s.. vim: syntax=rst

12. Noise Profile¶

12.1. Function Overview¶

Record the noise of sensor gain. Generally, it is obtained by the calibration program and does not need special adjustment.

12.2. API Reference¶

CVI_ISP_SetNoiseProfileAttr: Set Noise Profile attribute parameter.
CVI_ISP_GetNoiseProfileAttr: Get Noise Profile attribute parameter.

12.2.1. CVI_ISP_SetNoiseProfileAttr¶

【Description】

Set Noise Profile attribute parameter.

【Syntax】

CVI_S32 CVI_ISP_SetNoiseProfileAttr(VI_PIPE ViPipe, const ISP_CMOS_NOISE_CALIBRATION_S *pstNoiseProfileAttr);

【Parameter】

Parameter	Description	Input / Output
ViPipe	VI_PIPE number	Input
pstNoiseProfileAttr	Noise Profile attribute parameter	Input

【Return Value】

Return Value	Description
0	Success
Non 0	Failure. An error code is returned. For details, see chapter Error Codes.

【Requirement】

Header files: cvi_isp.h, cvi_comm_isp.h
Library files: libisp.so

【Note】

None.

【Example】

None.

【Related Topic】

CVI_ISP_GetNoiseProfileAttr

12.2.2. CVI_ISP_GetNoiseProfileAttr¶

【Description】

Get the Noise Profile property parameter.

【Syntax】

CVI_S32 CVI_ISP_GetNoiseProfileAttr(VI_PIPE ViPipe, const ISP_CMOS_NOISE_CALIBRATION_S *pstNoiseProfileAttr);

【Parameter】

Parameter	Description	Input / Output
ViPipe	VI_PIPE number	Input
pstNoiseProfileAttr	Noise Profile attribute parameter	Output

【Return Value】

Return Value	Description
0	Success
Non 0	Failure. An error code is returned. For details, see chapter Error Codes.

【Requirement】

Header files: cvi_isp.h, cvi_comm_isp.h
Library files: libisp.so

【Note】

None.

【Example】

None.

【Related Topic】

CVI_ISP_SetNoiseProfileAttr

12.3. Data Types¶

ISP_CMOS_NOISE_CALIBRATION_S: Noise Profile attribute parameter.

12.3.1. ISP_CMOS_NOISE_CALIBRATION_S¶

【Description】

Noise Profile property parameter

【Syntax】

typedef struct cviISP_CMOS_NOISE_CALIBRATION_S {
   CVI_FLOAT CalibrationCoef[NOISE_PROFILE_ISO_NUM][NOISE_PROFILE_CHANNEL_NUM][NOISE_PROFILE_LEVEL_NUM];
} ISP_CMOS_NOISE_CALIBRATION_S;

【Member】

Member

Description

CalibrationCoef [16][4][2]

Raw data noise model, divided into R/Gr/Gb/B channels, floating point data formats

Value range： [-2147483648,2147483647]

Data type： CVI_FLOAT

【Note】

none

【Related Data Type and Interface】

CVI_ISP_SetNoiseProfileAttr
CVI_ISP_GetNoiseProfileAttr