Patent ID: 11967044
Assignee: SILICON WORKS CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 13:
14. A method of upscaling resolution based on a slice image, the method comprising:
dividing a low-resolution input image and acquiring a plurality of low-resolution input slice images;
performing a convolution operation and a residual operation using a convolution filter having a predetermined size on an input feature map generated from the low-resolution input slice images through a convolutional neural network and generating an output feature map;
upscaling the output feature map and generating high-resolution output slice images; and
sequentially concatenating the high-resolution output slice images corresponding to the low-resolution input slice images and generating a high-resolution output image,
wherein the generating of the high-resolution output slice images includes performing a first convolution operation using a first-type convolution filter and a shuffle operation on the output feature map to upscale the output feature map by a factor of a predetermined multiple and,
wherein the first-type convolution filter has a size of a vertical receptive field being smaller than a size of a horizontal receptive field.