update pic background

_pages/group.md

@@ -1,7 +1,7 @@
 ---
 layout: default
 permalink: /group/
-title: group@GT
+title: teaching
 description:  
 nav: true
 nav_order: 2
@@ -80,7 +80,7 @@ nav_order: 2
  </div> -->
 
   <!-- <div class="content list people"> -->
-	
+
   {% for person in all_people %}
       {% if person.position == 'alumni' %}
         {% include alumni.html position=person.position %}
@@ -90,4 +90,3 @@ nav_order: 2
 
 {% endfor %}
 <br>
-

_pages/research.md

@@ -29,15 +29,15 @@ children:
 
 <div class="row mt-3">
     <div class="col-sm mt-3 mt-md-0">
-        {% include figure.html path="images/papers/icra2021-hzd.png" class="img-fluid rounded z-depth-1" overlay="Learning Differences"
+        {% include figure.html path="images/papers/LD.jpg" class="img-fluid rounded z-depth-1" overlay="Learning Differences"
             overlay-url="/research/locomotion" %}
     </div>
     <div class="col-sm mt-3 mt-md-0">
-        {% include figure.html path="images/papers/cospar.png" class="img-fluid rounded z-depth-1" overlay="Instruction and Curriculum"
+        {% include figure.html path="images/papers/curriculum.jpg" class="img-fluid rounded z-depth-1" overlay="Instruction and Curriculum"
         overlay-url="/research/hri" %}
     </div>
     <div class="col-sm mt-3 mt-md-0">
-        {% include figure.html path="images/papers/spinal.png" class="img-fluid rounded z-depth-1" overlay="Assessment and Measurement"
+        {% include figure.html path="images/papers/AI.png" class="img-fluid rounded z-depth-1" overlay="Assessment and Measurement"
         overlay-url="/research/assistive-devices" %}
     </div>
 </div>