diff --git a/.hash b/.hash
index 35e2284..0ccc502 100644
--- a/.hash
+++ b/.hash
@@ -8,7 +8,7 @@ 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/module2,0e51230
+year1/image-processing-and-computer-vision/module2,a33e1af
 year1/languages-and-algorithms-for-ai/module2,5a8c822
 year1/languages-and-algorithms-for-ai/module3,6809df7
 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 056abed..0261780 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