hCaptcha Seaplane Recognition: Model Training and Testing
Records the training and testing practices for the hCaptcha seaplane recognition task, discussing sample annotation, overfitting issues, and …
captcha
What Will the Next Generation of CAPTCHA Look Like? A History of CAPTCHA and the Human-Machine Arms Race
Reviewing the evolution of CAPTCHA from character recognition to image recognition, discussing human-machine confrontation, user experience, …
hCaptcha Left-Flying Airplane Recognition: Image Processing Approach
Analyze the hCaptcha task of identifying left-flying airplanes, introducing an implementation approach that uses background complexity, …
hCaptcha Vertical River Recognition: Image Features and Implementation Approach
Analyze the hCaptcha vertical river image task, document observations of image features, recognition methods, and solution iterations, and …