In addition, the revision of sky gray scale and visibility processing of image are explained.
此外，本文还论述了天空的灰度修正、图象的能见度处理等。
I was relieved the sky was gray, softening the edges of the skyline.
看到灰色的天空柔和了地平线的边缘，稍稍让我释然些。
Mikey pressed her cheek against the cold windowpane and watched the gray clouds roll across the winter sky.
米奇把脸蛋儿紧紧地贴在冰冷的窗玻璃上，看着冬日天空中翻滚着的灰色云朵。
At dawn, three weeks before the winter solstice, the last tendrils of fog curled gray against the pinking sky over a sand dune on the eastern edge of the Namib Desert.
就在冬至前三周，晨曦时分，纳米比亚大沙漠的东边的沙丘上，最后一缕灰色的晨雾衬着粉色的天空蜿蜒屈曲。
The spring light was fuzzed out, and fat gray flakes drifted down from the whitened sky, landing in dove-colored piles on the ground.
春光很黯淡，大块的灰色碎片从白茫茫的天空飘下，落在地面浅灰色的尘土堆上。
By 6:45, I was already tired as I drove him to the Staten Island ferry. I was relieved the sky was gray, softening the edges of the skyline.
45时，当我驾车送他到了斯塔顿岛渡口后我真的很疲倦。看到灰色的天空柔和了地平线的边缘，稍稍让我释然些。
The MAN raises his masked face to look at the sky. He eyes are an icy steel gray.
他的眼睛是如钢铁般的灰色。
The sky was gray with the gloomy clouds congregating gradually along the far eastern horizon.
天空是灰色的，在遥远的东方地平线上有阴云在慢慢汇聚。
In some of the pictures, the tops of the nearby Woolworth Building and other skyscrapers can just be seen above the enormous cloud of debris, gray against a clear blue sky.
在这些照惩中，这伍尔沃斯大楼的顶部和其它的摩天大楼仅仅看到巨大的瓦砾堆上的烟，灰色笼罩了明净的蓝天。
When I looked out into the early morning the sky was full of a gray dawn light but the sun had not yet risen.
清晨我向外眺望，只见天空笼罩着灰蒙蒙的曙光，只是太阳还没有升起。
"These trees are friends," he said, craning his neck to look at the leafless crowns, black against a gray sky.
“这些树是朋友，”他说着抬起头，看向黑色的没有叶子的树冠，映衬着灰色的天空。
Recently, back home in Xuchang, the sky is blue, not white or gray, do not see the thick haze, the heart is very happy.
近日回了老家许昌，天还是蓝的，不是白色或灰色，也不见了浓重的霾，心中甚是高兴。
A hard region of tundra, mountains and wooded fields seated beneath a cold, gray sky are the lands of Cimmeria.
寒带草原的一个坚强的区域，在寒冷和灰色天空之下树木繁茂的山脉。
The sky was heavy and gray, the beach was wide and empty, and as the waves crashed on the smooth brown sand, Frankie spotted a single cold, brave surfer, our only company that day.
灰色的天空阴沉沉的，海滩空旷无人，海浪不断冲刷着细滑的棕色沙粒，弗兰基发现了唯一一名冷淡但勇敢的冲浪者，那是那天我们全家仅有的伙伴。
Harry watched the cloudy sky, curves of smoke-gray and silver sliding over the face of the white moon. He felt lightheaded with amazement at his discoveries.
哈利看着多云的天空，烟灰色的银色的云边滑过月亮的白色面庞。他惊愕于自己的发现，感到头有点晕。
Robert jordan looked up at the thick gray of the sky with the sun gone faintly yellow .
罗伯特乔丹仰望着灰沉沉的天空，只见太阳变成一团昏黄。
The landscape looks forsaken, with hills, sky and forest forming a single Gray meld, like the wash an artist paints on a canvas before the masterwork.
四周的景色一片凄凉，小山、天空和森林灰蒙蒙的，就像画家的名作画成之前画布上的底色一般。
However, when I got to school, the sky turned to be gray with the gloomy clouds as well as thunder.
然而，当我到学校的时候，天空突然乌云密布，而且开始打雷。
Near the eastern horizon, the sky turned a pearly gray, but to the northwest, clouds hung low and threatening.
东方地平线上的天穹出现了灰白色，而西北方却乌云沉沉、步步进逼。
Go to school in the morning, the sky is gray, the first class, I suddenly found that there are some small white particles out of the window, eyes see that!
早晨上学时，天空灰蒙蒙的，第一节课后，我忽然发现窗外飘着一些白色的小粒，定眼一看，呀！
That night, till the sky grew gray in the east, he sat there turning the pages of the dictionary with wet eyes and glowing face, and selecting definitions by the test of the heart.
那天夜里，直到天空的东方泛白，他一直都坐在那里翻着词典，找寻着良心能够验证的解读，泪水从羞愧的脸上流下。
A gray sky of drizzle after two weeks of downpours and puddles in the parking lots wouldn't give way.
下了两周大雨，停车场上满是水坑，灰色天空仍不停地飘着毛毛雨。
But today it rained, the rain fine floating in the sky, gray day, you were carrying a small umbrella, small umbrella like dancing!
可是今天却下雨了，小雨细细的在天上飘着，天灰灰的，大家手里都拿着小伞，小伞像是在跳舞！
But the sky remained thick gray this week, prompting some athletes to take precautions.
但是，本周的天气依然阴灰，促使了一些运动员采取预防措施。
But the sky remained thick gray this week, prompting some athletes to take precautions.
但是，本周的天气依然阴灰，促使了一些运动员采取预防措施。
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