论文研究了传统的基于块匹配的立体图像编码方法，在此基础上，提出了一种新的利用亮度变化信息的自适应块匹配立体图像编码算法。
The dissertation proposes a novel adaptive block-size stereo image coding algorithm based on traditional block-based coding algorithm, which fully utilizes the information of intensity variety.
在HSI空间中，采用自适应直方图均衡（AHE）方法实现了图像饱和度和亮度的调整，并进一步修正了图像的对比度。
Then, in HSI space, the method based on adaptive histogram equalization (AHE) is introduced to adjust the saturation and intensity. And then, the contrast is regulated further.
由于双边滤波的方法可以使滤波器的权系数随着图像的亮度变化而改变，所以在滤波过程中能达到自适应滤波的目的。
Since bilateral filtering method can make the weight coefficient of filter vary with image brightness, so the adaptive filtering effect can be attained during the filtering process.
分析人类视觉系统的亮度和对比度特性，提出了一种DCT域自适应可见水印算法。
By analyzing the characteristics of the brightness and contrast characteristic of the human visual system, an adaptive visible watermarking algorithm based on DCT was proposed in this paper.
水印强度与图像背景亮度及纹理强度成正比，使水印对原始图像具有自适应性。
The intensity of watermark is proportional to the intensity of texture and brightness of the image, which makes the watermark be adapted to the original image.
水印强度与图像背景亮度及纹理强度成正比，使水印对原始图像具有自适应性。
The intensity of watermark is proportional to the intensity of texture and brightness of the image, which makes the watermark be adapted to the original image.
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