初阶目录初始化

data/tree.json

@@ -39,6 +39,207 @@
                       "keywords": [],
                       "children": []
                     }
+                  },
+                  {
+                    "图像的基本操作": {
+                      "node_id": "opencv-819f137c35c64f76945bcd7e60d37807",
+                      "keywords": [],
+                      "children": []
+                    }
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+                  {
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+                      "node_id": "opencv-04cf975c42894174bd5619ed44ea5e87",
+                      "keywords": [],
+                      "children": []
+                    }
+                  }
+                ]
+              }
+            },
+            {
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+                "node_id": "opencv-c761ca9b99984b2d8633855c527ab10a",
+                "keywords": [],
+                "children": [
+                  {
+                    "阈值": {
+                      "node_id": "opencv-b77391c3fa5648f4bb92e990d6cf1922",
+                      "keywords": [],
+                      "children": []
+                    }
+                  },
+                  {
+                    "腐蚀与膨胀": {
+                      "node_id": "opencv-43cb627865154bb69eaad017845e8944",
+                      "keywords": [],
+                      "children": []
+                    }
+                  },
+                  {
+                    "开运算与闭运算": {
+                      "node_id": "opencv-50c11401b1e8431c964f0771cfe7941b",
+                      "keywords": [],
+                      "children": []
+                    }
+                  },
+                  {
+                    "连通区域分析": {
+                      "node_id": "opencv-4fa8c9dee0b04714b3a9ac7ba402be5b",
+                      "keywords": [],
+                      "children": []
+                    }
+                  },
+                  {
+                    "轮廓": {
+                      "node_id": "opencv-9f13f163a994474a9edafc12adcfe529",
+                      "keywords": [],
+                      "children": []
+                    }
+                  }
+                ]
+              }
+            },
+            {
+              "图像增强和滤波": {
+                "node_id": "opencv-88ba9fbf01cc42af9561dc99151b351a",
+                "keywords": [],
+                "children": [
+                  {
+                    "彩色空间": {
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+                      "keywords": [],
+                      "children": []
+                    }
+                  },
+                  {
+                    "直方图均衡化": {
+                      "node_id": "opencv-42497d66251142e58892ffdd81a59d5a",
+                      "keywords": [],
+                      "children": []
+                    }
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+                  {
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+                      "keywords": [],
+                      "children": []
+                    }
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+                  {
+                    "梯度": {
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+                      "keywords": [],
+                      "children": []
+                    }
+                  }
+                ]
+              }
+            },
+            {
+              "几何变换和图像特征": {
+                "node_id": "opencv-ec67edb4eecb44e396d7e7f7163fedb7",
+                "keywords": [],
+                "children": [
+                  {
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+                      "node_id": "opencv-2ee9206f0d84472cb0458b4c5fd695cc",
+                      "keywords": [],
+                      "children": []
+                    }
+                  },
+                  {
+                    "单应性变换": {
+                      "node_id": "opencv-39059ce222a240309afeb5b18dfe528e",
+                      "keywords": [],
+                      "children": []
+                    }
+                  },
+                  {
+                    "图像特征与特征提取": {
+                      "node_id": "opencv-fde1c160abc94e49bb7811fa6b90b9a7",
+                      "keywords": [],
+                      "children": []
+                    }
+                  },
+                  {
+                    "特征匹配": {
+                      "node_id": "opencv-47d476b32cc94ce48346eebaf03a61ae",
+                      "keywords": [],
+                      "children": []
+                    }
+                  }
+                ]
+              }
+            },
+            {
+              "图像识别": {
+                "node_id": "opencv-6794162341944f869fcefa767cba00c7",
+                "keywords": [],
+                "children": []
+              }
+            },
+            {
+              "视频分析": {
+                "node_id": "opencv-6bd1f503ebb6418da84be85f4766aa83",
+                "keywords": [],
+                "children": [
+                  {
+                    "光流": {
+                      "node_id": "opencv-e7cb65bb329040e98c85d2888f18d8bb",
+                      "keywords": [],
+                      "children": []
+                    }
+                  },
+                  {
+                    "目标跟踪": {
+                      "node_id": "opencv-2959bd73f3894090b4a65be4fe8faff6",
+                      "keywords": [],
+                      "children": []
+                    }
+                  },
+                  {
+                    "OpenCV中的目标跟踪": {
+                      "node_id": "opencv-183829982f6e4279a4285d48ee04f1cd",
+                      "keywords": [],
+                      "children": []
+                    }
+                  }
+                ]
+              }
+            },
+            {
+              "OpenCV中的深度学习": {
+                "node_id": "opencv-81b455e5341a4d26863ee2519c9b2d70",
+                "keywords": [],
+                "children": [
+                  {
+                    "图像分类": {
+                      "node_id": "opencv-a181ede3b8c7487fbcc212796c27ce77",
+                      "keywords": [],
+                      "children": []
+                    }
+                  },
+                  {
+                    "目标检测": {
+                      "node_id": "opencv-92964722395c4b9f989694211b07df44",
+                      "keywords": [],
+                      "children": []
+                    }
+                  },
+                  {
+                    "人脸检测": {
+                      "node_id": "opencv-a05295f5c1b94fdcaa370a45621cd5a5",
+                      "keywords": [],
+                      "children": []
+                    }
+                  },
+                  {
+                    "姿态估计": {
+                      "node_id": "opencv-8bcc98575f3b4325b84fcb623916e3d2",
+                      "keywords": [],
+                      "children": []
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