A method for operating a sensor surface, comprising: detecting an initial position of a stylus relative to the sensor surface ; determining initial coordinate values based on the detected initial position of the stylus; communicating the initial coordinate values for further processing; determining subsequent coordinate values based on a subsequent position of the stylus detected after detecting the initial position; the method is characterized by further comprising determining whether the distance between the initial coordinate values and the subsequent coordinate values is within a threshold distance; and when the distance between the initial coordinate values and the subsequent coordinate values is within the threshold distance, modifying the subsequent coordinate values by replacing the subsequent coordinate values with the initial coordinate values; wherein the modified coordinate values are communicated to an application program or an operating system for further classification of stylus movement based on the modified coordinate values in place of the determined subsequent coordinate values; wherein the method further comprises setting or modifying a threshold including the threshold distance based on - a friction characteristic of the stylus in contact with the sensor surface , or - a situational usage of one or both of the stylus or the sensor surface , or - a parameter representing a stylus tip of the stylus , or - a parameter of the sensor surface , wherein the parameter represents a characteristic of the surface contacted by the stylus . detecting an initial position of a stylus relative to the sensor surface ; determining initial coordinate values based on the detected initial position of the stylus; communicating the initial coordinate values for further processing; determining subsequent coordinate values based on a subsequent position of the stylus detected after detecting the initial position; the method is characterized by further comprising determining whether the distance between the initial coordinate values and the subsequent coordinate values is within a threshold distance; and when the distance between the initial coordinate values and the subsequent coordinate values is within the threshold distance, modifying the subsequent coordinate values by replacing the subsequent coordinate values with the initial coordinate values; wherein the modified coordinate values are communicated to an application program or an operating system for further classification of stylus movement based on the modified coordinate values in place of the determined subsequent coordinate values; wherein the method further comprises setting or modifying a threshold including the threshold distance based on - a friction characteristic of the stylus in contact with the sensor surface , or - a situational usage of one or both of the stylus or the sensor surface , or - a parameter representing a stylus tip of the stylus , or - a parameter of the sensor surface , wherein the parameter represents a characteristic of the surface contacted by the stylus . - a friction characteristic of the stylus in contact with the sensor surface , or - a situational usage of one or both of the stylus or the sensor surface , or - a parameter representing a stylus tip of the stylus , or - a parameter of the sensor surface , wherein the parameter represents a characteristic of the surface contacted by the stylus . <EOS>