这张伦琴妻子手部的X光相片拍摄于1895年12月，是现存最早的人体局部X光相片。
This X-ray of Röntgen's wife's hand was taken in December 1895 and is the oldest surviving X-ray image of a part of the human body.
在广角拍摄中，有时候阳光会使局部区域过曝，但这也是需要的。
In wide-angle photography, sometimes the sun will create areas that are burnt out, but still desirable.
提出了一种数码相机拍摄的文本图像的二值化方法，该方法是全局阈值、局部阈值与灰度梯度方法的结合。
A binarization method for digital camerabased document image was proposed. The method is a combination of the global thresholding, local thresholding and the gray gradient method.
提出了一种数码相机拍摄的文本图像的二值化方法，该方法是全局阈值、局部阈值与灰度梯度方法的结合。
A method was introduced for horizontal vanishing point detection of perspective document image and a vertical vanishing point detection method is proposed.
提出了一种数码相机拍摄的文本图像的二值化方法，该方法是全局阈值、局部阈值与灰度梯度方法的结合。
A method was introduced for horizontal vanishing point detection of perspective document image and a vertical vanishing point detection method is proposed.
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