position and coupleable to a second receiving element of the first leg to retain the first leg at the extended position; and   the first portion includes a release button adapted to disengage the retaining element of the first portion from the first receiving element or the second receiving element of the first leg to release the first leg from the retracted position or the extended position.   
     
     
         5 . The display positioning system of  claim 2 , wherein:
 the first portion includes a spring element coupled to the first leg to reposition the first leg, the spring element adapted to extend the first leg from the retracted position when the first leg is released from the extended position and retract the first leg from the extended position when the first leg is released from the extended position.   
     
     
         6 . The display positioning system of  claim 2 , wherein:
 the first leg is extendable to a first extended position corresponding to a first computing device and extendable to a second extended position corresponding to a second computing device, the first computing device having a device size different from the second computing device; and   a distance between a video capture device of the first computing device placed in the stand channel and the surface when the first leg is at the first extended position is substantially equal to a distance between a video capture device of the second computing device placed in the stand channel and the surface when the first leg is at the second extended position.   
     
     
         7 . The display positioning system of  claim 6 , wherein:
 the first leg includes a first label indicating an extended portion of the first leg corresponding to the first computing device and a second label indicating an extended portion of the first leg corresponding to the second computing device.   
     
     
         8 . The display positioning system of  claim 2 , wherein:
 the first portion is connected to the second portion at the stand channel to form a space between the first portion and the second portion that is underneath the stand channel.   
     
     
         9 . The display positioning system of  claim 8 , wherein:
 the space is located between an inner surface of the first portion and an inner surface of the second portion; and   the first portion includes a release button positioned on the inner surface of the first portion.   
     
     
         10 . The display positioning system of  claim 2 , wherein:
 the first portion includes a visual indicator indicating a current position of the first leg, the visual indicator being positioned on the first portion and located within the field of view of the video capture device.   
     
     
         11 . The display positioning system of  claim 9 , wherein:
 the visual indicator includes a first marker that is visually detectable when the first leg is at the retracted position and visually undetectable when the first leg is at the extended position.   
     
     
         12 . The display positioning system of  claim 10 , wherein:
 the visual indicator includes a second marker that is visually detectable, the second marker indicating a type of the stand.   
     
     
         13 . The display positioning system of  claim 10 , wherein:
 the first marker is coupled to the first leg;   the first leg extends the first marker upward through a marker slot on a top surface of the first portion and causes the first marker to be visually detectable to the video capture device at the marker slot when the first leg is at the retracted position; and   the first leg retracts the first marker downward through the marker slot and causes the first marker to be visually undetectable to the video capture device at the marker slot when the first leg is at the extended position.   
     
     
         14 . The display positioning system of  claim 9 , wherein:
 the visual indicator includes a first extension marker and a second extension marker; and   a visual detectability of the first extension marker to the video capture device changes when the first leg reaches a first extended position; and   a visual detectability of the second marker to the video capture device changes when the first leg reaches the second extended position.   
     
     
         15 . The display positioning system of  claim 2 , wherein:
 the computing device is positioned at a leaning angle when the computing device is placed in the stand channel and rests against the second portion, a height dimension of the second portion being higher than a height dimension of the first portion.   
     
     
         16 . A method comprising:
 capturing, using a video capture device of a computing device, a video stream that includes an activity scene of a physical activity surface, the computing device being situated in an adjustable stand on the physical activity surface;   detecting in the video stream, using a detector executable on the computing device, a visual indicator positioned on the adjustable stand;   determining a configuration of the adjustable stand based on the visual indicator;   determining a calibration profile corresponding to the configuration of the adjustable stand; and   processing the video stream using the calibration profile to detect a tangible object in the video stream.   
     
     
         17 . The method of  claim 16 , wherein:
 the calibration profile includes a distance attribute indicating a distance between the video capture device and the physical activity surface and a tilt attribute indicating a tilt angle of the video capture device; and   processing the video stream includes processing the video stream using one or more of the distance attribute and the tilt attribute in the calibration profile.   
     
     
         18 . The method of  claim 16 , wherein:
 the adjustable stand includes one or more adjustable legs; and   determining the configuration of the adjustable stand includes determining a current position of the one or more adjustable legs based on the visual indicator.   
     
     
         19 . The method of  claim 16 , further comprising:
 determining that the configuration of the adjustable stand is different from a predefined configuration;   determining an adjustment parameter for one or more adjustable legs of the adjustable stand based on the predefined configuration; and   displaying to a user an instruction to adjust the one or more adjustable legs based on the adjustment parameter.   
     
     
         20 . A display positioning system comprising:
 an adjustable stand situated on a physical activity surface and adapted to receive a computing device;   a video capture device coupled to the computing device and adapted to capture a video stream that includes an activity scene of the physical activity surface;   a detector executable on the computing device to detect in the video stream a visual indicator positioned on the adjustable stand; and   a calibrator executable on the computing device to:
 determine a configuration of the adjustable stand based on the visual indicator; 
 determine a capture position of the video capture device based on the configuration of the adjustable stand; and 
 process the video stream using a calibration profile corresponding to the capture position of the video capture device to detect a tangible object in the video stream.