1) adaptive wavelet thresholding
适应小波门限
1.
To solve some bad performances to the images of SureShrink and VisuShrink, an adaptive wavelet thresholding de-noising model based on HVS is constructed and a new de-noising method HVSShrink is proposed.
为了解决Sure Shrink及 Visu Shrink方法对重建图像带来的不良影响 ,建立了基于 HVS模型的适应小波门限降噪模型 ,提出 HVSShrink降噪策略。
2) adaptive threshold filtering
自适应门限滤波
1.
On the basis of the analysis of an infrared scene model,a frame detection method which uses the adaptive threshold filtering to restrain background and uses the adaptive threshold segmentation to segment targets is proposed against the signatures of the small weak infrared moving targets in air infrared images.
在分析红外场景模型的基础上,针对空中红外图像中弱小运动目标的特征,提出一种用自适应门限滤波对背景进行抑制、利用自适应阈值分割对目标进行分割的帧内处理方法；在帧间采用八邻域判决法对弱小目标进行检测；实践证明,该技术能有效提高图像的信噪比,从而达到有效分割和快速检测小目标的目的。
3) adaptive threshold median filter
自适应门限中值滤波
4) adaptive threshold
自适应门限
1.
Fast fractal coding method based on adaptive threshold;
基于自适应门限的快速分形编码方法
2.
Spread spectrum signals synchronous algorithm based on power spectrum estimation and adaptive threshold;
功率谱估计与自适应门限在扩频同步中的应用
3.
According to worsened performances of most voice activity detection methods at very low SNR,a new voice activity detection algorithm based on Teager energy operator(TEO) is presented,which can combine speech enhancement technology with Teager energy operator to conduct adaptive threshold judgments.
它能结合语音增强技术,应用Teager能量算子进行自适应门限判决。
5) adaptive threshold
门限自适应
1.
Fast intermode decision for H.264 based on adaptive threshold;
基于门限自适应的H.264帧间模式快速选择算法
6) Adaptive threshold(AT)
自适应门限(AT)
补充资料：超声波产科检查适应证
超声波产科检查适应证
产科范围超声波检查的适应证：①早期妊娠：肯定妊娠，子宫内还是子宫外，胚胎发育有无异常，此外，是否多胎，有无盆腔肿物等；②中期妊娠：肯定胎龄，胎儿存活，发育有无异常。胎盘定位，多胎妊娠，有无盆腔肿物，宫颈功能不全等；③晚期妊娠：胎儿存活，胎儿大小，有无畸形，羊水过多或过少，胎盘成熟度，胎盘定位，前置胎盘，胎盘早期剥离，胎盘异常，脐带异常，脐带绕颈，确定胎位，产科介入性超声：羊水穿刺等。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条