素描

Sketch is Picasso's life-long friend and black-and-white painting is the main line of his art development.

毕加索终生都以素描为伴，黑白作品是他艺术发展的主线。

Further analysis is done based on the oil painting and line drawing in this article.

本文以素描与油画为例进行了进一步的分析。

Firstly,the color image is sharpen by Unsharp Mask to extract detail information,and color scaling is used to strength contrast degree.Secondly,stroke direction is generated by the method of vector field.Finally results of the pencil-drawing are gained by the line integral convolution algorithm.

首先对用户输入的图像进行Unsharp Mask锐化提取细节信息，并进行颜色放大处理以增强对比度，然后采用基于点的向量场技术生成笔画方向，最后应用线积分卷积得到具有素描风格的结果图像。

First of all you need to make a quick sketch of the icon you have in mind.

首先你必须将你大脑中已有的图标素描出来。

Every student is required to make a sketch of a tree.

每个学生都被要求画一张树的素描。

Fanny: I'll make a sketch of those farmers there stacking hay.

范妮：我要把那几个在堆干草的农夫素描下来。

Listening Fill in the chart on the text page and make a sketch of the animal as they saw.

填写下页图表并描述一下他们所看到的动物。n。草图；素描；大意，纲领；简单描述，要点

Artist sometimes make many pencil sketches of their compositons before even laying one brush of color down.

艺术家有时他们compositons许多铅笔素描，甚至铺设前一个颜色刷下来。

Imagining how the words will translate into actions and pictures, they make a series of sketches — a kind of comic book — to tell the story and bring it to life.

他们将想象如何将语言转化为动作和画面，并且作出一系列的素描来讲述情节并赋予它生命力。

Mr. A finished the sketch not only effortlessly but also masterfully.

L A先生完成了素描，不但不费力，而且很熟练。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。