This is because motion estimation is performed to sub-pixel resolution.
这是因为运动估计执行到子像素分辨率。
But the motion compensated pixels in frame 1 have sub-pixel positional errors.
但是帧1中经过运动补偿的像素具有子像素位置误差。
A novel fast sub-pixel edge detection method for image measurement is proposed.
提出了一种新型的测量图像快速亚像素边缘检测方法。
A new sub-pixel algorithm based on the principle of the parabola fitting is proposed.
本文提出了一种新颖的基于抛物线拟合原理的亚像素求取算法。
Therefore, the sub-pixel algorithm in edge precise positioning was widely researched.
因此，用于边缘精确定位的亚像素算法已被广泛研究。
The correlation method is used to process the data and then obtain the sub-pixel measuring precision.
采用相关法处理数据，实现了亚像素测量精度。
And the method of the polynomial interpolation for sub-pixel edge measure was also studied elementarily.
同时对多项式插值亚像素边缘检测方法进行了初步的研究。
Experiments show that the algorithm obtains similar PSNR to full sub-pixel search at very low computation cost.
实验结果表明该算法以极小的搜索代价取得了与全搜索相当的效果。
Today, both companies are using sub-pixel rendering to coax sharper-looking fonts out of typical low resolution screens.
目前，这两家公司都使用次像素渲染(subpixel rendering)技术，使得字体在低分辨率的屏幕上，也能显得很清晰。
For these factors, noise processing and sub-pixel feature extraction for SLM microscopic images are studied in this papa.
针对这三个因素，本文研究了SLM显微图像的噪声处理和亚像素特征提取。
Applying the radial section scanning method based on gray centroid, the image edges are tested with a sub-pixel precision.
采用基于灰度质心法的径向截面扫描法对图像边缘进行亚像素级检测；
Based on the characteristics of short focus lens and CCD array, the necessity of sub-pixel imaging and location is analyzed.
该文首先从短焦距镜头和给定cCD成像阵列的成像特性出发，分析了实现亚像元成像与定位的必要性。
Experiments results show that these algorithms can reach sub-pixel accuracy for the images of the plainness and small areas.
结果表明，在平坦小区域采用各种算法均能够达到子像元精度。
The paper studies the method of boundary detection in omnidirectional M-mode echocardiography based on a sub-pixel technique.
研究一种基于亚象素技术的全方向M型心动图边界的检测方法。
After getting pixel stripes with edge detection algorithm, the high precision strips could be detected by sub-pixel technology.
利用边缘提取算法获得像素级条纹后，再利用亚像素技术可以进一步对条纹进行高精度提取。
Two simple and efficient algorithms of sub-pixel corner detection for camera calibration dy using plane pattern were presented.
针对摄像机标定模板图像的角点检测问题，提出了两种简便而有效的亚像素级精度的提取算法。
The pixel level corners were detected by classical Harris corner detector, and then some methods were used to get sub-pixel accuracy.
针对摄像机标定模板图像的角点检测问题，提出了两种简便而有效的亚像素级精度的提取算法。
Through ideal light bar method, some representative sub-pixel algorithm were compared for the capability of positioning circular arc edge.
利用理想光条法，比较了几种有代表性的亚像素算法对于圆弧状边缘的定位能力。
To quantitatively determine urban land use extents and development densities, sub-pixel impervious surface areas were mapped for this area.
为了量化城市土地利用程度和开发密度，对研究区基于子像元的非渗透表面丰度进行了分类。
Experiments show that the method takes full advantage of the high efficiency of FFT, and can also achieve sub-pixel accuracy can be achieved.
通过实验表明该方法可以充分利用FFT的高效运算，达到亚像素精度。
The phase detection and curve-fitting techniques have been used in processing the interferogram, and sub-pixel measuring error has been obtained.
在干涉图的处理中，采用了相位检测和曲线拟合技术，得到了亚象素的测量精度。
As a digital image measurement method, the sub-pixel accurate location of a corner can be found in digital image by sub-pixel accurate corner locator.
作为一种数字图像测量方法，亚像素角点检测能够在数字图像中可以发现角点的亚像素精度的位置(简称亚像素角点检测方法)。
At last, target sub-pixel subdivision of target localization is put forward, as a result increasing the precision the difficulty on hardware is solved.
最后，本文提出TARGET亚像素细分的靶标定位技术，解决了硬件提高精度的困难。
In the automatic aiming method, image processing, sub-pixel division, curve fitting and "electronic front sight" technologies are synthetically utilized.
采用的瞄准方法综合使用了图像处理方法、亚像素细分方法、曲线拟合方法和“电子准星”技术。
Our experiments indicate that the system is able to achieve sub-pixel accuracy and achieve real-time warping with minimum system performance degradation.
实验结果表明，系统能够获得亚像素级的精度，并且能在系统性能衰减最小的情况下达到实时变形。
Using improved sub-pixel edge detecting algorithm based on the expectation of first-order derivatives, we can fast and precisely detect the edge position.
应用改进后的基于一阶微分期望值的亚像素边缘检测算法，可以快速、精确地检测到边缘的位置。
The image need not pretreatment and the accuracy of registration can reach as high a level as sub-pixel if you registrate image by mutual information method.
互信息的使用使得待配准图像不需要进行预处理，并且配准的精度可以达到亚像素级。
In industrial vision inspection, many edges of inspecting objects are. some kinds of roof edges, but current sub-pixel edge detection methods are only applied to step edges.
在视觉检测中，许多待检目标边缘都是屋脊型边缘，而现有亚像素边缘检测方法往往只研究阶跃边缘的检测，对屋脊边缘的研究较少。
The measuring results show that this method can obtain sub-pixel locating accuracy, higher stability and reliability in the running process, so it has important applied value.
并给出此种方法的具体实现步骤，实验证明这种方法检测精度可达到亚像素级，具有很好的检测稳定性，有很强的实用价值。
The measuring results show that this method can obtain sub-pixel locating accuracy, higher stability and reliability in the running process, so it has important applied value.
并给出此种方法的具体实现步骤，实验证明这种方法检测精度可达到亚像素级，具有很好的检测稳定性，有很强的实用价值。
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