Aggregated likelihood of unintentional touch input

A system for a touch-sensitive display device, comprising:

• a capacitive touch sensor configured to receive touch input and to output characteristics of the touch input;
• a touch controller configured to:
• extract a first set of features from a recognized touch input;
• perform a first stage of analysis, comprising:
• based at least on the first set of features extracted from the recognized touch input, determine a first likelihood that the recognized touch input is unintentional;
• compare the first likelihood that the recognized touch input is unintentional to a first confidence threshold;
• and
• responsive to the first likelihood being greater than the first confidence threshold, arrest the touch input;
• a sensor suite comprising one or more additional sensors, other than the capacitive touch sensor;
• a hand posture detector executed by one or more processors, the hand posture detector configured to:
• receive a second set of features extracted from outputs of the one or more additional sensors;
• responsive to the first likelihood being less than the first confidence threshold, initiate a second stage of analysis, including determining a second likelihood that the recognized touch input is unintentional, the second likelihood based on at least on the second set of features extracted from the outputs of the one or more additional sensors;
• and
• an aggregator executed by one or more processors, the aggregator configured to, as part of the second stage of analysis:
• receive the first set of features and the first likelihood from the touch controller;
• receive the second set of features from the hand posture detector;
• based on at least the first likelihood, the first set of features, and the second likelihood, determine an aggregate likelihood that the recognized touch input is unintentional;
• compare the aggregate likelihood that the recognized touch input is unintentional to a second confidence threshold;
• and
• responsive to the aggregate likelihood being greater than a second confidence threshold, arrest the touch input.

A system for a touch-sensitive display device, comprising:

• a capacitive touch sensor configured to receive touch input and to output characteristics of the touch input;
• a touch controller executed by one or more processesprocessors located within a touch processing kernel, the touch controller configured to:
• extract a first set of features from a recognized touch input;
• perform a first stage of analysis, comprising:
• based at least on the first set of features extracted from the recognized touch input, determine a first likelihood that the recognized touch input is unintentional;
• and
• compare the first likelihood that the recognized touch input is unintentional to a first confidence threshold;
• a sensor suite comprising one or more additional sensors other than the capacitive touch sensor;
• a hand posture detector executed by one or more processors located outside of the touch processing kernel, the hand posture detector configured to:
• receive a second set of features extracted from outputs of the one or more additional sensors via one or more side processes;
• and
• responsive to the first likelihood being less than the first confidence threshold, initiate a second stage of analysis, including determining a second likelihood that the recognized touch input is unintentional, the second likelihood based on at least the second set of features extracted from the outputs of the one or more additional sensors;
• and
• an aggregator executed by one or more processors located within the touch processing kernel, the aggregator configured to, as part of the second stage of analysis:
• receive the first set of features and the first likelihood from the touch controller;
• receive the second set of features from the hand posture detector;
• based on at least the first likelihood, the first set of features, and the second likelihood, determine an aggregate likelihood that the recognized touch input is unintentional;
• compare the aggregate likelihood that the recognized touch input is unintentional to a second confidence threshold;
• and
• responsive to the aggregate likelihood being greater than the second confidence threshold, arrest the touch input.