divenswu
2 years ago
10 changed files with 428 additions and 11 deletions
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package com.visual.open.anpr.core.domain; |
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import org.opencv.core.CvType; |
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import org.opencv.core.Mat; |
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import javax.imageio.ImageIO; |
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import java.awt.*; |
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import java.awt.image.BufferedImage; |
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import java.awt.image.DataBufferByte; |
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import java.io.File; |
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import java.io.IOException; |
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public class DrawImage { |
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private BufferedImage image; |
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private DrawImage(BufferedImage image){ |
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this.image = image; |
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} |
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public static DrawImage build(String image){ |
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try { |
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return build(ImageIO.read(new File(image))); |
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} catch (IOException e) { |
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throw new RuntimeException(e); |
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} |
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} |
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public static DrawImage build(BufferedImage image){ |
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return new DrawImage(image); |
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} |
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private static int getLength(String text) { |
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int textLength = text.length(); |
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int length = textLength; |
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for (int i = 0; i < textLength; i++) { |
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if (String.valueOf(text.charAt(i)).getBytes().length > 1) { |
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length++; |
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} |
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} |
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return (length % 2 == 0) ? length / 2 : length / 2 + 1; |
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} |
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public DrawImage drawRect(Rect rect, int lineWidth, Color color){ |
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Graphics2D g = (Graphics2D)image.getGraphics(); |
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g.setColor(color); |
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g.setStroke(new BasicStroke(lineWidth)); |
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g.drawRect(rect.x, rect.y, rect.width, rect.height); |
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return this; |
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} |
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public DrawImage drawLine(Point point1, Point point2, int lineWidth, Color color){ |
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Graphics2D g = (Graphics2D)image.getGraphics(); |
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g.setColor(color); |
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g.setStroke(new BasicStroke(lineWidth)); |
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g.drawLine(point1.x, point1.y, point2.x, point2.y); |
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return this; |
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} |
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public DrawImage drawText(String text, Point point, int fontSize, Color color){ |
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Graphics2D g = image.createGraphics(); |
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g.setColor(color); |
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g.setFont(new Font("微软雅黑", Font.PLAIN, fontSize)); |
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g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_ATOP, 1)); |
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int width_1 = fontSize * getLength(text); |
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int height_1 = fontSize; |
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int widthDiff = image.getWidth() - width_1; |
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int heightDiff = image.getHeight() - height_1; |
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if(point.x < 0){ |
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point.x = widthDiff / 2; |
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}else if(point.x > widthDiff){ |
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point.x = widthDiff; |
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} |
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if(point.y < 0){ |
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point.y = heightDiff / 2; |
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}else if(point.y > heightDiff){ |
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point.y = heightDiff; |
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} |
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g.drawString(text, point.x, point.y + height_1); |
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return this; |
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} |
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public Mat toMat(){ |
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try { |
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if(image.getType() != BufferedImage.TYPE_3BYTE_BGR){ |
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BufferedImage temp = new BufferedImage(image.getWidth(), image.getHeight(), BufferedImage.TYPE_3BYTE_BGR); |
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Graphics2D g = temp.createGraphics(); |
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try { |
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g.setComposite(AlphaComposite.Src); |
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g.drawImage(image, 0, 0, null); |
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} finally { |
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g.dispose(); |
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} |
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image = temp; |
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} |
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byte[] pixels = ((DataBufferByte) image.getRaster().getDataBuffer()).getData(); |
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Mat mat = Mat.eye(image.getHeight(), image.getWidth(), CvType.CV_8UC3); |
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mat.put(0, 0, pixels); |
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return mat; |
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}catch (Exception e){ |
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throw new RuntimeException(e); |
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} |
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} |
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public static class Rect{ |
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public int x; |
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public int y; |
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public int width; |
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public int height; |
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public Rect(int x, int y, int width, int height) { |
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this.x = x; |
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this.y = y; |
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this.width = width; |
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this.height = height; |
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} |
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} |
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public static class Point{ |
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public int x; |
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public int y; |
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public Point(int x, int y) { |
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this.x = x; |
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this.y = y; |
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} |
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} |
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} |
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@ -0,0 +1,39 @@ |
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package com.visual.open.anpr.core.domain; |
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import org.opencv.core.Point; |
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import java.util.List; |
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public class Polygon { |
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private List<Point> points; |
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public Polygon(List<Point> points){ |
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this.points = points; |
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} |
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public double getArea(){ |
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int i, j; |
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double area = 0; |
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for (i = 0; i < this.points.size(); i++) |
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{ |
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j = (i + 1) % this.points.size(); |
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area += this.points.get(i).x * this.points.get(j).y; |
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area -= this.points.get(i).y * this.points.get(j).x; |
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} |
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area /= 2; |
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return Math.abs(area); |
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} |
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public double getLength(){ |
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double result = 0; |
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for (int i = 0; i < this.points.size(); i++){ |
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Point u = points.get(i); |
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Point v = (i+1==this.points.size()) ? points.get(0): points.get(i+1); |
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double m = u.x - v.x; |
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double n = u.y - v.y; |
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result += Math.sqrt(m * m + n * n); |
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} |
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return result; |
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} |
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} |
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@ -0,0 +1,41 @@ |
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package com.visual.open.anpr.core.models; |
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import com.visual.open.anpr.core.domain.DrawImage; |
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import com.visual.open.anpr.core.domain.ImageMat; |
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import com.visual.open.anpr.core.domain.PlateInfo; |
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import java.awt.*; |
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import java.util.HashMap; |
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import java.util.List; |
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public class PaddlePlateDetectionTest { |
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public static void main(String[] args) { |
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PaddlePlateDetection detection = new PaddlePlateDetection("open-anpr-core/src/main/resources/models/det.onnx", 1); |
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String imagePath = "open-anpr-core/src/test/resources/images/image005.jpg"; |
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ImageMat imageMat = ImageMat.fromImage(imagePath); |
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List<PlateInfo> plateInfos = detection.inference(imageMat, 1,1, new HashMap<>()); |
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DrawImage drawImage = DrawImage.build(imagePath); |
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for(PlateInfo plateInfo : plateInfos){ |
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PlateInfo.Point [] points = plateInfo.box.toArray(); |
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for(int i =0; i< points.length; i++){ |
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if(i+1 == points.length){ |
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drawImage.drawLine( |
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new DrawImage.Point((int)points[i].x, (int)points[i].y), |
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new DrawImage.Point((int)points[0].x, (int)points[0].y), |
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2, Color.RED |
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); |
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}else{ |
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drawImage.drawLine( |
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new DrawImage.Point((int)points[i].x, (int)points[i].y), |
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new DrawImage.Point((int)points[i+1].x, (int)points[i+1].y), |
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2, Color.RED |
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); |
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} |
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} |
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} |
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ImageMat.fromCVMat(drawImage.toMat()).imShow(); |
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} |
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} |
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After Width: | Height: | Size: 107 KiB |
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After Width: | Height: | Size: 64 KiB |
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After Width: | Height: | Size: 40 KiB |
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After Width: | Height: | Size: 390 KiB |
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After Width: | Height: | Size: 67 KiB |
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