目的:提高对原发性胆囊癌的诊断准确率,观察和分析胆囊肿瘤和胆囊动脉的血流参数。
Objective:In order to improve diagnosis accuracy for primary gallbladder cancer, Doppler flow spectrum parameters were observed and analysed within tumors and the gallbladder artery.
为提高沙尘暴的预报准确率,针对目前已出现的RBF - SVM沙尘暴预报模型中的参数优化进行研究。
To improve the accuracy of sand-dust storm forecasting, an RBF-SVM method with automatic parameter selection was presented in this paper.
我们的评估,显示在合成数据和真实测试数据集上都有较高的准确率,并调查到一些训练影响参数。
Our evaluation shows high accuracy on both synthetic and real test sets, and investigates the effect of several training parameters.
讨论了特征归一化对分类准确率和分类器参数的影响。
The effects of normalization on the accuracy of classification and parameter optimization are discussed.
模型结构采用不同的形式表达,参数估计的最低准确率约为93%。
Different expressions of the model structure are adopted, and the lowest accuracy of the parameters estimation is about 93%.
因此,加强调查和试验研究,准确率定参数,是合理确定绿洲适宜面积的努力方向。
Therefore, strengthening the investigation and experiments so as to get the proper parameters, this is the way we should take when defining a fitting area of oasis.
仿真结果表明:所提方法对模拟电路的硬故障与元件参数偏移较小的软故障均适用,故障检测与定位准确率高。
The simulation results show that the proposed method can detect and locate catastrophic and parametric faults of tolerance circuits and has satisfactory diagnosis accuracy.
算法通过对参数选取一组值代替仅选择一个值,克服了单个参数值选取困难的问题,能够得到更高的分类准确率。
The algorithm resolves the problem of selecting parameter value and can get higher classifying accuracy via selecting a group of parameter values instead of only one value.
影响基于视频检测的车型分类系统准确率的一个主要因素是采集的车辆外型参数的准确性。
Research shows that a major factor that influences vehicle classification system based on video accuracy rate is the accurate of the vehicle parameters.
结果表明,优化核参数的支持向量机分类器准确率高,实时性好。
The classification accuracies indicated that the optimal kernel-parameter method could get optimal results.
结果表明,优化核参数的支持向量机分类器准确率高,实时性好。
The classification accuracies indicated that the optimal kernel-parameter method could get optimal results.
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