图像增强是采用一系列技术去改善图像的视觉效果, 或将图像转换成一种更适合于人或机器进行分析和处理 的形式。例如采用一系列技术有选择地突出某些感兴趣 的信息,同时抑制一些不需要的信息,提高图像的使用 价值。 图像增强方法从增强的作用域出发,可分为空间域 增强和频率域增强两种

You work for an airline you have just received a letter from a customer who says that she had a terrible flight, that her bags did not arrive until two days later, and that one of her bags was broken. Write a letter apologizing and ask for further information so that you can arrange

Letter Writing Practice 2 Test Yourself You office needs to rent a video camera for one month. You need a small machine that produces a professional quality image. Write to Photofinish Ltd and ask them if they rent machines like that and the price. Write a full business letter. (invent any details you need)

Letter Writing (Samples and Instruction) My dearest friend Recently I have noticed a habit of yours that is becoming a serious problem. It smoking. As long as you are in, our bedroom is filled with terrible smell and the ashtray is overflowed with cigarette butts

To read and find out the purpose of this chart To examine the theme and figure out the relations in the chart To pay attention to the notes in the chart II. What we should pay special attention to Limit of time 2. Focus of the chart III. What we will write in the composition Catch the trend, the survey and some

Objectives of the class (1)A better understanding of \writing\ (2)A better understanding of what the students have brought into the

Lecture 5 Sequence Paragraph Objectives To learn what a sequence paragraph is To learn to write an effective sequence paragraph Writing instructions wha at is a sequence paragrap h?

To learn different types of paragraphs and their features. Introduction of different types of paragraphs Definition paragraph When you are writing a definition paragraph, you take a term or an idea and write about what it is. Often, definitions are combined with classification or other forms of organization. You need to give a careful definition of

Unit 1 In production Objective of the class （1) A better understanding\writing\ what, why,and how （2)Building up confidence of long writing by the first article 3)Survey of computer skills Task （1) Take notes about what teacher says in class

The primary task of the writing course is to familiarize and equip students with strategies and skills approaching the academic writing tasks needed in the university, and to meet the requirements of the Band 8 as well as Band 4 examination on writing. In addition, personal and academic development necessities such as creative