In low frequency sub band, the watermarking is embedded into host by the way of pixel-to-pixel embedding according to HVS model.

在低频分量部分，基于HVS视觉模型，将水印信号逐点变化地嵌入到原始图像中；

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You've got a picture of somebody's face, it's a million pixels. Each pixel has a range of values from zero to 256. I want to hash a face with some function into an integer.

你有一个人的脸部照片，它有一百万个像素,每个像素的值范围在0到256之间,我想用某个函数将一张脸部照片。

麻省理工公开课 - 计算机科学及编程导论课程节选

The FPV-1 processor converts an interlaced signal into one that the manufacturer describes as a pixel-to-pixel match with the DLV-100.

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With the addition of a white sub-pixel to the existing RGB pixel configuration, LG's OLED TV can produce vivid and brilliant colors as well as deep blacks.

ENGADGET: LG's 55-inch OLED HDTV ships in Korea next week, has 100 pre-orders so far

Pixim's innovation is to give each pixel its own analog-to-digital converter so that photons are continuously converted to ones and zeros and the camera's microprocessor can tell exactly how fast each pixel is filling up relative to the other pixels.

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