MT6757_Dual_Cam_VSDoF_Refocus_PreCheck_and_Tuning
1. Dualcam Bokeh Introduction
名词解释
什么是场的深度?
景深
焦点前后各有一个容许弥散圆,这两个弥散圆之间的距离就叫焦深。以此推到被摄主体,相对于对焦点的前后,其影像也有一段清晰范围的就是景深。
VSDoF : 实时景深,可在手机预览/拍照时实现大光圈淺景深效果
VSDoF : 可在手機拍照时实现大光圈淺景深效果
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2. Pre-Check
2.1 3A/ISP check
Bokeh的3A/ISP调试策略:
让两个Camera的luminance/color/sharpness表现尽可能align
ISP调试N3D_Preview时,避免出现overshoot、白边黑边等
2.2 确认Module Info
1. sensor组合,resolution
2. Baseline, FOV
3. Lens 型号,VCM型号,close loop
4. AF+AF AF+FF FF+FF
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3. Bokeh Tuning
(1) VSDoF capture跟Gallery refocus共用SW_REFOCUS这一组参数;如果capture需要与refocus不同参数,则把参数加在SW_BOKEH段即可
(2) Tuning参数可以通过JSON file run-time修改调试,效率较高
(3) Run-time tuning参数可通过AppRefocus或ttd_sv来查看
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注:资料来自一牛网论坛(http://bbs.16rd.com/thread-467576-1-1.html)