Three schemes were used to shrink the wavelet coefficients,namely hard-thresholding,soft-thresholding,and a tradeoff between soft-thresholding and hard-thresholding.
选用具有较好紧支性和正交性的Daubechies小波,对图像进行2D小波变换,并在对各层小波系数阈值处理时采用了软硬阈值方法以及改进的软硬阈值折衷方法。
A New Method to Suppress Cross-Terms of WVD via Thresholding Superimposition of Multiple Spectrograms;
首先对多幅具有不同时-频分辨率的谱图进行叠加,然后对叠加结果进行阈值处理,确定WVD自项在时频平面的支撑区域。
On Suppressing Cross-terms in WVD Via Thresholding Superimposition of Multiple Spectrograms;
频分辨率的谱图进行叠加，然后对叠加结果进行阈值处理确定WVD中自项在时频平面的支撑区域。
Furthermore, data processing algorithms are also studied in order to reduce the general unknown random errors.
分析了电参量测量中随机误差的产生原因;针对其中原因明确的多种随机误差,如:交流采样同步误差、A/D量化误差、有限字长误差、前置输入通道增益随机偏差等,分别提出了频率跟踪及软件同步改进、适当增加A/D芯片位数及采样点数、数字调零及增益自动校准、采用浮点数或较长定点数等等相应的抑制措施;对其它原因不明、或数量众多难以一一处理的随机误差,提出了剔除不良值、数字滤波等数值处理方法。
This paper presents an idea and method of application of standard automatic optimized genetic algorithms to the image threshold handling.
提出了将自寻优标准遗传算法用于阈值处理的思路与方法，论证了实施该方法的可行性，并针对此算法的不足之处提出了一种新的改进型遗传算法。
Finally,the denoised signal was achieved by the invert WPD.
最后,由阈值处理后的系数重构信号,得到正确的传输码。
Image Processing Technologies in Laser Damage Threshold Testing;
激光损伤阈值测试中的图像处理技术
Threshold Skyline Query Processing in Uncertain Databases
不确定数据库中的阈值轮廓查询处理
The three means of constraint, acquiescent threshold value, and given soft/hard threshold value were used to eliminate signal noise.
其消噪处理有强制、默认阈值和给定软/硬阈值3种方法。
A New Algorithm of Cloud Removing for Optical Images Based on Wavelet Threshold Theory
基于小波阈值理论的光学图像去云处理新算法
Application of the theory of wavelet analysis and the distribution of noise on the monitoring data of project
基于小波阈值去噪理论的监测数据处理方法
Noise Processing of MEMS Gyro Based on Improved Wavelet Threshold Method
基于改进小波阈值法处理MEMS陀螺信号噪声
Silicon Micro-Gyroscope Signal Processing method Based on Adaptive Wavelet Thresholding
基于自适应小波阈值的硅微陀螺信号处理方法
Application of Wavelet Threshold Denoising Method in Echo Processing of Ultrasonic Pressure Measurement
小波阈值去噪在超声测压回波处理中的应用
Arithmetic of threshold selected automatically for image processing of arc-V-shape weld seam
V型焊缝图像处理中阈值自动选取的一种算法
The application of de noising by soft thresholding on wavelet transform to ultrasonic detection echo is discussed.
研究小波变换软阈值去噪方法在超声检测回波处理中的应用。
A Study to Wavelet Soft-Thresholding Algorithm with Application to SAR Image De-Noising;
小波软阈值算法在SAR图像去噪处理中的应用研究
Application of Wavelet Threshold Denoising Model to Infrared Spectral Signal Processing
小波阈值降噪模型在红外光谱信号处理中的应用研究
Application of Wavelet Threshold Denoising to Crane Trolley Track Vibration Signal processing
小波阈值降噪在岸桥小车轨道振动信号处理中的应用
APPLICATION OF IMPROVED WAVELET THRESHOLD DE-NOISING IN TURBULENT SIGNAL PROCESSING
改进的小波阈值消噪法在湍流信号处理中的应用
Wavelet transform threshold noise reduction methods and the application in automatic rifle
小波变换阈值降噪方法及在武器自动机数据处理中的应用
The Research of the Physiological and Pathological Convulsive Thresholds in Brain;
癫痫的生理与病理性惊厥阈值的实验探讨
We designed cavity surface film of high damage threshold.
并从理论上设计出了高损伤阈值腔面膜。
