MT6771_MT6762_ISP_Tuning_MFNR

MT6762 MFNR流程简介

Objective

– 多帧混合降噪

Flow

N*Iraw: Input RAW files. In MT6762, N=2~6

N*Ibfbld: Images prepared to do multi-frame blending

Imfb: Multi-Frame blended Image

Iaftbld: Image after After NREE

Ioutput: Image with After MAR

MT6762 MFNR流程简介

MT6771 MFNR流程简介

Objective

– 多帧混合降噪

– 与MT 6762相比，JPG快15%~40%。

Flow

N*Iraw: Input RAW files. In MT6771, N=2~6

N*Ibfbld: Images prepared to do multi-frame blending

Imfb: Multi-Frame blended Image

Imar: Image after motion area refinement

Ioutput: Image with After NR/EE

MT6771 MFNR流程简介

MAR有部分参数在MFB/MAR

MFNR流程介绍

1 Before NR

将原始转换为YUV

预降噪声以适应MFP容量

消除脉冲噪声和坏像素

相对登记册：mfnr→前-udm/pre-nbc/pre-nbc 2

http://bbs.16rd.com/citiao-xinpian-MT6771.html

MFNR流程介绍

2. Multi-Frame Processing

将所有Ibfbld框架合成为一个Imfb框架

在不丢失细节的情况下降低噪音

处理卢马和色度噪声

相对登记册：MFNR → MFP/MAR