add ifugre

Author: smilesun

docs/docJiGen.md

@@ -1,5 +1,12 @@
 # Model JiGen
 
+<div style="align: center; text-align:center;">
+<figure>  
+<img src="https://github.com/marrlab/DomainLab/blob/master/docs/figs/jigen.png?raw=true" style="width:300px;"/> 
+</figure>
+</div>
+
+
 The JiGen method extends the understanding of the concept of spatial correlation in the
 neural network by training the network not only on a classification task, but also on solving jigsaw puzzles.
 

docs/doc_dann.md

@@ -2,3 +2,11 @@
 ## Domain Adversarial Neural Network
 Details explained in the following publication:
 Ganin, Yaroslav, et al. "Domain-adversarial training of neural networks." The journal of machine learning research 17.1 (2016): 2096-2030.
+
+<div style="align: center; text-align:center;">
+<figure>  
+<img src="https://github.com/marrlab/DomainLab/blob/master/docs/figs/dann.png?raw=true" style="width:300px;"/> 
+</figure>
+</div>
+
+