HSL 分区调色:先选色相区间,再分别调该区间的色相偏移、饱和度与明度;另附全图饱和度/明度。字符串按 6 个色相分区 × 3 分量给出。
所属模块:调色(Color Grading) · 任务类型:color_grade_hsl
端口
输入
| 端口 | 数据类型 | 必填 |
|---|---|---|
in | Image / cv::Mat | ✓ |
输出
| 端口 | 数据类型 | 必填 |
|---|---|---|
out | cv::Mat | ✓ |
参数
| 参数 | 类型 | 默认值 | 范围 / 选项 | 说明 |
|---|---|---|---|---|
hue_low | float | 0 | [0, 360] | |
hue_high | float | 360 | [0, 360] | |
sat_low | float | 0 | [0, 1] | |
sat_high | float | 1 | [0, 1] | |
val_low | float | 0 | [0, 1] | |
val_high | float | 1 | [0, 1] | |
softness | float | 0 | [0, 1] | |
lift_r | float | 0 | [-1, 1] | |
lift_g | float | 0 | [-1, 1] | |
lift_b | float | 0 | [-1, 1] | |
gamma_r | float | 1 | [0.1, 4] | |
gamma_g | float | 1 | [0.1, 4] | |
gamma_b | float | 1 | [0.1, 4] | |
gain_r | float | 1 | [0, 4] | |
gain_g | float | 1 | [0, 4] | |
gain_b | float | 1 | [0, 4] |
示例图
示例图为最小可运行流水线(读取 → 处理 → 写出),可直接拖入 GraphStudio 或保存为 .json 后用 --open 打开;data/test.png 替换为实际图像路径。
{
"version": "2.0",
"tasks": [
{
"id": "read",
"type": "opencv_image_read",
"params": {
"file_path": "data/test.png"
}
},
{
"id": "node",
"type": "color_grade_hsl",
"params": {
"hue_low": 0,
"hue_high": 360,
"sat_low": 0,
"sat_high": 1,
"val_low": 0,
"val_high": 1,
"softness": 0,
"lift_r": 0,
"lift_g": 0,
"lift_b": 0,
"gamma_r": 1,
"gamma_g": 1,
"gamma_b": 1,
"gain_r": 1,
"gain_g": 1,
"gain_b": 1
}
},
{
"id": "save",
"type": "opencv_image_write",
"params": {
"file_path": "out_out.png"
}
}
],
"edges": [
{
"from": "read",
"from_port": "out",
"to": "node",
"to_port": "in"
},
{
"from": "node",
"from_port": "out",
"to": "save",
"to_port": "in"
}
]
}
本文是 GraphStudio 节点手册 系列文章之一;参数与行为以最新发布版为准。对应英文版见页面语言切换。