---
title: hi_isp_cmos_gamma
description: "定义gamma的CMOS参数。"
url: https://www.hiascend.com/document/detail/zh/canncommercial/latest/others/ispdevug/ispdevapi_0114.html
sourcePath: /source/zh/canncommercial/900/others/ispdevug/ispdevapi_0114.html
indexId: a79297eea7dd0b6b9b9a00f5898d424846b4d2733d28b36ab5f14d844710292b65
---
# hi_isp_cmos_gamma

#### 说明

定义gamma的CMOS参数。


#### 定义

```
typedef struct {
hi_u16
gamma_lut[HI_ISP_GAMMA_EXT_NODE_NUMBER];
} hi_isp_cmos_gamma;
```


#### 成员

| 成员名称 | 描述 |
| --- | --- |
| gamma\_lut | 1024 段LUT表，用来表示输入输出值大小。 取值范围：[0x0, 0xFFF] \#define HI\_ISP\_GAMMA\_EXT\_NODE\_NUMBER 1025 |