Display device and operating method thereof

A display device comprising:

• a communication interface;
• memory storing one or more instructions;
• and
• at least one processor configured to execute the one or more instructions stored in the memory to:
• obtain a lightweight convolutional neural network with a reduced bit width of weights;
• and
• input input data to the lightweight convolutional neural network and perform neural network computations to obtain output data,
• wherein the neural network computations comprise:
• determining a shift distance based on a value of input feature data;
• performing a shift operation to reduce a bit width of the input feature data based on the shift distance;
• performing a convolution operation on the input feature data with the reduced bit width and the weights with the reduced bit width, wherein the convolution operation comprises a shift operation of restoring the bit width;
• and
• obtaining output feature data with the restored bit width.

A non-transitory computer-readable recording medium having recorded thereon a program for causing a display device to perform a method, the method including:

• obtaining a lightweight convolutional neural network with a reduced bit width of weights;
• and
• inputting input data to the lightweight convolutional neural network and performing neural network computations to obtain output data,
• wherein the neural network computations comprise:
• determining a shift distance based on a value of input feature data;
• performing a shift operation to reduce a bit width of the input feature data based on the shift distance;
• performing a convolution operation on the input feature data with the reduced bit width and the weights with the reduced bit width, wherein the convolution operation comprises a shift operation of restoring the bit width;
• and
• obtaining output feature data with the restored bit width.