diff --git a/.hash b/.hash
index 8b57081..1d71691 100644
--- a/.hash
+++ b/.hash
@@ -7,7 +7,7 @@ fundamentals-of-ai-and-kr/module1,400dfd1
 fundamentals-of-ai-and-kr/module2,400dfd1
 fundamentals-of-ai-and-kr/module3,400dfd1
 image-processing-and-computer-vision/module1,c7de118
-image-processing-and-computer-vision/module2,bc65a7f
+image-processing-and-computer-vision/module2,412c906
 languages-and-algorithms-for-ai/module2,6a33527
 languages-and-algorithms-for-ai/module3,9dbb182
 machine-learning-and-data-mining,19c6975
diff --git a/image-processing-and-computer-vision/module2/ipcv2.pdf b/image-processing-and-computer-vision/module2/ipcv2.pdf
index b52d54e..048fa0d 100644
Binary files a/image-processing-and-computer-vision/module2/ipcv2.pdf and b/image-processing-and-computer-vision/module2/ipcv2.pdf differ