diff --git a/src/main/java/ru/mcs/udk/UdkDjvuScanner.java b/src/main/java/ru/mcs/udk/UdkDjvuScanner.java
index e4a1a10..a72a940 100644
--- a/src/main/java/ru/mcs/udk/UdkDjvuScanner.java
+++ b/src/main/java/ru/mcs/udk/UdkDjvuScanner.java
@@ -1,26 +1,41 @@
 package ru.mcs.udk;
 
+import net.sourceforge.tess4j.TesseractException;
+
+import javax.imageio.ImageIO;
+import java.awt.image.BufferedImage;
 import java.io.File;
 import java.io.IOException;
 
+import static ru.mcs.udk.DocumentUtils.findUDK;
+
 public class UdkDjvuScanner implements UDKScanner {
     @Override
     public void getUDK(File djvuFile) {
+        String udk = "";
         for (int pageIndex = 0; pageIndex < 6; pageIndex++) {
-            String outputFile = String.format("%s_page_%d.png", djvuFile.getName(), pageIndex);
-            Process process = null;
+            String outputFile = String.format("temp/page_%d.tiff", pageIndex);
+            Process process;
             try {
                 process = new ProcessBuilder("ddjvu",
-                        "-format=png",
+                        "-format=tiff",
+                        "-quality=90",
                         "-page=" + pageIndex,
                         djvuFile.getAbsolutePath(),
                         outputFile).start();
                 int exitCode = process.waitFor();
+                if (exitCode == 0) {
+                    BufferedImage image = ImageIO.read(new File(outputFile));
+                    String text = DocumentUtils.getText(image);
+                    udk = findUDK(text);
+                }
             } catch (InterruptedException | IOException e) {
                 throw new RuntimeException(e);
+            } catch (TesseractException e) {
+                e.printStackTrace();
             }
 
-            System.out.printf("%s;%s;%s;%s\n", djvuFile.getPath(), "", "", "");
         }
+        System.out.printf("%s;%s;%s;%s\n", djvuFile.getPath(), udk, "", "");
     }
 }
diff --git a/src/main/java/ru/mcs/udk/UdkPdfScanner.java b/src/main/java/ru/mcs/udk/UdkPdfScanner.java
index 713d511..a682312 100644
--- a/src/main/java/ru/mcs/udk/UdkPdfScanner.java
+++ b/src/main/java/ru/mcs/udk/UdkPdfScanner.java
@@ -27,7 +27,7 @@
             String text = stripper.getText(document);
             String udk = findUDK(text);
 
-            languageBook = isCyrillic(String.valueOf(file.getName())) ? "ru" : "en";
+            languageBook = isCyrillic(file.getName()) ? "ru" : "en";
 
             if ((udk == null || udk.isBlank()) && languageBook.equals("ru")) {
                 udk = getUdkByImage(document);