A conventional touch device that exhibits detection performance varying with location thereon is required to have a modified structure for compensating for changes in detection performance with location. For example, such conventional touch devices suffer from the problem that a structural design change is required for each different type of touch device, resulting in increased cost, etc., which prevents easy compensation for changes in detection performance. The detection performance compensation device according to the present invention has provided therein: an acquisition unit (15) which acquires, from an input signal detection unit (14), a location where an input signal has been received, wherein the input signal detection unit (14) has detection performance varying with location and detects a location where an input signal has been received; a compensation table (16a) which specifies different amounts of compensation for different locations; a compensation unit (17a) which performs compensation calculation for each of the different locations on the basis of the detected location where the input signal has been received and the compensation table (16a); and a determination unit (18a) which, on the basis of the results of compensation calculation performed by the compensation unit (17a), determines whether a touch has been made.
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