diff --git a/Diffusion_model.pdf b/Diffusion_model.pdf
new file mode 100644
index 0000000..01462d0
Binary files /dev/null and b/Diffusion_model.pdf differ
diff --git a/SAM.pdf b/SAM.pdf
new file mode 100644
index 0000000..371ad22
Binary files /dev/null and b/SAM.pdf differ