Estimation of the Captcha Skew Orientation with Log-Polar Transformation

CC-BY-NC-NDBrodić, DarkoMilivojević, ZoranMilivojević, Dragan2023-12-272023-12-2720121314-1023https://repozitorijum.tfbor.bg.ac.rs/handle/123456789/4952abstractenEstimation of the Captcha Skew Orientation with Log-Polar TransformationconferenceObject