Character recognition in air-writing based on network of radars Grant US-11686815-B2 United States of America 27 Jun 2023
Character recognition in air-writing based on network of radars Grant US-11126885-B2 United States of America 21 Sep 2021
Method and apparatus for encoding image by using quantization table adaptive to image Grant US-11122267-B2 United States of America 14 Sep 2021