cn.smartjavaai.ocr.utils

类 OcrUtils

java.lang.Object

cn.smartjavaai.ocr.utils.OcrUtils

public class OcrUtils
extends Object

作者:

dwj

构造器概要

构造器

构造器和说明
OcrUtils()

方法概要

限定符和类型	方法和说明
static OcrInfo	convertRotatedBoxesToOcrItems(List<RotatedBox> rotatedBoxes)
static List<List<OcrBox>>	convertToOcrBox(List<ai.djl.ndarray.NDList> ndLists) 转换为OcrBox
static List<OcrBox>	convertToOcrBox(ai.djl.ndarray.NDList dt_boxes) 转换为OcrBox
static OcrInfo	convertToOcrInfo(List<ArrayList<RotatedBoxCompX>> lines) 转换为OcrInfo
static List<PlateInfo>	convertToPlateInfo(ai.djl.modality.cv.output.DetectedObjects detectedObjects, ai.djl.modality.cv.Image image)
static void	drawPlateInfo(BufferedImage image, List<PlateInfo> plateInfoList) 在图像上绘制带白色背景、黑色文字的文本
static void	drawPlateInfo(org.opencv.core.Mat srcMat, List<PlateInfo> plateInfoList) 绘制车牌信息
static void	drawRect(org.opencv.core.Mat mat, List<OcrBox> boxList) 绘制文本框
static void	drawRectWithText(BufferedImage image, OcrInfo ocrInfo, int fontSize) 绘制文本框及文本
static void	drawRectWithText(org.opencv.core.Mat srcMat, List<OcrItem> itemList) 绘制文本框及文本
static ai.djl.modality.cv.Image	rotateImg(ai.djl.modality.cv.Image image, AngleEnum angleEnum) 逆时针旋转图片
static ai.djl.modality.cv.Image	rotateImg(ai.djl.modality.cv.Image image, int times) 逆时针旋转图片
static ai.djl.modality.cv.Image	rotateImg(ai.djl.ndarray.NDManager manager, ai.djl.modality.cv.Image image) 图片旋转
static ai.djl.modality.cv.Image	transformAndCrop(org.opencv.core.Mat srcMat, List<ai.djl.modality.cv.output.Point> landMarks) 透视变换 + 裁剪
static ai.djl.modality.cv.Image	transformAndCrop(org.opencv.core.Mat srcMat, OcrBox box) 透视变换+裁剪

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

OcrUtils

public OcrUtils()

方法详细资料

convertToOcrBox

public static List<OcrBox> convertToOcrBox(ai.djl.ndarray.NDList dt_boxes)

转换为OcrBox

参数:

dt_boxes -

返回:

convertToOcrBox

public static List<List<OcrBox>> convertToOcrBox(List<ai.djl.ndarray.NDList> ndLists)

转换为OcrBox

参数:

dt_boxes -

返回:

rotateImg

public static ai.djl.modality.cv.Image rotateImg(ai.djl.ndarray.NDManager manager,
                                                 ai.djl.modality.cv.Image image)

图片旋转

参数:

manager -

image -

返回:

rotateImg

public static ai.djl.modality.cv.Image rotateImg(ai.djl.modality.cv.Image image,
                                                 int times)

逆时针旋转图片

参数:

image -

times -

返回:

rotateImg

public static ai.djl.modality.cv.Image rotateImg(ai.djl.modality.cv.Image image,
                                                 AngleEnum angleEnum)

逆时针旋转图片

参数:

image -

angleEnum -

返回:

convertToOcrInfo

public static OcrInfo convertToOcrInfo(List<ArrayList<RotatedBoxCompX>> lines)

转换为OcrInfo

参数:

lines -

返回:

convertRotatedBoxesToOcrItems

public static OcrInfo convertRotatedBoxesToOcrItems(List<RotatedBox> rotatedBoxes)

transformAndCrop

public static ai.djl.modality.cv.Image transformAndCrop(org.opencv.core.Mat srcMat,
                                                        List<ai.djl.modality.cv.output.Point> landMarks)

透视变换 + 裁剪

参数:

srcMat -

landMarks -

返回:

transformAndCrop

public static ai.djl.modality.cv.Image transformAndCrop(org.opencv.core.Mat srcMat,
                                                        OcrBox box)

透视变换+裁剪

参数:

srcMat -

box -

返回:

drawRect

public static void drawRect(org.opencv.core.Mat mat,
                            List<OcrBox> boxList)

绘制文本框

参数:

mat -

boxList -

drawRectWithText

public static void drawRectWithText(BufferedImage image,
                                    OcrInfo ocrInfo,
                                    int fontSize)

绘制文本框及文本

参数:

image -

ocrInfo -

drawRectWithText

public static void drawRectWithText(org.opencv.core.Mat srcMat,
                                    List<OcrItem> itemList)

绘制文本框及文本

参数:

srcMat -

itemList -

convertToPlateInfo

public static List<PlateInfo> convertToPlateInfo(ai.djl.modality.cv.output.DetectedObjects detectedObjects,
                                                 ai.djl.modality.cv.Image image)

drawPlateInfo

public static void drawPlateInfo(org.opencv.core.Mat srcMat,
                                 List<PlateInfo> plateInfoList)

绘制车牌信息

参数:

srcMat -

plateInfoList -

drawPlateInfo

public static void drawPlateInfo(BufferedImage image,
                                 List<PlateInfo> plateInfoList)

在图像上绘制带白色背景、黑色文字的文本