diff --git a/.hash b/.hash
index d29660c..5e2b500 100644
--- a/.hash
+++ b/.hash
@@ -5,7 +5,7 @@ deep-learning,2582b90
 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/module1,400dfd1
+image-processing-and-computer-vision/module1,22c35c2
 languages-and-algorithms-for-ai/module2,6a33527
 languages-and-algorithms-for-ai/module3,6666f52
 machine-learning-and-data-mining,400dfd1
diff --git a/image-processing-and-computer-vision/module1/ipcv1.pdf b/image-processing-and-computer-vision/module1/ipcv1.pdf
index 28d49d5..4c1e69c 100644
Binary files a/image-processing-and-computer-vision/module1/ipcv1.pdf and b/image-processing-and-computer-vision/module1/ipcv1.pdf differ