
sobel
词源
Named after Irwin Sobel, an American researcher who contributed to its development in 1968.
noun
❶ 索贝尔算子,一种用于图像处理和计算机视觉的边缘检测算法,通过计算图像亮度变化的近似梯度来突出边缘。
“The Sobel operator is commonly used in edge detection algorithms.”
(索贝尔算子常用于边缘检测算法中。)
“Applying the Sobel filter helps to highlight the edges in the image.”
(应用索贝尔滤波器有助于突出图像中的边缘。)
verb
❶ 使用索贝尔算子处理图像,通常指应用该算法进行边缘检测或梯度计算。
“You need to sobel the image before analyzing the edges.”
(在分析边缘之前,你需要用索贝尔算子处理图像。)
“The software allows you to sobel the input in real-time.”
(该软件允许你实时对输入进行索贝尔处理。)
常见短语
Sobel operator — 指索贝尔算子这一具体的边缘检测算法,常用于图像处理领域。
“The Sobel operator is implemented in most image processing libraries.”
(大多数图像处理库中都实现了索贝尔算子。)
Sobel filter — 索贝尔滤波器,指应用索贝尔算子进行图像滤波处理的过程或工具。
“Applying a Sobel filter can enhance the edges in a blurry image.”
(应用索贝尔滤波器可以增强模糊图像中的边缘。)