• Occlusions and self-occlusions • Variations in camera angles and viewpoints • Domain shift (lab vs. real-world settings) • Small objects (e.g., hand pose estimation in full-body images)
• Occlusions and self-occlusions • Variations in camera angles and viewpoints • Domain shift (lab vs. real-world settings) • Small objects (e.g., hand pose estimation in full-body images)