diff --git a/Feature Pyramid Network.pdf b/Feature Pyramid Network.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..05efd7d5cc4f5a9160c13aca1bb024cdfa6e05a5
Binary files /dev/null and b/Feature Pyramid Network.pdf differ
diff --git a/RetinaNet+FocalLoss.pdf b/RetinaNet+FocalLoss.pdf
index 13d1cc8c7687a7a501912c1fddc8cc346a9b0d55..4d8a8006273f8da3aa3a5ccf5aa2bc88c2ceb305 100644
Binary files a/RetinaNet+FocalLoss.pdf and b/RetinaNet+FocalLoss.pdf differ