diff --git a/.hash b/.hash
index f6d8b6b..fe452fc 100644
--- a/.hash
+++ b/.hash
@@ -8,7 +8,7 @@ year1/fundamentals-of-ai-and-kr/module1,9d6b6aa
 year1/fundamentals-of-ai-and-kr/module2,9d6b6aa
 year1/fundamentals-of-ai-and-kr/module3,9d6b6aa
 year1/image-processing-and-computer-vision/module1,9d6b6aa
-year1/image-processing-and-computer-vision/module2,9d6b6aa
+year1/image-processing-and-computer-vision/module2,767bd94
 year1/languages-and-algorithms-for-ai/module2,9d6b6aa
 year1/languages-and-algorithms-for-ai/module3,9d6b6aa
 year1/machine-learning-and-data-mining,9d6b6aa
diff --git a/year1/image-processing-and-computer-vision/module2/ipcv2.pdf b/year1/image-processing-and-computer-vision/module2/ipcv2.pdf
index 6fe0290..c4cd27e 100644
Binary files a/year1/image-processing-and-computer-vision/module2/ipcv2.pdf and b/year1/image-processing-and-computer-vision/module2/ipcv2.pdf differ