blue channel

noun

1. （机场或港口为只在欧洲联盟旅行的游客设的）蓝色通道
   at an airport or port, the passage for passengers who have only travelled within the European Union

1. In the summer, the vistas over the deep blue waters of the Beagle Channel, a shipping route, are simply breathtaking.
   夏天，比格尔海峡那深蓝色的海水以及航海的路线，都美得令人窒息。
2. Differring from processing gray images, every pixel must be decomposed into red, green, and blue channel when color images being processed.
   与灰度图像处理不同，处理彩色图像时，要将其每个像素点分解成红、绿、蓝三个通道。
3. Introduction of Blue Line Making of Shanghai Municipal Inland Trunk Channel
   上海市内河干线航道蓝线制定介绍
4. The blue print and information flow of the network management system are also designed. The management channel defined in ATM layer insures that the network management information transfers quickly and exactly.
   提出了网络管理系统方案及其信息流程，在ATM层上定义了网络管理信道，确保网管信息快速、准确的传递，保证网管功能的实现。
5. Basically, the watermark was embedded by modifying the pixel values in the blue channel of an image, while the watermark retrieval is achieved by using a prediction technique based on linear combination of nearby pixel values around the embedded pixels.
   水印嵌入是通过修改图像中像素蓝色通道信息来实现，而水印提取是基于对嵌入水印位置的邻域像素值的线性组合的预测而完成的。