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.
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.
公路隧道进出口亮度的急剧变化会造成驾驶员视觉适应困难，严重时甚至导致交通事故。
The sharp variation of luminance at the entrance and exit of highway tunnel will cause the difficulty in visual adaptation of the driver, and even lead to traffic accidents.
光刺激作用主要集中在视网膜中央窝的条件下，等亮度较弱的红光与绿光之间暗适应时间无显著差异。
When light stimulus was weaker and concentrated on central vision, there was no significant difference between a red light and a green light in the aspect of dark adaptation.
目的评估3种背景环境下的中间视觉对比度阈值，并探讨暗适应时间、背景亮度和眩光对人眼对比度阈值的影响。
Object: to evaluate mesopic contrast threshold under 3 kinds of background and to explore the effect of adaptation time, adaptation luminance and glare on contrast threshold of humans eye.
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.
大多数款式更新的智慧手机都能动态调整其萤幕亮度以适应任意光亮情况。
Most of the newer smartphones can dynamically adjust their screen brightness to any lighting situation.
当噪音达到115分贝时，眼睛对光亮度的适应性降低20%。
When the noise amounts to 115 decibels, the eye reduces 20% to the radiance compatibility.
当噪音达到115分贝时，眼睛对光亮度的适应性降低20%。
When the noise amounts to 115 decibels, the eye reduces 20% to the radiance compatibility.
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