fix model diagnostic tool

modules/dnn/include/opencv2/dnn/layer.hpp

@@ -66,6 +66,9 @@ public:
     //! Unregisters registered layer with specified type name. Thread-safe.
     static void unregisterLayer(const String &type);
 
+    //! Check if layer is registered.
+    static bool isLayerRegistered(const std::string& type);
+
     /** @brief Creates instance of registered layer.
      *  @param type type name of creating layer.
      *  @param params parameters which will be used for layer initialization.

modules/dnn/src/debug_utils.cpp

@@ -37,11 +37,8 @@ void skipModelImport(bool skip)
 
 void detail::LayerHandler::addMissing(const std::string& name, const std::string& type)
 {
-    cv::AutoLock lock(getLayerFactoryMutex());
-    auto& registeredLayers = getLayerFactoryImpl();
-
     // If we didn't add it, but can create it, it's custom and not missing.
-    if (layers.find(type) == layers.end() && registeredLayers.find(type) != registeredLayers.end())
+    if (!contains(type) && LayerFactory::isLayerRegistered(type))
     {
         return;
     }
@@ -51,17 +48,17 @@ void detail::LayerHandler::addMissing(const std::string& name, const std::string
 
 bool detail::LayerHandler::contains(const std::string& type) const
 {
-    return layers.find(type) != layers.end();
+    return layers.count(type) != 0;
 }
 
-void detail::LayerHandler::printMissing()
+void detail::LayerHandler::printMissing() const
 {
     if (layers.empty())
     {
         return;
     }
 
-    std::stringstream ss;
+    std::ostringstream ss;
     ss << "DNN: Not supported types:\n";
     for (const auto& type_names : layers)
     {

modules/dnn/src/dnn.cpp

@@ -6092,6 +6092,13 @@ void LayerFactory::unregisterLayer(const String &type)
     }
 }
 
+bool LayerFactory::isLayerRegistered(const std::string& type)
+{
+    cv::AutoLock lock(getLayerFactoryMutex());
+    auto& registeredLayers = getLayerFactoryImpl();
+    return registeredLayers.find(type) != registeredLayers.end();
+}
+
 Ptr<Layer> LayerFactory::createLayerInstance(const String &type, LayerParams& params)
 {
     CV_TRACE_FUNCTION();

modules/dnn/src/dnn_common.hpp

@@ -5,8 +5,8 @@
 #ifndef __OPENCV_DNN_COMMON_HPP__
 #define __OPENCV_DNN_COMMON_HPP__
 
-#include <unordered_set>
 #include <unordered_map>
+#include <unordered_set>
 
 #include <opencv2/dnn.hpp>
 
@@ -59,7 +59,7 @@ class LayerHandler
 public:
     void addMissing(const std::string& name, const std::string& type);
     bool contains(const std::string& type) const;
-    void printMissing();
+    void printMissing() const;
 
 protected:
     LayerParams getNotImplementedParams(const std::string& name, const std::string& op);

modules/dnn/src/onnx/onnx_importer.cpp

@@ -48,6 +48,8 @@ CV__DNN_INLINE_NS_BEGIN
 
 extern bool DNN_DIAGNOSTICS_RUN;
 
+class ONNXLayerHandler;
+
 class ONNXImporter
 {
     opencv_onnx::ModelProto model_proto;
@@ -80,7 +82,7 @@ public:
     void populateNet();
 
 protected:
-    std::unique_ptr<detail::LayerHandler> missingLayerHandler;
+    std::unique_ptr<ONNXLayerHandler> layerHandler;
     Net& dstNet;
 
     opencv_onnx::GraphProto graph_proto;
@@ -98,11 +100,14 @@ protected:
     void handleNode(const opencv_onnx::NodeProto& node_proto);
 
 private:
+    friend class ONNXLayerHandler;
     typedef void (ONNXImporter::*ONNXImporterNodeParser)(LayerParams& layerParams, const opencv_onnx::NodeProto& node_proto);
     typedef std::map<std::string, ONNXImporterNodeParser> DispatchMap;
     typedef std::map<std::string, DispatchMap> DomainDispatchMap;
 
     DomainDispatchMap domain_dispatch_map;
+    std::string getLayerTypeDomain(const opencv_onnx::NodeProto& node_proto);
+    const DispatchMap& getDispatchMap(const opencv_onnx::NodeProto& node_proto);
     void buildDispatchMap_ONNX_AI(int opset_version);
     void buildDispatchMap_COM_MICROSOFT(int opset_version);
 
@@ -156,6 +161,7 @@ private:
     void parseSoftMax              (LayerParams& layerParams, const opencv_onnx::NodeProto& node_proto);
     void parseDetectionOutput      (LayerParams& layerParams, const opencv_onnx::NodeProto& node_proto);
     void parseCumSum               (LayerParams& layerParams, const opencv_onnx::NodeProto& node_proto);
+    void parseSimpleLayers         (LayerParams& layerParams, const opencv_onnx::NodeProto& node_proto);
 
     // Domain: com.microsoft
     // URL: https://github.com/microsoft/onnxruntime/blob/master/docs/ContribOperators.md
@@ -178,9 +184,38 @@ private:
     const std::string str_domain_ai_onnx = "ai.onnx";
 };
 
+class ONNXLayerHandler : public detail::LayerHandler
+{
+public:
+    explicit ONNXLayerHandler(ONNXImporter* importer_);
+
+    void fillRegistry(const opencv_onnx::GraphProto& net);
+
+protected:
+    ONNXImporter* importer;
+};
+
+ONNXLayerHandler::ONNXLayerHandler(ONNXImporter* importer_) : importer(importer_){}
+
+void ONNXLayerHandler::fillRegistry(const opencv_onnx::GraphProto &net)
+{
+    int layersSize = net.node_size();
+    for (int li = 0; li < layersSize; li++) {
+        const opencv_onnx::NodeProto &node_proto = net.node(li);
+        const std::string& name = node_proto.output(0);
+        const std::string& type = node_proto.op_type();
+        const std::string& layer_type_domain = importer->getLayerTypeDomain(node_proto);
+        const auto& dispatch = importer->getDispatchMap(node_proto);
+        if (dispatch.find(type) == dispatch.end())
+        {
+            addMissing(name, cv::format("%s.%s", layer_type_domain.c_str(), type.c_str()));
+        }
+    }
+    printMissing();
+}
 
 ONNXImporter::ONNXImporter(Net& net, const char *onnxFile)
-    : missingLayerHandler(DNN_DIAGNOSTICS_RUN ? new detail::LayerHandler() : nullptr)
+    : layerHandler(DNN_DIAGNOSTICS_RUN ? new ONNXLayerHandler(this) : nullptr)
     , dstNet(net)
     , onnx_opset(0)
 {
@@ -203,7 +238,7 @@ ONNXImporter::ONNXImporter(Net& net, const char *onnxFile)
 }
 
 ONNXImporter::ONNXImporter(Net& net, const char* buffer, size_t sizeBuffer)
-    : missingLayerHandler(DNN_DIAGNOSTICS_RUN ? new detail::LayerHandler() : nullptr)
+    : layerHandler(DNN_DIAGNOSTICS_RUN ? new ONNXLayerHandler(this) : nullptr)
     , dstNet(net)
     , onnx_opset(0)
 {
@@ -795,6 +830,7 @@ void ONNXImporter::populateNet()
 
     if (DNN_DIAGNOSTICS_RUN) {
         CV_LOG_INFO(NULL, "DNN/ONNX: start diagnostic run!");
+        layerHandler->fillRegistry(graph_proto);
     }
 
     for(int li = 0; li < layersSize; li++)
@@ -806,12 +842,7 @@ void ONNXImporter::populateNet()
     CV_LOG_DEBUG(NULL, (DNN_DIAGNOSTICS_RUN ? "DNN/ONNX: diagnostic run completed!" : "DNN/ONNX: import completed!"));
 }
 
-void ONNXImporter::handleNode(const opencv_onnx::NodeProto& node_proto)
+std::string ONNXImporter::getLayerTypeDomain(const opencv_onnx::NodeProto& node_proto)
-{
-    CV_Assert(node_proto.output_size() >= 1);
-    const std::string& name = node_proto.output(0);
-    const std::string& layer_type = node_proto.op_type();
-    const std::string& layer_type_domain = [&]()
 {
     if (!node_proto.has_domain())
         return str_domain_ai_onnx;
@@ -819,41 +850,40 @@ void ONNXImporter::handleNode(const opencv_onnx::NodeProto& node_proto)
     if (domain.empty())
         return str_domain_ai_onnx;
     return domain;
-    }();
-    const auto& dispatch = [&]()
-    {
-        if (layer_type_domain != str_domain_ai_onnx)
-        {
-            if (onnx_opset_map.find(layer_type_domain) == onnx_opset_map.end())
-            {
-                CV_LOG_WARNING(NULL, "DNN/ONNX: processing node with " << node_proto.input_size() << " inputs and " << node_proto.output_size() << " outputs: "
-                        << cv::format("[%s]:(%s)", layer_type.c_str(), name.c_str())
-                        << " from undeclared domain='" << layer_type_domain << "'"
-                );
 }
-            else
+
+const ONNXImporter::DispatchMap& ONNXImporter::getDispatchMap(const opencv_onnx::NodeProto& node_proto)
 {
-                CV_LOG_DEBUG(NULL, "DNN/ONNX: processing node with " << node_proto.input_size() << " inputs and " << node_proto.output_size() << " outputs: "
+    static DispatchMap empty_map;
-                        << cv::format("[%s]:(%s)", layer_type.c_str(), name.c_str())
+    const std::string& layer_type_domain = getLayerTypeDomain(node_proto);
-                        << " from domain='" << layer_type_domain << "'"
-                );
-            }
     auto it = domain_dispatch_map.find(layer_type_domain);
     if (it == domain_dispatch_map.end())
     {
-                CV_LOG_WARNING(NULL, "DNN/ONNX: missing dispatch map for domain='" << layer_type_domain << "'");
+        return empty_map;
-                return DispatchMap();
     }
+
     return it->second;
 }
-        else
+
+void ONNXImporter::handleNode(const opencv_onnx::NodeProto& node_proto)
 {
-            CV_LOG_DEBUG(NULL, "DNN/ONNX: processing node with " << node_proto.input_size() << " inputs and " << node_proto.output_size() << " outputs: "
+    CV_Assert(node_proto.output_size() >= 1);
+    const std::string& name = node_proto.output(0);
+    const std::string& layer_type = node_proto.op_type();
+    const std::string& layer_type_domain = getLayerTypeDomain(node_proto);
+    const auto& dispatch = getDispatchMap(node_proto);
+
+    CV_LOG_DEBUG(NULL, "DNN/ONNX: processing node with " << node_proto.input_size() << " inputs and "
+                                                         << node_proto.output_size() << " outputs: "
                                                          << cv::format("[%s]:(%s)", layer_type.c_str(), name.c_str())
+                                                         << cv::format(" from %sdomain='", onnx_opset_map.count(layer_type_domain) == 1 ? "" : "undeclared ")
+                                                         << layer_type_domain << "'"
     );
-            return domain_dispatch_map[str_domain_ai_onnx];
+
+    if (dispatch.empty())
+    {
+        CV_LOG_WARNING(NULL, "DNN/ONNX: missing dispatch map for domain='" << layer_type_domain << "'");
     }
-    }();
 
     LayerParams layerParams;
     try
@@ -2871,6 +2901,15 @@ void ONNXImporter::parseCumSum(LayerParams& layerParams, const opencv_onnx::Node
     addLayer(layerParams, node_proto);
 }
 
+void ONNXImporter::parseSimpleLayers(LayerParams& layerParams, const opencv_onnx::NodeProto& node_proto)
+{
+    for (int j = 0; j < node_proto.input_size(); j++) {
+        if (layer_id.find(node_proto.input(j)) == layer_id.end())
+            layerParams.blobs.push_back(getBlob(node_proto, j));
+    }
+    addLayer(layerParams, node_proto);
+}
+
 void ONNXImporter::parseCustomLayer(LayerParams& layerParams, const opencv_onnx::NodeProto& node_proto)
 {
     const std::string& name = layerParams.name;
@@ -2886,20 +2925,11 @@ void ONNXImporter::parseCustomLayer(LayerParams& layerParams, const opencv_onnx:
         }
     }
 
-    CV_LOG_INFO(NULL, "DNN/ONNX: unknown node type, try using custom handler for node with " << node_proto.input_size() << " inputs and " << node_proto.output_size() << " outputs: "
+    CV_LOG_IF_INFO(NULL, !LayerFactory::isLayerRegistered(layer_type), "DNN/ONNX: unknown node type, try using custom handler for node with " << node_proto.input_size() << " inputs and " << node_proto.output_size() << " outputs: "
             << cv::format("[%s]:(%s)", layer_type.c_str(), name.c_str())
     );
 
-    if (missingLayerHandler)
+    parseSimpleLayers(layerParams, node_proto);
-    {
-        missingLayerHandler->addMissing(layerParams.name, layerParams.type);
-    }
-
-    for (int j = 0; j < node_proto.input_size(); j++) {
-        if (layer_id.find(node_proto.input(j)) == layer_id.end())
-            layerParams.blobs.push_back(getBlob(node_proto, j));
-    }
-    addLayer(layerParams, node_proto);
 }
 
 void ONNXImporter::parseQuantDequant(LayerParams& layerParams, const opencv_onnx::NodeProto& node_proto)
@@ -3349,6 +3379,15 @@ void ONNXImporter::buildDispatchMap_ONNX_AI(int opset_version)
     dispatch["DetectionOutput"] = &ONNXImporter::parseDetectionOutput;
     dispatch["CumSum"] = &ONNXImporter::parseCumSum;
 
+    std::vector<std::string> simpleLayers{"Acos", "Acosh", "Asin", "Asinh", "Atan", "Atanh", "Ceil", "Celu", "Cos",
+                                          "Cosh", "Dropout", "Erf", "Exp", "Floor", "HardSigmoid", "HardSwish",
+                                          "Identity", "Log", "Round", "Selu", "Sigmoid", "Sin", "Sinh", "Softmax",
+                                          "Softplus", "Softsign", "Sqrt", "Tan", "ThresholdedRelu"};
+    for (const auto& name : simpleLayers)
+    {
+        dispatch[name] = &ONNXImporter::parseSimpleLayers;
+    }
+
     // ai.onnx: opset 10+
     dispatch["QuantizeLinear"] = dispatch["DequantizeLinear"] = &ONNXImporter::parseQuantDequant;
     dispatch["QLinearConv"] = &ONNXImporter::parseQConv;

modules/dnn/src/tensorflow/tf_importer.cpp

@@ -3090,10 +3090,8 @@ void TFImporter::populateNet()
     {
         const tensorflow::NodeDef& layer = net.node(li);
 
-        const std::string name = layer.name();
+        CV_LOG_DEBUG(NULL, "DNN/TF: processing node (" << li << "/" << layersSize << ") with " << layer.input_size() << " inputs: "
-        const std::string type = layer.op();
+                                                           << cv::format("[%s]:(%s)", layer.op().c_str(), layer.name().c_str()));
-        const int ninputs = layer.input_size();
-        CV_LOG_DEBUG(NULL, "DNN/TF: (" << li << "/" << layersSize << ") Parse layer " << name << " @ " << type << " with " << ninputs << " inputs");
 
         parseNode(layer);
     }