当前位置: 首页>>代码示例>>Java>>正文


Java ArrayUtils.maxValue方法代码示例

本文整理汇总了Java中org.openimaj.util.array.ArrayUtils.maxValue方法的典型用法代码示例。如果您正苦于以下问题:Java ArrayUtils.maxValue方法的具体用法?Java ArrayUtils.maxValue怎么用?Java ArrayUtils.maxValue使用的例子?那么恭喜您, 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org.openimaj.util.array.ArrayUtils的用法示例。


在下文中一共展示了ArrayUtils.maxValue方法的6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: detect

import org.openimaj.util.array.ArrayUtils; //导入方法依赖的package包/类
@Override
public double detect(double[] col) {
	double mid = ArrayUtils.quickSelect(col, col.length/2);
	if(ArrayUtils.minValue(col) == mid) 
		mid += Double.MIN_NORMAL;
	if(ArrayUtils.maxValue(col) == mid) 
		mid -= Double.MIN_NORMAL;
	return 0;
}
 
开发者ID:openimaj,项目名称:openimaj,代码行数:10,代码来源:SplitDetectionMode.java

示例2: analyseImage

import org.openimaj.util.array.ArrayUtils; //导入方法依赖的package包/类
@Override
public void analyseImage(MBFImage image) {
	image.analyseWith(saliencyGenerator);
	final TObjectFloatHashMap<ConnectedComponent> componentMap = saliencyGenerator.getSaliencyComponents();

	final float max = ArrayUtils.maxValue(componentMap.values());

	final FImage map = new FImage(image.getWidth(), image.getHeight());
	final float thresh = max * alpha;
	final BoundingBoxRenderer<Float> renderer = new BoundingBoxRenderer<Float>(map, 1F, true);

	componentMap.forEachEntry(new TObjectFloatProcedure<ConnectedComponent>() {
		@Override
		public boolean execute(ConnectedComponent cc, float sal) {
			if (sal >= thresh) { // note that this is reversed from the
				// paper, which doesn't seem to make
				// sense.
				renderer.process(cc);
			}

			return true;
		}
	});

	roiProportion = 0;
	for (int y = 0; y < map.height; y++)
		for (int x = 0; x < map.width; x++)
			roiProportion += map.pixels[y][x];

	roiProportion /= (map.width * map.height); // smaller simplicity means
	// smaller ROI
}
 
开发者ID:openimaj,项目名称:openimaj,代码行数:33,代码来源:ROIProportion.java

示例3: logsumexp

import org.openimaj.util.array.ArrayUtils; //导入方法依赖的package包/类
private double[] logsumexp(double[][] data) {
	final double[] lse = new double[data.length];
	for (int i = 0; i < data.length; i++) {
		final double max = ArrayUtils.maxValue(data[i]);

		for (int j = 0; j < data[0].length; j++) {
			lse[i] += Math.exp(data[i][j] - max);
		}
		lse[i] = max + Math.log(lse[i]);
	}
	return lse;
}
 
开发者ID:openimaj,项目名称:openimaj,代码行数:13,代码来源:MixtureOfGaussians.java

示例4: colourTemperatureCorrection

import org.openimaj.util.array.ArrayUtils; //导入方法依赖的package包/类
/**
 * Correct colour temperature using the method documented at Tanner Helland.
 * Calculated the black body colour for the given temperature and alpha
 * blends that with a constant luminance with the original image at the
 * given strength. Only works on RGB images. Side affects the incoming
 * image.
 * 
 * @param image
 * @param colourTemperature
 *            The colour temperature.
 * @param strength
 *            The strength of colour correction
 * 
 * @see "http://www.tannerhelland.com/4435/convert-temperature-rgb-algorithm-code/"
 * @return The affected image.
 */
public static MBFImage colourTemperatureCorrection(final MBFImage image,
		final double colourTemperature, final double strength)
{
	if (image.colourSpace != ColourSpace.RGB)
		throw new IllegalArgumentException("Colour correction only available for RGB images. " +
				"Try using the colour transforms to convert to RGB.");

	// Get the black body colour for the given temperature.
	final double rgb[] = Transforms.kelvinToRGB(colourTemperature);

	final float[] pix = new float[image.numBands()];
	final float[] oPix = new float[image.numBands()];
	for (int y = 0; y < image.getHeight(); y++)
	{
		for (int x = 0; x < image.getWidth(); x++)
		{
			for (int b = 0; b < image.numBands(); b++)
			{
				float f = image.getBand(b).pixels[y][x];
				oPix[b] = f;
				f = (float) (f * strength + rgb[b] * (1f - strength));
				pix[b] = f;
			}

			// pix contains the alpha blended original pixels. Calculate HSL
			Transforms.RGB_TO_HSL(pix, pix);

			// subsititue the luminance of original pixels
			pix[2] = (ArrayUtils.maxValue(oPix) + ArrayUtils.minValue(oPix)) / 2f;

			// Transform back to RGB
			Transforms.HSL_TO_RGB(pix, pix);

			for (int b = 0; b < image.numBands(); b++)
				image.getBand(b).pixels[y][x] = pix[b];
		}
	}

	return image;
}
 
开发者ID:openimaj,项目名称:openimaj,代码行数:57,代码来源:Transforms.java

示例5: calculateThreshold

import org.openimaj.util.array.ArrayUtils; //导入方法依赖的package包/类
/**
 * Estimate the threshold for the given data.
 * <p>
 * Internally, the data will be min-max normalised before the histogram is
 * built, and the specified number of bins will cover the entire
 * <code>max-min</code> range. The returned threshold will have
 * <code>min</code> added to it to return it to the original range.
 * 
 * @param data
 *            the data
 * @param numBins
 *            the number of histogram bins
 * @return the estimated threshold
 */
public static float calculateThreshold(float[] data, int numBins) {
	final float min = ArrayUtils.minValue(data);
	final float max = ArrayUtils.maxValue(data);
	final int[] histData = makeHistogram(data, numBins, min, max);

	return computeThresholdFromHistogram(histData, data.length) + min;
}
 
开发者ID:openimaj,项目名称:openimaj,代码行数:22,代码来源:OtsuThreshold.java

示例6: calculateThresholdAndVariance

import org.openimaj.util.array.ArrayUtils; //导入方法依赖的package包/类
/**
 * Estimate the threshold and inter-class variance for the given data.
 * <p>
 * Internally, the data will be min-max normalised before the histogram is
 * built, and the specified number of bins will cover the entire
 * <code>max-min</code> range. The returned threshold will have
 * <code>min</code> added to it to return it to the original range.
 * 
 * @param data
 *            the data
 * @param numBins
 *            the number of histogram bins
 * @return the estimated threshold and variance
 */
public static FloatFloatPair calculateThresholdAndVariance(float[] data, int numBins) {
	final float min = ArrayUtils.minValue(data);
	final float max = ArrayUtils.maxValue(data);
	final int[] histData = makeHistogram(data, numBins, min, max);

	final FloatFloatPair result = computeThresholdAndVarianceFromHistogram(histData, data.length);
	result.first += min;
	return result;
}
 
开发者ID:openimaj,项目名称:openimaj,代码行数:24,代码来源:OtsuThreshold.java


注:本文中的org.openimaj.util.array.ArrayUtils.maxValue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。