diff --git a/.hash b/.hash
index 6f93076..ecde411 100644
--- a/.hash
+++ b/.hash
@@ -7,7 +7,7 @@ year1/fundamentals-of-ai-and-kr/module1,ac34ec0
 year1/fundamentals-of-ai-and-kr/module2,14e408b
 year1/fundamentals-of-ai-and-kr/module3,e66b724
 year1/image-processing-and-computer-vision/module1,6609bde
-year1/image-processing-and-computer-vision/module2,eed1920
+year1/image-processing-and-computer-vision/module2,852aa65
 year1/languages-and-algorithms-for-ai/module2,5a8c822
 year1/languages-and-algorithms-for-ai/module3,740b9bd
 year1/machine-learning-and-data-mining,fa4f50d
diff --git a/year1/image-processing-and-computer-vision/module2/ipcv2.pdf b/year1/image-processing-and-computer-vision/module2/ipcv2.pdf
index ecdf779..2a122ff 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