diff --git a/.gitignore b/.gitignore
index 85a8b85..d62c96d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -12,3 +12,5 @@ build/
 *.hdf5
 *.pk
 *.table
+demo/COCO_val2017
+demo/BDD100k_val
\ No newline at end of file
diff --git a/include/tkDNN/DarknetParser.h b/include/tkDNN/DarknetParser.h
index 61040f9..0f0e12a 100644
--- a/include/tkDNN/DarknetParser.h
+++ b/include/tkDNN/DarknetParser.h
@@ -127,7 +127,7 @@ namespace tk { namespace dnn {
     }
 
 
-    void darknetAddLayer(tk::dnn::Network *net, darknetFields_t &f, std::string wgs_path, std::vector<tk::dnn::Layer*> &netLayers) {
+    void darknetAddLayer(tk::dnn::Network *net, darknetFields_t &f, std::string wgs_path, std::vector<tk::dnn::Layer*> &netLayers, const std::vector<std::string>& names) {
         if(net == nullptr)
             FatalError("Cant add a layer without a Net\n");
 
@@ -180,14 +180,30 @@ namespace tk { namespace dnn {
         } else if(f.type == "yolo") {
             std::string wgs = wgs_path + "/g" + std::to_string(netLayers.size()) + ".bin";
             printf("%d %d %s %d %f\n", f.classes, f.num/f.n_mask, wgs.c_str(), f.n_mask, f.scale_xy);
-            netLayers.push_back(new tk::dnn::Yolo(net, f.classes, f.num/f.n_mask, wgs, f.n_mask, f.scale_xy));
+            tk::dnn::Yolo *l = new tk::dnn::Yolo(net, f.classes, f.num/f.n_mask, wgs, f.n_mask, f.scale_xy);
+            l->classesNames = names;
+            netLayers.push_back(l);
 
         } else{
             FatalError("layer not supported: " + f.type);
         }
     }
 
-    tk::dnn::Network* darknetParser(std::string cfg_file, std::string wgs_path) {
+    std::vector<std::string> darknetReadNames(const std::string& names_file){
+        std::ifstream if_names(names_file);
+        if(!if_names.is_open())
+            FatalError("cloud not open names file: " + names_file);       
+
+        std::vector<std::string> names;
+        std::string line;
+        while(std::getline(if_names, line))
+            names.push_back(line);
+        
+        if_names.close();
+        return names;
+    }
+
+    tk::dnn::Network* darknetParser(const std::string& cfg_file, const std::string& wgs_path, const std::string& names_file) {
 
         tk::dnn::Network *net = nullptr;
         
@@ -198,6 +214,8 @@ namespace tk { namespace dnn {
         if(!if_cfg.is_open())
             FatalError("cloud not open cfg file: " + cfg_file);
 
+        std::vector<std::string> names = darknetReadNames(names_file);
+
         darknetFields_t fields; // will be filled with layers fields
         std::string line;
         while(std::getline(if_cfg, line)) {
@@ -218,7 +236,7 @@ namespace tk { namespace dnn {
                     if(fields.type == "net")
                         net = darknetAddNet(fields);
                     else
-                        darknetAddLayer(net, fields, wgs_path, netLayers);
+                        darknetAddLayer(net, fields, wgs_path, netLayers, names);
                 }
 
                 // new type
@@ -237,7 +255,7 @@ namespace tk { namespace dnn {
 
         // end of filled type
         if(fields.type != "") {
-            darknetAddLayer(net, fields, wgs_path, netLayers);
+            darknetAddLayer(net, fields, wgs_path, netLayers, names);
         }
 
         if(net == nullptr) {
diff --git a/tests/yolo3/coco.names b/tests/yolo3/coco.names
new file mode 100644
index 0000000..ca76c80
--- /dev/null
+++ b/tests/yolo3/coco.names
@@ -0,0 +1,80 @@
+person
+bicycle
+car
+motorbike
+aeroplane
+bus
+train
+truck
+boat
+traffic light
+fire hydrant
+stop sign
+parking meter
+bench
+bird
+cat
+dog
+horse
+sheep
+cow
+elephant
+bear
+zebra
+giraffe
+backpack
+umbrella
+handbag
+tie
+suitcase
+frisbee
+skis
+snowboard
+sports ball
+kite
+baseball bat
+baseball glove
+skateboard
+surfboard
+tennis racket
+bottle
+wine glass
+cup
+fork
+knife
+spoon
+bowl
+banana
+apple
+sandwich
+orange
+broccoli
+carrot
+hot dog
+pizza
+donut
+cake
+chair
+sofa
+pottedplant
+bed
+diningtable
+toilet
+tvmonitor
+laptop
+mouse
+remote
+keyboard
+cell phone
+microwave
+oven
+toaster
+sink
+refrigerator
+book
+clock
+vase
+scissors
+teddy bear
+hair drier
+toothbrush
diff --git a/tests/yolo3/yolo3.cpp b/tests/yolo3/yolo3.cpp
index 1036261..89b8283 100644
--- a/tests/yolo3/yolo3.cpp
+++ b/tests/yolo3/yolo3.cpp
@@ -9,7 +9,7 @@ int main() {
     std::string bin_path  = "yolo3";
     downloadWeightsifDoNotExist("yolo3/layers/input.bin", bin_path, "https://cloud.hipert.unimore.it/s/jPXmHyptpLoNdNR/download");
     
-    tk::dnn::Network *net = tk::dnn::darknetParser("../tests/yolo3/yolov3.cfg", "yolo3/layers");
+    tk::dnn::Network *net = tk::dnn::darknetParser("../tests/yolo3/yolov3.cfg", "yolo3/layers", "../tests/yolo3/coco.names");
     net->print();
 
     std::vector<tk::dnn::Yolo*> yolo;
@@ -18,11 +18,6 @@ int main() {
             yolo.push_back((tk::dnn::Yolo*)net->layers[i]);
     }
 
-    // fill classes names
-    for(int i=0; i<3; i++) {
-        yolo[i]->classesNames = {"person" , "bicycle" , "car" , "motorbike" , "aeroplane" , "bus" , "train" , "truck" , "boat" , "traffic light" , "fire hydrant" , "stop sign" , "parking meter" , "bench" , "bird" , "cat" , "dog" , "horse" , "sheep" , "cow" , "elephant" , "bear" , "zebra" , "giraffe" , "backpack" , "umbrella" , "handbag" , "tie" , "suitcase" , "frisbee" , "skis" , "snowboard" , "sports ball" , "kite" , "baseball bat" , "baseball glove" , "skateboard" , "surfboard" , "tennis racket" , "bottle" , "wine glass" , "cup" , "fork" , "knife" , "spoon" , "bowl" , "banana" , "apple" , "sandwich" , "orange" , "broccoli" , "carrot" , "hot dog" , "pizza" , "donut" , "cake" , "chair" , "sofa" , "pottedplant" , "bed" , "diningtable" , "toilet" , "tvmonitor" , "laptop" , "mouse" , "remote" , "keyboard" , "cell phone" , "microwave" , "oven" , "toaster" , "sink" , "refrigerator" , "book" , "clock" , "vase" , "scissors" , "teddy bear" , "hair drier" , "toothbrush"};
-    }
-
     //convert network to tensorRT
     tk::dnn::NetworkRT netRT(net, net->getNetworkRTName("yolo3"));