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Java MetricsUtils.distL1方法代码示例

本文整理汇总了Java中net.semanticmetadata.lire.utils.MetricsUtils.distL1方法的典型用法代码示例。如果您正苦于以下问题:Java MetricsUtils.distL1方法的具体用法?Java MetricsUtils.distL1怎么用?Java MetricsUtils.distL1使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在net.semanticmetadata.lire.utils.MetricsUtils的用法示例。


在下文中一共展示了MetricsUtils.distL1方法的7个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: getDistance

import net.semanticmetadata.lire.utils.MetricsUtils; //导入方法依赖的package包/类
public float getDistance(LireFeature vd) {
    // Check if instance of the right class ...
    if (!(vd instanceof SimpleColorHistogram))
        throw new UnsupportedOperationException("Wrong descriptor.");

    // casting ...
    SimpleColorHistogram ch = (SimpleColorHistogram) vd;

    // check if parameters are fitting ...
    if ((ch.histogram.length != histogram.length) || (ch.histogramType != histogramType))
        throw new UnsupportedOperationException("Histogram lengths or color spaces do not match");

    // do the comparison ...
    double sum = 0;
    if (distFunc == DistanceFunction.JSD)
        return (float) MetricsUtils.jsd(histogram, ch.histogram);
    else if (distFunc == DistanceFunction.TANIMOTO)
        return (float) MetricsUtils.tanimoto(histogram, ch.histogram);
    else if (distFunc == DistanceFunction.L1)
        return (float) MetricsUtils.distL1(histogram, ch.histogram);
    else
        return (float) MetricsUtils.distL2(histogram, ch.histogram);
}
 
开发者ID:fish2000,项目名称:lire,代码行数:24,代码来源:SimpleColorHistogram.java

示例2: getDistance

import net.semanticmetadata.lire.utils.MetricsUtils; //导入方法依赖的package包/类
public float getDistance(LireFeature feature) {
        // chi^2 distance ... as mentioned in the paper.
//        double distance = 0;
//        double lower;
//        for (int i = 0; i < histogram.length; i++) {
//            lower = histogram[i] + ((BinaryPatternsPyramid) feature).histogram[i];
//            if (lower > 0)
//                distance += (histogram[i] - ((BinaryPatternsPyramid) feature).histogram[i]) * (histogram[i] - ((BinaryPatternsPyramid) feature).histogram[i]) / lower;
//        }
//        return (float) distance;
        return (float) MetricsUtils.distL1(histogram, ((BinaryPatternsPyramid) feature).histogram);
    }
 
开发者ID:fish2000,项目名称:lire,代码行数:13,代码来源:BinaryPatternsPyramid.java

示例3: getDistance

import net.semanticmetadata.lire.utils.MetricsUtils; //导入方法依赖的package包/类
public float getDistance(LireFeature feature) {
        // chi^2 distance ... as mentioned in the paper.
//        double distance = 0;
//        double lower;
//        for (int i = 0; i < histogram.length; i++) {
//            lower = histogram[i] + ((PHOG) feature).histogram[i];
//            if (lower > 0)
//                distance += (histogram[i] - ((PHOG) feature).histogram[i]) * (histogram[i] - ((PHOG) feature).histogram[i]) / lower;
//        }
//        return (float) distance;
        return (float) MetricsUtils.distL1(histogram, ((PHOG) feature).histogram);
    }
 
开发者ID:fish2000,项目名称:lire,代码行数:13,代码来源:PHOG.java

示例4: getDistance

import net.semanticmetadata.lire.utils.MetricsUtils; //导入方法依赖的package包/类
@Override
public float getDistance(LireFeature feature) {
    // it is assumed that the histograms are of equal length.
    assert(feature.getDoubleHistogram().length == data.length);
    return (float) MetricsUtils.distL1(feature.getDoubleHistogram(), data);
}
 
开发者ID:fish2000,项目名称:lire,代码行数:7,代码来源:GenericDoubleLireFeature.java

示例5: getDistance

import net.semanticmetadata.lire.utils.MetricsUtils; //导入方法依赖的package包/类
public float getDistance(LireFeature feature) {
    return (float) MetricsUtils.distL1(histogram, ((LuminanceLayout) feature).histogram);
}
 
开发者ID:fish2000,项目名称:lire,代码行数:4,代码来源:LuminanceLayout.java

示例6: getDistance

import net.semanticmetadata.lire.utils.MetricsUtils; //导入方法依赖的package包/类
@Override
public float getDistance(LireFeature feature) {
    if (!(feature instanceof SPLBP)) return -1;
    return (float) MetricsUtils.distL1(histogram, feature.getDoubleHistogram());
}
 
开发者ID:fish2000,项目名称:lire,代码行数:6,代码来源:SPLBP.java

示例7: getDistance

import net.semanticmetadata.lire.utils.MetricsUtils; //导入方法依赖的package包/类
@Override
public float getDistance(LireFeature feature) {
    return (float) MetricsUtils.distL1(histogram, feature.getDoubleHistogram());
}
 
开发者ID:fish2000,项目名称:lire,代码行数:5,代码来源:RotationInvariantLocalBinaryPatterns.java


注:本文中的net.semanticmetadata.lire.utils.MetricsUtils.distL1方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。