first commit

nodes/infers/vp_classifier_node.h

@@ -0,0 +1,38 @@
+
+
+#pragma once
+
+#include "../vp_secondary_infer_node.h"
+
+namespace vp_nodes {
+    // common classifier for image classification task.
+    // used for image classification, update secondary_class_ids/secondary_labels/secondary_scores of vp_frame_target.
+    class vp_classifier_node: public vp_secondary_infer_node
+    {
+    private:
+        // softmax logic applied on output or not
+        bool need_softmax;
+    protected:
+        virtual void postprocess(const std::vector<cv::Mat>& raw_outputs, const std::vector<std::shared_ptr<vp_objects::vp_frame_meta>>& frame_meta_with_batch) override;
+    public:
+        vp_classifier_node(std::string node_name, 
+                            std::string model_path, 
+                            std::string model_config_path = "", 
+                            std::string labels_path = "", 
+                            int input_width = 128, 
+                            int input_height = 128, 
+                            int batch_size = 1,
+                            std::vector<int> p_class_ids_applied_to = std::vector<int>(),
+                            int min_width_applied_to = 0,
+                            int min_height_applied_to = 0,
+                            int crop_padding = 10,
+                            bool need_softmax = true,  // imagenet dataset
+                            float scale = 1 / 255.0,
+                            cv::Scalar mean = cv::Scalar(123.675, 116.28, 103.53),  // imagenet dataset
+                            cv::Scalar std = cv::Scalar(0.229, 0.224, 0.225),
+                            bool swap_rb = true,
+                            bool swap_chn = false);
+        ~vp_classifier_node();
+    };
+
+}