Hi. My name is Sergey S. Krivenko. I have PhD degree in remote sensing. So I have experience in digital signals processing (medical noninvasive devices analisys- glucometers, cardiographs and so on) and images processing (filtering, compression, visual quality prognosis and so on). You can find my work using Google (Krivenko DCT, Krivenko glucometer,Krivenko visual quality) or IEEE Xplore by author search engine. Some works present on Research Gate.