jpeg转换rtf
在线计算网 · 收录于 2022-08-08 11:41:04
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文件扩展名.jpeg
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文件类别images
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程序Adobe PhotoshopApple PreviewCorel Paint Shop Pro
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主程序MS Paint
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说明JPEG – is a popular graphic format, which is characterized by a high degree of compression, which leads to a decrease in image quality. It uses the technology of encoding of smooth color renditions, providing the ability to reduce the amount of data frequently during the recording of the image.
Because of the small size it is requested by the owners of websites, allowing you to save the traffic effectively. It is also frequently used in memory cards of digital video cameras. The JPEG algorithm is optimally suitable for compressing photographs and pictures, in which realistic scenes with little contrast of colors are present. It is not recommended to use this format for compression of drawings and various kinds of graphics, since a strong contrast between a number of closely located pixels provokes the appearance of visible artifacts.
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技术细节The procedure for compressing the digital images in JPEG format is carried out in several stages. First, the photo is transformed into a color space YCbCr, then it is divided into squares to determine the upper range of the color spectrum. Finally, the colors and brightness are coded.
JPEG uses a "lossy" compression system and discrete cosine transform technology. The format acts simultaneously as the standard of ISO and the International Telecommunication Union. The file compression ratio is in the range from 10:1 to 100:1. In this case, the reduction in image quality can vary from insignificant to substantial.
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MIME类型image/jpeg
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文件扩展名.rtf
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文件类别documents
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程序AbiWordKwordTextEdit
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主程序WordPad
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说明RTF - 是用于交换文本数据的标准格式。 创建于1982年，由Adobe和Microsoft的专家参与，因此后者的大多数软件解决方案都支持它。 它与Windows 2.0版集成，允许在适用的附件之间进行交换。 该格式提供了在一个操作系统中创建文档并传输到另一个操作系统的功能，而它不适用于处理图像和其他对象。 用户可以在Word中打印文本，使用.rtf扩展名保存文本，并使用WordPerfect 6.0将其导出到收件人，无论Windows版本如何。
可以在任何能够格式化文本文档的现代编辑器中打开RTF文件。 该格式允许您保存文本片段的选择设置，符号设计的颜色解决方案，带下划线的文本等等。
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技术细节此格式的规范适用于ANSI，PC-8符号显示的标准以及其他一些标准。 它设置在格式化过程中充当命令的控制字和符号。 如果保存了扩展文本文档，则编写器RTF对其进行处理，并将字处理器的符号调整为RTF格式语言。 在阅读过程中，RTF阅读器格式化定义符号，将RTF语言转换为文档要可视化的文本编辑器的格式。
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MIME类型text/rtf
