Cropping an image without using an image mask?

裁剪图像不使用图像掩模？

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Exemplary LCD image mask glasses include fused silica, high purity fused silica and silica-titania containing 5-10 wt. % titania.

示例性的LCD图像掩模玻璃包括熔融石英，高纯度熔融石英和包含5 - 10重量%氧化钛的二氧化硅-氧化钛。

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Any white pixels in the image will be treated as a pass-through mask in subsequent steps.

图像中任何白色像素将在后续步骤中作为pass - through蒙版处理。

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I think there's a connection here between the image from the commonplace book and the treatment in Milton's mask of this strangely conjoint phenomenon of virginity and speechlessness.

我认为,笔记书中的形象,和弥尔顿《面具》中有关童贞和无语这一共同现象,是有联系的。

耶鲁公开课 - 弥尔顿课程节选

I actually want to change that around, if I might, and play with that, because that's a really useful image for us: "takes the mask off literature and reminds us how we come to be sympathetic or Richard Wright how we come to think something." Think back to Richard Wright, who wants words to disappear, to be completely transparent and to leave you just with your response.

实际上，我想要改变一点，可能的话，玩弄一下，因为那对我们是很有用的画面：,把文学的面具卸下,我们是如何同情,或思考事物的，回想一下，他希望文字消失，而变成透明的，只剩下你们的回应。

耶鲁公开课 - 1945年后的美国小说课程节选

British graphic novel artist David Lloyd is the man who created the original image of the mask for a comic strip written by Alan Moore.

BBC: V for Vendetta masks: Who's behind them?

This new model follows the concept of the original Liquid Image Underwater Digital Camera Mask by creating an easier way to record photos and videos.

ENGADGET: Liquid Image outs Summit Series Snow Camera goggles ahead of CES

In a process similar to printing a photograph, engineers beam high-powered light through a mask-like image of the chip, creating a duplicate on a silicon wafer.

FORBES: Trick of the Light