• AF core C model develop and maintain. o ISP pipe related design. o AF pre-process module. o AF statistic module. o AF trigger related and other module o AF simulator maintain• AF algorithm develop. o Compensation method for lens moving and sensor exposure overlapped. o Compensation method for zoom effect during AF seeking. o Dual FV search strategy. o Multi-zone AF development.• Customer support and training. o Onsite support: Meizu pro 7, Oppo F5, Samsung J2 prime. o Training course for support team.

• Image quality tuning. o Whole image pipe tuning including BLC, LSC, DPC, AE, AWB, AF, sharpness/noise, gamma. o Principle tuning IQ spec is Microsoft Lync-Unified and Chromebook IQ certification spec. o On-site tuning for customize IQ for well-known companies: Acer, Lenovo Yamoto Lab in Yokohama, Toshiba, Dell etc.• 3A maintain and develop. o In charge of the first tablet rear camera with AF and ROI AF function. o An auto focus compensation method for improve AF accuracy (Patent).• Debug for image related issue. o Familiar with much 3A hunting or unstable causes. o Familiar with AF blur analyze.• Sensor porting. o Co-work with major sensor players for sensor porting like OV, Hynix, Galaxy Core, Sony etc. o Familiar with sensor control: PLL, exposure, analog gain, digital gain, group, latch timing etc.• Customer on-site support. o Maintain relationship with customer and provide technical support.

• 3A maintain and develop.o Improve continue AF algorithm by dual statistic with different mask. The new method has much higher performance especially in 18x tele or macro side.• Image quality tuning.o Tuning with Ambarella a2i series.• DC iris control.o Implement AE controlled by exposure, gain and dc iris.

• Industry research & writing report.• Finance model estimation.

• AF function developing & maintain.o Create new AF feature (Face AF, Seamless AF etc).o AF timing review & analyze.o AF patent writing.o AF parameters tuning.o AF calibration related support.