Merge remote-tracking branch 'origin/0.8.X' into 0.8.X
This commit is contained in:
@@ -8,10 +8,15 @@ 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.io.File;
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import java.io.FileNotFoundException;
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import java.io.IOException;
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import java.io.InputStream;
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import java.net.URL;
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import java.nio.file.Files;
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import java.nio.file.StandardCopyOption;
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public class Application {
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/**
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* @Description: 识别图片中的文字
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* @param args
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@@ -19,41 +24,47 @@ public class Application {
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public static void main(String[] args) {
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try {
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// 获取本地图片
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File file = new File("D:\\桌面\\照片\\11.png");
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if (!file.exists()) {
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System.err.println("图片文件不存在: " + file.getAbsolutePath());
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return;
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}
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// File file = new File("D:\\test.png");
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String imageUrl = "http://47.117.71.33:11296/api/v1/buckets/fadapp-update/objects/download?preview=true&prefix=%E5%BE%AE%E4%BF%A1%E5%9B%BE%E7%89%87_20250731172707.png&version_id=null";
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// 读取网络图片为 BufferedImage
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URL url = new URL(imageUrl);
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InputStream inputStream = url.openStream();
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BufferedImage image = ImageIO.read(inputStream);
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inputStream.close();
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// 预处理图片
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BufferedImage bufferedImage = preprocessImage(image);
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System.out.println("开始OCR识别...");
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System.out.println("图片路径: " + file.getAbsolutePath());
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// 创建Tesseract对象
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ITesseract tesseract = new Tesseract();
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// 设置字体库路径
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tesseract.setDatapath("D:\\front");
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// 设置字体库路径(绝对路径)
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tesseract.setDatapath("D:\\tessdata");
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/* File tessdataDir = exportTessdataToTemp(); // 从 classpath 复制到临时目录
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tesseract.setDatapath(tessdataDir.getAbsolutePath());*/
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// 设置语言简体中文
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tesseract.setLanguage("chi_sim");
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// 优化OCR配置
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tesseract.setPageSegMode(6); // 假设统一的文本块
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tesseract.setOcrEngineMode(3); // 使用默认引擎
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// 执行OCR识别图片
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String result = tesseract.doOCR(file);
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String result = tesseract.doOCR(bufferedImage);
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System.out.println("\n=== 原始识别结果 ===");
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System.out.println(result);
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// 清理和格式化结果
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String cleanedResult = cleanOcrResult(result);
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System.out.println("\n=== 清理后的结果 ===");
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System.out.println(cleanedResult);
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// 分行显示结果
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System.out.println("\n=== 分行显示结果 ===");
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String[] lines = cleanedResult.split("-");
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@@ -62,7 +73,7 @@ public class Application {
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System.out.println((i + 1) + ". " + lines[i].trim());
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}
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}
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} catch (TesseractException e) {
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System.err.println("Tesseract OCR错误: " + e.getMessage());
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e.printStackTrace();
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@@ -71,7 +82,7 @@ public class Application {
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e.printStackTrace();
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}
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}
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/**
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* 清理OCR识别结果
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* @param result 原始识别结果
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@@ -81,7 +92,7 @@ public class Application {
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if (result == null || result.trim().isEmpty()) {
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return "";
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}
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// 替换常见的OCR错误
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String cleaned = result
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// 替换回车和换行
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@@ -117,10 +128,10 @@ public class Application {
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.replaceAll("调教", "调整")
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// 移除多余的空格
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.trim();
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return cleaned;
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}
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/**
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* 图片预处理(可选)
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* @param inputFile 输入图片
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@@ -129,22 +140,61 @@ public class Application {
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private static void preprocessImage(File inputFile, File outputFile) {
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try {
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BufferedImage image = ImageIO.read(inputFile);
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// 转换为灰度图
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BufferedImage grayImage = new BufferedImage(
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image.getWidth(), image.getHeight(), BufferedImage.TYPE_BYTE_GRAY);
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Graphics2D g2d = grayImage.createGraphics();
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g2d.drawImage(image, 0, 0, null);
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g2d.dispose();
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// 保存预处理后的图片
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ImageIO.write(grayImage, "png", outputFile);
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System.out.println("图片预处理完成: " + outputFile.getAbsolutePath());
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} catch (IOException e) {
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System.err.println("图片预处理失败: " + e.getMessage());
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}
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}
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/**
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* 灰度化图像(直接处理 BufferedImage)
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* @param image 原始图片
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* @return 灰度图
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*/
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private static BufferedImage preprocessImage(BufferedImage image) {
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BufferedImage grayImage = new BufferedImage(
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image.getWidth(), image.getHeight(), BufferedImage.TYPE_BYTE_GRAY);
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Graphics2D g2d = grayImage.createGraphics();
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g2d.drawImage(image, 0, 0, null);
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g2d.dispose();
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return grayImage;
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}
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public static File exportTessdataToTemp() throws IOException {
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String[] languageFiles = {"chi_sim.traineddata","chi_sim_vert.traineddata"};
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// 明确指定临时目录路径(避免路径分隔符问题)
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File tempTessdataDir = new File(System.getProperty("java.io.tmpdir"), "tessdata");
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if (!tempTessdataDir.exists()) {
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tempTessdataDir.mkdirs();
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}
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ClassLoader classLoader = Application.class.getClassLoader();
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for (String filename : languageFiles) {
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// 使用正确的资源路径(注意开头的/)
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try (InputStream in = classLoader.getResourceAsStream("\\tessdata\\" + filename)) {
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if (in == null) {
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throw new FileNotFoundException("语言包未找到: /tessdata/" + filename);
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}
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File outFile = new File(tempTessdataDir, filename);
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Files.copy(in, outFile.toPath(), StandardCopyOption.REPLACE_EXISTING);
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}
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}
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return tempTessdataDir; // 返回的是 tessdata 目录本身
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}
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}
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BIN
klp-wms/src/main/resources/tessdata/chi_sim.traineddata
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BIN
klp-wms/src/main/resources/tessdata/chi_sim.traineddata
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Binary file not shown.
BIN
klp-wms/src/main/resources/tessdata/chi_sim_vert.traineddata
Normal file
BIN
klp-wms/src/main/resources/tessdata/chi_sim_vert.traineddata
Normal file
Binary file not shown.
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