image ratio
英 [ˈɪmɪdʒ ˈreɪʃiəʊ]
美 [ˈɪmɪdʒ ˈreɪʃioʊ]
像频抗拒比
双语例句
- Using the setImageScale method, use the default image scaling ratio set in TCPDF's configuration file.
使用setImageScale方法，在TCPDF的配置文件中使用默认图像缩放比例设置。 - The relationships between images of near and far objects with camera lens and field of view and object distance and the image ratio are researched.
根据光学透镜成像原理，推导近端和远端物像与相机焦距、视角和物距的关系式及其像比，借此控制相机视图中远近两端物像的形状反差。 - The advantages of using a spectrum analyser to measure image rejection ratio of a tuner are direct in observation, accurate in reading, easy in operation and so on.
用频谱分析仪测量调谐器的假象抑制比，具有显示直观、读数准确、测试简便等优点。 - In addition to the production of typical fractal geometry graphics, this system can also reproduce natural scenery images with high image compression ratio and good image reproduction lifelikeness.
在SGI图象工作站上建立的该系统，不但能生成经典的分数维几何学图形，而且能复制出效果很好的自然景物画面，图象压缩比率高，图象复制逼真度好。 - Without doubt, it is quite meaningful that iterated function system is used in scene simulation, image high ratio compression and recognition.
对迭函数系统在景物仿真、图像高效压缩、识别等方面的应用具有普遍意义。 - The experimental results show that the method can effectively and automatically select the threshold of each frame image when image signal-to-noise ratio of the Hartmann-Shack sensor is larger than 3.
实验结果表明，本方法在Hartmann-Shack波前传感器图像信噪比大于3时，能够比较有效地自动选取每帧图像的阈值。 - This paper analyzes current image compression standards, the block effects and limits of image compression ratio produced by DCT transformation in decoded picture.
本文分析了现有的国际图像压缩标准，离散余弦变换造成了恢复图像的块效应，图像压缩倍数有限。 - It decomposed and reconstructed a digital image using multi-resolution ratio of wavelet transform based on the discrete wavelet transform and digital spread spectrum technology.
该算法在传统的基于DWT和扩频技术的有意义数字水印算法中，利用小波变换的多分辨率特性来进行图像的小波分解和重构，利用数字扩频技术来实现嵌入和检测水印。 - Restoring high-resolution ratio image from low-resolution ratio compressed video flow
从低分辨率压缩视频流恢复高分辨率图像 - Discussion of the Measurement Method for MRI Image Space Resolution Ratio
核磁共振图像空间分辨率的测定方法探讨 - The experimental data shows this scheme slightly increases the computational complexity, slightly decrease the quality of recover image while heavily increase the image compression ratio. It is an ideal method to improve the efficiency of wavelet transformation coding.
试验结果表明该编码方案在计算复杂度上上升极少、在恢复图像质量上下降很少，但是在图像压缩比上得到了大幅度的提高，是提高小波变换图像编码效率的理想方法。 - First of all the capability of applying TM thermal infrared image and relative ratio processing to monitoring soil and water loss was discussed in this paper.
本文首先分析了应用TM热红外图象和相关的比值处理来监测水土流失的可行性。 - Design of a New Filter Based on Image's Chrominance Ratio
一种基于图像色度比的新型滤波器的设计 - Finite Element Approach Based on Feature Constraint for Elastic Image Regist ratio n of Human Brain
一种特征约束的有限元人脑图像配准方法 - Comparative study revealed its superiority over the Canny edge detector in definition of image edge signal-to-noise ratio. So it can be applied to detection of noisy images.
实验结果表明，与Canny边缘检测相比，该算子检测的图像边缘比较清晰，具有较高的信噪比，而且用来检测含白噪声图像的效果也相当理想。 - Target is so small and target signal is so weak relative to background clutter and noise that image signal-to-noise ratio ( SNR) is very low.
对获取的远距离图像，目标成像面积小，目标信号相对背景和噪声来说较弱，甚至被噪声所淹没，致使图像的信噪比很低。 - The coding method based on object, can not only satisfy the function that gets the requirement of larger image data compression ratio further and can realize man-machine interaction, so we think it will be future video compressed coding develop direction.
其中，基于对象的编码方法不仅能满足进一步获得更大的图像数据压缩比的要求，而且能够实现人机对话的功能，所以，我们认为它将是未来视频压缩编码的发展方向。 - Chrominance ratio is introduced and an algorithm checking noise pixels and the edge of image based on chrominance ratio is presented and a new filter based on image's chrominance ratio is designed.
引入了色度比的概念，提出了利用色度比进行图像噪声和边缘检测的算法，设计了一种基于色度比的新型滤波器。 - The MRI image space resolution ratio reflects its resolving power to tiny subject under high contrast.
空间分辨率反映核磁共振系统在高对比度下对微小物体的分辨能力。 - Through analyzing the model, the best image overlapped ratio and the accumulative stitching error are obtained, and the validity of the method which can eliminate image stitching accumulative error is proved in theory, contrastive samples have been also given.
通过计算分散积累误差前后的拼接图象质量的期望值，从理论上证明了这种减少积累误差影响的方法的有效性，给出了对比实例。 - Layout analysis is very important step for binary document image compression, through classifying each region of document image, the document image compression ratio can be effectively improved.
版面分析是二值文档图像压缩中非常重要的一个步骤，通过对文档图像中各区域进行分类，可以有效提高文档图像的压缩比。 - Through the study, better image quality has been obtained, and at the same time comparatively analysis has been carried out on the image effect under the different image compression ratio.
通过研究，得到了较好质量的图像，同时对不同压缩比下产生的图像效果进行了比较分析。 - Fractal image compression is one based on the theory of fractal geometry, which has high image compression ratio, however, its algorithm is complex and running efficiency is low.
图像分形压缩是一种建立在分形几何理论基础上的图像压缩方法，它最大的特点就是具有较高的压缩比，但它的算法复杂，程序运行效率较低。 - The directional lifting wavelet transform can effectively take advantage of the directionality and anisotropy of images to achieve better image compression ratio.
方向提升小波变换能够更好地利用图像的方向性和各向异性，达到更好的图像压缩效果。 - This scheme not only ensures the stability of the receiver, but also improves the image rejection ratio and the dynamic range of the receiver.
该方案可保证接收机具有较好的稳定性，有效提高接收机的镜像抑制比和动态范围。 - This new algorithm can enhance TFT-LCD display gray-scale level and the color gentle degree, while does not reduce the image resolution ratio. 4.
该算法在不降低灰度图像分辨率的基础上，提升了TFT-LCD显示灰度等级，同时增强了图像色彩柔和度。 - Increasing the image compression ratio is very good for video processing chip on the premise of ensuring image quality.
在保证图像品质的前提下，若能提高图像压缩率，对视频处理芯片来说是非常好的。 - Image coherent ratio threshold is introduced as the end conditions of denoising.
在医学图像去噪中，为了解决稀疏自适应去噪问题，引入了图像相干比阈值作为医学图像去噪的结束条件。 - The research is under the assumption of image preprocessing ( sampling, de-noising and smoothing, etc). In the first step, this article finished the analysis of global image characters, image peak signal-to-noise ratio and image information entropy.
研究是在对图像进行预处理（采样、去噪、平滑等）后进行的。首先在静脉图像的特征提取方面，分析了图像全局特征：图像的峰值信噪比和图像信息熵。