cn.smartjavaai.common.utils

类 OpenCVUtils

java.lang.Object

cn.smartjavaai.common.utils.OpenCVUtils

public class OpenCVUtils
extends Object

OpenCV 工具类

构造器概要

构造器

构造器和说明
OpenCVUtils()

方法概要

限定符和类型	方法和说明
static org.opencv.core.Mat	canny(org.opencv.core.Mat src) canny算法，边缘检测
static void	drawRectAndText(ai.djl.modality.cv.Image image, DetectionInfo detectionInfo) 绘制矩形框和文字
static void	drawRectAndText(ai.djl.modality.cv.Image image, List<DetectionInfo> detectionInfoList) 绘制矩形框和文字
static void	drawRectAndText(org.opencv.core.Mat mat, int x, int y, int width, int height, org.opencv.core.Scalar color, int thickness, String text, double fontScale, org.opencv.core.Scalar textColor) 在Mat上绘制矩形框和文字
static org.opencv.core.Mat	image2Mat(BufferedImage img) BufferedImage to Mat
static org.opencv.core.Mat	invertAffineTransform(org.opencv.core.Mat src) 变换矩阵的逆矩阵
static void	line(org.opencv.core.Mat mat, org.opencv.core.Point point1, org.opencv.core.Point point2) 画线
static BufferedImage	mat2Image(org.opencv.core.Mat mat) Mat to BufferedImage
static org.opencv.core.Mat	perspectiveTransform(org.opencv.core.Mat src, org.opencv.core.Mat srcPoints, org.opencv.core.Mat dstPoints) 透视变换
static org.opencv.core.Mat	toOpenCVMat(double[][] points) double[][] points array to Mat
static org.opencv.core.Mat	toOpenCVMat(ai.djl.ndarray.NDManager manager, ai.djl.ndarray.NDArray srcPoints, ai.djl.ndarray.NDArray dstPoints) NDArray to opencv_core.Mat

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

OpenCVUtils

public OpenCVUtils()

方法详细资料

canny

public static org.opencv.core.Mat canny(org.opencv.core.Mat src)

canny算法，边缘检测

参数:

src -

返回:

line

public static void line(org.opencv.core.Mat mat,
                        org.opencv.core.Point point1,
                        org.opencv.core.Point point2)

画线

参数:

mat -

point1 -

point2 -

toOpenCVMat

public static org.opencv.core.Mat toOpenCVMat(ai.djl.ndarray.NDManager manager,
                                              ai.djl.ndarray.NDArray srcPoints,
                                              ai.djl.ndarray.NDArray dstPoints)

NDArray to opencv_core.Mat

参数:

manager -

srcPoints -

dstPoints -

返回:

toOpenCVMat

public static org.opencv.core.Mat toOpenCVMat(double[][] points)

double[][] points array to Mat

参数:

points -

返回:

invertAffineTransform

public static org.opencv.core.Mat invertAffineTransform(org.opencv.core.Mat src)

变换矩阵的逆矩阵

参数:

src -

返回:

mat2Image

public static BufferedImage mat2Image(org.opencv.core.Mat mat)

Mat to BufferedImage

参数:

mat -

返回:

image2Mat

public static org.opencv.core.Mat image2Mat(BufferedImage img)

BufferedImage to Mat

参数:

img -

返回:

perspectiveTransform

public static org.opencv.core.Mat perspectiveTransform(org.opencv.core.Mat src,
                                                       org.opencv.core.Mat srcPoints,
                                                       org.opencv.core.Mat dstPoints)

透视变换

参数:

src -

srcPoints -

dstPoints -

返回:

drawRectAndText

public static void drawRectAndText(ai.djl.modality.cv.Image image,
                                   List<DetectionInfo> detectionInfoList)

绘制矩形框和文字

参数:

image -

detectionInfoList -

drawRectAndText

public static void drawRectAndText(ai.djl.modality.cv.Image image,
                                   DetectionInfo detectionInfo)

绘制矩形框和文字

参数:

image -

detectionInfo -

drawRectAndText

public static void drawRectAndText(org.opencv.core.Mat mat,
                                   int x,
                                   int y,
                                   int width,
                                   int height,
                                   org.opencv.core.Scalar color,
                                   int thickness,
                                   String text,
                                   double fontScale,
                                   org.opencv.core.Scalar textColor)

在Mat上绘制矩形框和文字

参数:

mat - 待绘制的Mat

x - 矩形左上角X

y - 矩形左上角Y

width - 矩形宽度

height - 矩形高度

color - 框的颜色，例如 new Scalar(0, 255, 0) 绿色

thickness - 框线宽度

text - 需要绘制的文字，可以为null或空

fontScale - 文字缩放比例

textColor - 文字颜色