This image is a composite of archival Hubble data taken with the Wide Field Planetary Camera 2 and the Advanced Camera for Surveys.
这幅图像是由哈勃存档数据合成而来，这些数据来自宽视野2号行星照相机和高级测量照相机。
Data acquisition is widely used in the field of radar signal processing, digital image processing and virtual instrument.
在雷达信号处理、数字图像处理和虚拟仪器等领域中，数据采集都得到了广泛的应用。
Fractal image coding is one of researching focuses in image coding field at present. It is a kind of data compression technique with special advantages and a good developing future.
分形图像压缩编码是当今图像编码领域研究的热点之一，是一种具有独特优势且极有发展前途的数据压缩技术。
应用推荐