Add threshold, scale KW args to VJ detector
Add threshold, scale KW args to VJ detector

tianzhihen/openmv,iabdalkader/openmv,iabdalkader/openmv,openmv/openmv,openmv/openmv,kwagyeman/openmv,tianzhihen/openmv,tianzhihen/openmv,kwagyeman/openmv,iabdalkader/openmv,openmv/openmv,tianzhihen/openmv,openmv/openmv,SmartArduino/openmv,iabdalkader/openmv,kwagyeman/openmv,SmartArduino/openmv,kwagyeman/openmv,SmartArduino/openmv,SmartArduino/openmv