Apple Inc. (Cupertino, CA)

The process of detecting touch using a mirror accessory may include obtaining first image data comprising the object that is touched and a target surface wherein the first image data captures a view of the object touching it and the surface of the target from the viewpoint of a camera. Then, it is possible to obtain second image data that includes the object touching it and the target surface wherein the second image data includes the object that has been touched and the target surface as a reflection in a mirror which is distinct from the target surface, determining a position of the mirror in the scene, and determining a pose of the touching object in the scene based on the initial image data and the second image information, and the position of the mirror, and estimating a touch status between the object touching and the target surface based on the determined pose of the object and the pose of the target surface.

This disclosure is general in nature and pertains to touch detection.

Electronic devices nowadays offer a variety of options for users to interact with their environment. Users can interact with electronic devices using keyboards, trackballs and joysticks and also via virtual or physical keyboards. A common way for users to interact with information stored on their device is through the use of a touch screen interface. Touch screen interfaces allow the user to directly interact with the display surface by using fingers, stylus or any other object. A touch sensorrecognizes the area that was touched and sends a message to the user.

Mixed reality environments are getting more and more popular. The majority of users use an other input methods to permit virtual objects to interact communicate with actual objects. As an example the user can be able to touch an actual object to communicate with the real object in an immersive manner. Real objects rarely have sensors for detecting any touch by users. While cameras are able to be used for visual touch detection, often a camera cannot provide enough information to enable accurate detection of touch.

One example describes a method for touch detection. One embodiment of the method of detecting touch includes capturing first image data which includes a touch object as well as a target. This is captured from a first perspective. The second image data is also recorded and includes the touching object as well as the surface that is targeted, but the second image data is captured as a reflection of a mirror that is not connected to the surface that is targeted. This method includes the determination of the position of the mirror and the opposing touch object within the scene using the first and second image data. Then a touch status between the touching object in the target surface may be estimated based on the determined pose of thetouching object in the pose of the target surface.

In another way the method can be embodied in computer executable program code and stored in an untransitory storage device. A different embodiment of the method is that it can be implemented on an electronic device.

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