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1. A display device comprising: pixels connected to a data line and a sensing line; a data driver configured to supply one of an image data signal and a sensing data signal to the data line; a sensing unit configured to supply an initialization voltage to at least one of the pixels through the sensing line and obtaining a sensing current value from at least one of the pixels through the sensing line; and a compensator configured to generate compensation image data according to a sensing pixel current value among the sensing current value using an artificial neural network model learned to output reference image data corresponding to at least one reference sensing current value among the sensing current value, wherein: the sensing unit supplies a preset reference initialization voltage among the initialization voltage to the pixels, and obtains the at least one reference sensing current value; the at least one reference sensing current value includes a first reference sensing current value and a second reference sensing current value; the sensing unit supplies a preset first reference initialization voltage and a preset second reference initialization voltage among the initialization voltage to the pixels, and obtains the first reference sensing current value corresponding to the preset first reference initialization voltage and the second reference sensing current value corresponding to the preset second reference initialization voltage from each of the pixels; the artificial neural network model includes an input layer, a hidden layer, and an output layer to which artificial neurons are combined; the input layer receives the first reference sensing current value and the second reference sensing current value for each pixel among the pixels; and the output layer outputs the reference image data corresponding to the first reference sensing current value and the second reference sensing current value.
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