background image

基本解释

In the set name="background-image"> line, replace the image name here with the new one.
在 set name="background-image"> 行，用新名称替代此处之前的图像名。
Very easy to understand tutorial on how to create a menu list using either CSS border-style or background-image property.
这个实例让你很容易知道如何使用CSS来实现一个既有边框风格也有背景图像属性的菜单列表
Combine your background images into a single image and use the CSS background-image and background-position properties to display the desired image segment.
将您的背景图像合并为单个图像并使用 CSS 背景图像及背景位置要显示所需的图像段的属性。

Just draw roughly around the edge of the chosen picture with the digitizer stylus and Active Clip automatically detects edges and cuts out the background, allowing users to drop the cleanly-bordered image straight into documents or presentations.
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Persistent tap-to-track also adjusts the camera exposure depending on any movement, helping avoid under- or over-exposure of the image's subject or background.
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Combined with the COOLPIX P7700's powerful CMOS sensor, this bright, large-aperture NIKKOR lens provides reduced noise, beautiful background blurring, fast performance and high image quality whether shooting stills or Full HD video.
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背景图像
The FMF curve may be multi-peak and results in focus failure, if focus region contains excessive background image region.
如果聚焦窗口引入过量背景图像，评价函数曲线就会出现“双峰”现象，使极点搜索容易陷入局部极点而聚焦失败。由于兴趣区域为前景图像区域，聚焦区域选择算法需要选择前景图像区域作为聚焦窗口。
背景图象
背景影像