This article has introduced an improved algorithm variable difference threshold value which is based on gradient.

文章介绍了一种改进的基于斜率的可变差分阈值算法。

An interruption threshold is the difference between the time a request for the information was initiated and the time a response to the request was sent.

中断阈值即为发起信息请求的时间和发送对该请求的回复的时间之间的距离。

Obviously, the dynamic threshold is to use quasi-peak level that, while the signal to noise ratio is expressed with the quasi-average levels, and the difference is obvious in.

显见，动态阈是用准峰值电平表示，而信噪比则是用准平均值电平表示的，两者的区别是显而易见的了。

The threshold voltage and the peak of proportional difference for MOSFET devices will change after the uniform high electric field stress.

在均匀的高电场应力下，MOSFET器件的阈值电压和输出特性的比例差分峰值会有所改变。

This system detected motion target using difference image method through threshold image segmentation, then automatically tracked target by using centroid tracking algorithm.

该系统运用差分图像法，通过阈值图像分割来检测运动目标，并采用形心跟踪算法来自动跟踪目标。

Watermark detection is implemented by comparing the new difference of mean values of watermarked image blocks with the threshold values.

在水印提取时，计算分块的新的均差值并与所设门限进行比较，从而检测嵌入的原始水印值。

Shot detection method often USES difference between frames to compute boundary detection threshold. In this paper, a quadratic difference based method for abrupt shot detection is presented.

通常的镜头检测方法都是利用帧间差来计算镜头边界的检测阈值，该文提出了一种基于二次帧差的突变镜头检测方法。

This method splits difference image into a set of subimages, and determines segmentation threshold of the whole scene by combining the thresholds of subimages.

该方法将差异图像分割成子图像，通过求子图像的局部阈值来确定差异图像的整体阈值。

It selects a threshold from a certain range to regard as one threshold which is the best threshold just as it makes the difference of stroke width in testing and model seal image minimum.

选定一定范围的灰度值作为可能的阈值，从中选出使待验章和样本章的笔划宽度相差最小时的阈值作为最佳阈值。

Based on the analysis and on the ratio between region energy threshold difference and region area, the adaptive multiscale edge detection method is developed.

在此基础上提出了一种基于区域能量阈值差与区域面积比值的自适应多尺度方法，最后给出了仿真实验以及与传统方法的对比。

Normal hearing people's hearing threshold value under different background noises had significant difference.

环境中，健听人的听阈值具有显著性差异。

Indirect Difference method made it easier to choose a threshold while getting the binary image. Mirroring image made it comparable between the images in different direction.

采用间接差分法能更好地选择阈值进行二值化，对图像进行镜像处理使得不同行走方向的步态轮廓之间具有可比性。

Is it a difference in the way the nerves develop or that the pain threshold is lower?

是神经发育的方式存在差异还是疼痛阈值更低？

The relationship between the threshold voltage and the peak of proportional difference, and between the interface trap density and stress time are also acquired.

得到了阈值电压和比例差分峰值，界面陷阱密度和应力时间的关系。

Finally, we use the principle of wavelet edge detection and suggest an algorithm of automatic threshold choice according to difference color background in wavelet edge detection.

利用小波边缘检测原理，给出一种能根据不同彩色背景自动选取阀值的小波边缘检测算法。

Based on global threshold, a new dynamic thresholding approach is proposed which is adjusted with th weighting of the difference between neighbor average grey and global threshold.

以全局阈值为基础，用邻域平均灰度与全局阈值之差的加权值对其进行调整，从而形成一种新的动态阈值分割法。

There was no statistical difference in the olfactory threshold among W-workers, pathologists and controls(P>0.05).

三组人员的嗅觉阈差异无统计学意义（P >0 .0 5 ）。

The performances of modern colour-difference formulae were investigated to evaluate very small colour difference at human eyes threshold level based on object surface colours.

基于物体表面色样本的视觉评价，测试常用色差公式在人眼阈值水平的微小色差预测性能。

Same-parity fields are used to improve the accuracy of motion estimation. It estimates the motion by comparing the sum of absolute block difference(SAD) between 4 fields with the threshold of motion.

运动估计通过比较同极性场的像素块绝对值差和（SAD）与运动阈值实现运动估计，并且利用前一场的运动信息进行鲁棒性处理，提高运动检测的精度。

In the meanwhile, it presents a new method to calculate the threshold of CCD pulse sequence based on the theory of difference equation.

同时，本文首次提出了用后向差分理论，确定CC D脉冲序列阈值的新方法。

Therefore, there is always a difference between the medium temperature and the threshold temperature of the infrared detector.

因此，总有媒体之间的温度和红外探测器的门槛温差。

The image sensor normally operates in the difference mode and switches to the WDR mode when the difference between consecutive frames is over a threshold.

图像传感器通常工作在差分模式，且当连续帧间的差异超过阈值时，切换到宽动态范围模式。

Objective To investigate the difference and relationship between auditory steady-state evoked response(ASSR threshold), auditory brain stem response(ABR threshold) and pure tone threshold.

目的研究听觉稳态诱发反应（ASSR）和听性脑干反应（ABR）阈与纯音听阈的差别和相关性。

The third data transfer rate is negotiated with the first network for downloading the video program when the difference between the first and third data transfer rates exceeds a threshold level.

当所述第一和第三数据传输速度之差超过阈值级时，与所述第一接入网络协商第三数据传输速度，用于下载所述视频节目。

An improved median filtering based on a simple threshold is introduced by considering the difference in the noise disposal of the averaging method and the median filtering.

综合考虑均值法和中值法在处理噪声类型上的不同，提出了一种基于简单阈值的改进型中值法。

Based on the difference in physical properties between ice and water, a criterion distinguishing ice from water is set up and the threshold value of brightness is achieved.

根据物理和统计方法建立了冰厚与亮温的对应关系，分别对海冰冰厚分布进行了反演，得到了与实况较为一致的冰厚分布。

Firstly, a rough motion mask is obtained by introducing a motion area segmentation method based on an improved accumulative frame- difference algorithm and optimal threshold segmentation.

利用小波包分析算法提取出单帧图像的边缘信息并获得细化的目标区域边缘图；

The fault occurs if the difference between them equals or exceeds the threshold. Robustness, sensitivity and stability are analyzed.

同时详细地分析了该方法的鲁棒性、灵敏性和稳定性。