image frequency rejection ratio.
像频抑制比

This paper presents an algorithm to estimate Signal Noise Ratio for a single image.
提出一种估计单幅图像信噪比得算法。

This allows the aspect ratio of the image data to be determined more directly or easily.
由此，可更直接或容易地把握图像数据的宽高比。

As one method of image lossy compression vector quantization has great compression ratio.
作为图像有损压缩的方法之一，矢量量化的压缩比极大。

How to Use the Image to Process and Calculate the Area Ratio of Disc and Cup in the Optic Disc
用图象处理计算青光眼视乳头的杯盘面积比

This means that the aspect ratio of the new image will be the same as that of the previous image.
这意味着新的图像的高宽比与原图相同。

Fig.9 is a flowchart explaining a process for setting the aspect ratio of the image for recording.
图9是说明设定记录用图像的宽高比的动作的流程图。

Your image will be automatically sized to the size of your control, regardless of the aspect ratio.
您的图片大小会自动为您的控件的大小，无论宽高比。

It was required to analyze the image characteristics, to measure and calculate signal to noise ratio of the lung parenchyma and the muscle of thoracic wall individually, the contrast and contrast to noise ratio between the lung and the muscle of the thoracic wall.
肺实质与胸壁肌肉的对比度和对比噪声比。