Add bdd new tests, add BDD100K_val download, fix yolo3-512 link

Signed-off-by: Micaela Verucchi <micaelaverucchi@gmail.com>

scripts/download_validation.sh

@@ -1,8 +1,26 @@
 #!/bin/bash
 
-cd demo
-wget https://cloud.hipert.unimore.it/s/LNxBDk4wzqXPL8c/download -O COCO_val2017.zip
-unzip -d COCO_val2017 COCO_val2017.zip
-rm COCO_val2017.zip
-cd COCO_val2017/
-realpath labels/* > all_labels.txt
+
+function elaborate_testset {
+    wget $1 -O $2.zip
+    unzip -d $2 $2.zip
+    rm $2.zip
+    cd $2/
+    realpath labels/* > all_labels.txt
+    realpath images/* > all_images.txt
+    cd ..
+} 
+
+cd demo 
+for valset in $@
+do
+    
+    if [ $valset = "COCO" ]; then
+        echo "Downloading $valset validation set in demo"
+        elaborate_testset "https://cloud.hipert.unimore.it/s/LNxBDk4wzqXPL8c/download" "COCO_val2017"
+    elif [ $valset = "BDD" ]; then
+        echo "Downloading $valset validation set in demo"
+        elaborate_testset "https://cloud.hipert.unimore.it/s/bikqk3FzCq2tg4D/download" "BDD100K_val"
+    fi
+
+done