It considers edge points and dark or light area when embedding watermark information.
在嵌入水印信息时先考虑边缘点，再考虑亮度较暗和较亮区域。
Homomorphic filtering is a frequency domain operation to compress image light area and enhance contrast.
同态滤波是一种将亮度范围压缩和对比度增强的频域处理方法。
The fluorescent probe and a composite thereof have simple structures and are easy to prepare, and excitation wavelength and emission wavelength are both in a visible light area.
该荧光探针及其组合物结构简单，易于制备，激发和发射波长均在可见光区。
The results indicated that five of them have suitable spectra and light transmissivity decreased in UV-light area but keep above 85% in visible light area, which we've expected before.
结果表明，其中有几种薄膜光谱匹配性较好，与空白对照膜相比，紫外光的透光率降低，但可见光透光率都在85%以上。
They will need a reasonable amount of desk area and good light.
他们将需要相当大的桌区和充足的光线。
The zebra crossing area has light strips.
斑马线区域有光带。
Together, they can give light to an area of up to 6,400 square kilometers on the Earth for 24 hours.
它们合在一起可以给地球上高达6，400平方公里的区域提供24小时的照明。
They reflect a concentrated beam of light onto the town's central square, creating an area of sunlight roughly 600 square meters.
它们将一束集中的光线反射到城镇的中心广场上，形成面积大约为600平方米的阳光区域。
That means a smaller area of cell can be used to convert a given amount of light into electricity.
那意味着更小面积的电池可以被用来将一定量的光转化成电能。
A typical camera works by recording where light strikes the focal plane-the area onto which rays passing through a lens are captured.
一个典型的摄像机以记录光照射的焦平面上的方式工作——通过镜头被捕获的光线区域。
Concept: in a highly built-up area, closed in on all sides, this house offers both privacy and light.
概念：在一个高密度区域，周边房子都靠得很近，但这所房子既提供了私密性，又提供了光亮的环境。
This means that in low light, when my pupils widen, I am seeing with the corrected zone and with a small uncorrected area.
这意味着当我们的瞳孔在微弱光线下放大时，实际上我在用已被矫正的瞳孔区域和一小部分未被矫正的区域看东西。
A new study hopes to shed some light on this area.
一项新的研究希望在此领域有所开创。
A cataract is a cloudy area in the lens of the eye that blocks the normal passage of light through the eye.
白内障是指眼内晶状体的浑浊区域阻碍了光线正常进入眼内。
The area of physics which deals with speeds comparable to the speed of light is called relativity.
物理学领域中，处理相对于光速的速度问题的就是所谓相对论。
Variations in the roughness of the water surface scatter the light, blurring the reflection and producing the silvery sheen of a sunglint area.
因为水面不是那么的平滑，所以光在反射回来的时候会被扰动，那模糊了的阳光就变成了太阳反辉区的银色光辉。
Adding more light to your work area is easily accomplished by adding a desk lamp.
给你的空间更多光线很容易，在桌子上加盏灯就好。
The task light provides lighting for a specific area and tasks such reading and writing.
功能灯可以给特定需要提供照明，如读书或写字。
The Orion Nebula, a stellar formation area located 1, 350 million light years away, is captured by the Vista telescope, the biggest in the world, at Paranal hill, Chile.
猎户座星云，是一个1 350 000 000光年外的星体形成区域，图像由架设在智利帕拉纳山上世界最大天文望远镜Vista拍得。
Kinect USES an infrared light and a camera to create a 3-d image of your play area.
借助红外光源和摄像头，Kinect会在玩家游戏区域的投射三维成像。
Scanning the entire sky in gamma-rays, photons with over 50 million times the energy of visible light, the Fermi mission's Large Area Telescope (LAT) explores the high-energy universe.
通过在伽马射线波段(伽马射线光子是可见光光子能量的5千亿备)巡天，费米计划的大面积巡天望远镜(LAT)探索了高能宇宙。
In depressed patients who went on to respond to DBS, a part of their prefrontal cortex tended to light up in conjunction with the subgenual area.
在那些DBS很有效的病患中，他们的前额叶皮质的一部分往往与subgenual区域一起发光。
It turns out that if you imagine doing an activity, the same area of the brain will light up as if you are actually performing the activity.
结果表明如果你想象着做一些活动，大脑的同一区域会照亮，好像你确实在进行这个活动。
Now a team of neuroscientists has shed light on the process by identifying an area of the brain that is larger in more introspective individuals.
现在，一组神经科学家为这个问题带来了光明，他们发现一个脑区在更内省的个体中体积更大。
In physics, a light field describes the direction of all the idealised light rays passing through an area.
在物理学中，光场描述的是理想状态下光线辐射穿过一个地区。
If you look at your aura in the area lit by an unnatural light or against coloured walls you may see a changed aura colour.
如果你是在非自然光照射的区域下或者和墙的颜色有极大反差的区域下看到你的气场，你可能看到已经改变了的颜色。
Some residents in the Washington DC area saw a blue light in the sky that moved around and made now sound.
华盛顿地区一些居民看到了天空里的蓝光，在天空里四处移动，并发出声音。
If a cataract blocks light from entering the eye and stimulating the retina, the area of the brain used for sight does not develop properly.
如果白内障阻碍了光线进入眼内刺激视网膜，那么大脑的视觉皮层就不会正常发育。
But even the brightest city in America, Las Vegas, emits only about a ten-thousandth as much light as the sun shines upon the same area.
但即使是美国最亮的城市拉斯维加斯，其发出的亮度也仅只及太阳光在这块区域反射亮度的万分之一。
But even the brightest city in America, Las Vegas, emits only about a ten-thousandth as much light as the sun shines upon the same area.
但即使是美国最亮的城市拉斯维加斯，其发出的亮度也仅只及太阳光在这块区域反射亮度的万分之一。
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