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function load_libs(css_urls, js_urls, js_modules, js_exports, callback) {\n if (css_urls == null) css_urls = [];\n if (js_urls == null) js_urls = [];\n if (js_modules == null) js_modules = [];\n if (js_exports == null) js_exports = {};\n\n root._bokeh_onload_callbacks.push(callback);\n\n if (root._bokeh_is_loading > 0) {\n console.debug(\"Bokeh: BokehJS is being loaded, scheduling callback at\", now());\n return null;\n }\n if (js_urls.length === 0 && js_modules.length === 0 && Object.keys(js_exports).length === 0) {\n run_callbacks();\n return null;\n }\n if (!reloading) {\n console.debug(\"Bokeh: BokehJS not loaded, scheduling load and callback at\", now());\n }\n\n function on_load() {\n root._bokeh_is_loading--;\n if (root._bokeh_is_loading === 0) {\n console.debug(\"Bokeh: all BokehJS libraries/stylesheets loaded\");\n run_callbacks()\n }\n }\n window._bokeh_on_load = on_load\n\n function on_error() {\n console.error(\"failed to load \" + url);\n }\n\n var skip = [];\n if 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true;\n }\n root._bokeh_is_initializing = false\n }\n\n function load_or_wait() {\n // Implement a backoff loop that tries to ensure we do not load multiple\n // versions of Bokeh and its dependencies at the same time.\n // In recent versions we use the root._bokeh_is_initializing flag\n // to determine whether there is an ongoing attempt to initialize\n // bokeh, however for backward compatibility we also try to ensure\n // that we do not start loading a newer (Panel>=1.0 and Bokeh>3) version\n // before older versions are fully initialized.\n if (root._bokeh_is_initializing && Date.now() > root._bokeh_timeout) {\n root._bokeh_is_initializing = false;\n root._bokeh_onload_callbacks = undefined;\n console.log(\"Bokeh: BokehJS was loaded multiple times but one version failed to initialize.\");\n load_or_wait();\n } else if (root._bokeh_is_initializing || (typeof root._bokeh_is_initializing === \"undefined\" && root._bokeh_onload_callbacks !== undefined)) {\n setTimeout(load_or_wait, 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});\n", " };\n", " var comm = {\n", " send: sendClosure\n", " };\n", " }\n", " window.PyViz.comms[comm_id] = comm;\n", " return comm;\n", " }\n", " window.PyViz.comm_manager = new JupyterCommManager();\n", " \n", "\n", "\n", "var JS_MIME_TYPE = 'application/javascript';\n", "var HTML_MIME_TYPE = 'text/html';\n", "var EXEC_MIME_TYPE = 'application/vnd.holoviews_exec.v0+json';\n", "var CLASS_NAME = 'output';\n", "\n", "/**\n", " * Render data to the DOM node\n", " */\n", "function render(props, node) {\n", " var div = document.createElement(\"div\");\n", " var script = document.createElement(\"script\");\n", " node.appendChild(div);\n", " node.appendChild(script);\n", "}\n", "\n", "/**\n", " * Handle when a new output is added\n", " */\n", "function handle_add_output(event, handle) {\n", " var output_area = handle.output_area;\n", " var output = handle.output;\n", " if ((output.data == undefined) || (!output.data.hasOwnProperty(EXEC_MIME_TYPE))) {\n", " return\n", " }\n", " var id = 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"CPU times: user 13.8 s, sys: 4.19 s, total: 18 s\n", "Wall time: 11.5 s\n" ] } ], "source": [ "%%time\n", "%matplotlib inline\n", "\n", "import importlib\n", "import new_import_ODC \n", "\n", "importlib.reload(new_import_ODC)\n", "\n", "from new_import_ODC import *" ] }, { "cell_type": "code", "execution_count": 2, "id": "d824dc4f-994b-4d1c-8d24-ce6674da141c", "metadata": { "tags": [] }, "outputs": [ { "name": "stdout", "output_type": "stream", "text": [ "An existing cluster was found. Connecting to: easihub.5da29079abf24b57a75baf959ffd2d88\n", "CPU times: user 734 ms, sys: 37.6 ms, total: 772 ms\n", "Wall time: 1.02 s\n" ] }, { "data": { "text/html": [ "
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Client

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Client-5c21f020-9049-11ef-8063-62b624311704

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Connection method: Cluster objectCluster type: dask_gateway.GatewayCluster
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Cluster Info

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GatewayCluster

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" ], "text/plain": [ "" ] }, "execution_count": 2, "metadata": {}, "output_type": "execute_result" } ], "source": [ "%%time\n", "# Cấu hình Daskgateway\n", "cluster, client = notebook_utils.initialize_dask(use_gateway=True, workers=(1, 10))\n", "# Khai báo 1 Datacube là dc\n", "dc = datacube.Datacube()\n", "\n", "# Cấu hình truy cập dịch vụ S3\n", "configure_s3_access(aws_unsigned=False, requester_pays=True, client=client)\n", "\n", "client" ] }, { "cell_type": "code", "execution_count": 3, "id": "fbed4c80-bbf8-4ea8-aa45-2460b2ba04c7", "metadata": { "tags": [] }, "outputs": [], "source": [ "## cấu hình thời gian lấy ảnh và tọa độ\n", "date_range = (\"2022-09-01\", \"2023-10-01\")\n", "longtitude_range = (105.5, 106.4)\n", "latitude_range = (9.2, 10.0)\n", "\n", "coordinates = (longtitude_range, latitude_range)" ] }, { "cell_type": "code", "execution_count": 4, "id": "6b90c49b-0665-4478-a23b-d111ef88eb79", "metadata": { "tags": [] }, "outputs": [ { "name": "stdout", "output_type": "stream", "text": [ "Most common native CRS: EPSG:32648\n", "No datasets require offset correction\n", "The valid_data_mask and scale (no offset) have been applied to the reflectance bands\n" ] }, { "data": { "text/html": [ "

Dataset size: 111.21 GB

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<xarray.Dataset> Size: 119GB\n",
       "Dimensions:      (time: 151, y: 8874, x: 9902)\n",
       "Coordinates:\n",
       "  * time         (time) datetime64[ns] 1kB 2022-09-02T03:35:23.960000 ... 202...\n",
       "  * y            (y) float64 71kB 1.106e+06 1.106e+06 ... 1.017e+06 1.017e+06\n",
       "  * x            (x) float64 79kB 5.548e+05 5.548e+05 ... 6.538e+05 6.538e+05\n",
       "    spatial_ref  int32 4B 32648\n",
       "Data variables:\n",
       "    red          (time, y, x) float32 53GB dask.array<chunksize=(1, 2048, 2048), meta=np.ndarray>\n",
       "    nir          (time, y, x) float32 53GB dask.array<chunksize=(1, 2048, 2048), meta=np.ndarray>\n",
       "    scl          (time, y, x) uint8 13GB dask.array<chunksize=(1, 2048, 2048), meta=np.ndarray>\n",
       "Attributes:\n",
       "    crs:           EPSG:32648\n",
       "    grid_mapping:  spatial_ref
" ], "text/plain": [ " Size: 119GB\n", "Dimensions: (time: 151, y: 8874, x: 9902)\n", "Coordinates:\n", " * time (time) datetime64[ns] 1kB 2022-09-02T03:35:23.960000 ... 202...\n", " * y (y) float64 71kB 1.106e+06 1.106e+06 ... 1.017e+06 1.017e+06\n", " * x (x) float64 79kB 5.548e+05 5.548e+05 ... 6.538e+05 6.538e+05\n", " spatial_ref int32 4B 32648\n", "Data variables:\n", " red (time, y, x) float32 53GB dask.array\n", " nir (time, y, x) float32 53GB dask.array\n", " scl (time, y, x) uint8 13GB dask.array\n", "Attributes:\n", " crs: EPSG:32648\n", " grid_mapping: spatial_ref" ] }, "metadata": {}, "output_type": "display_data" } ], "source": [ "## truy vấn ảnh vệ tinh sen2\n", "data = load_data(dc, date_range, longtitude_range, latitude_range)\n", "notebook_utils.heading(notebook_utils.xarray_object_size(data))\n", "display(data)" ] }, { "cell_type": "code", "execution_count": 5, "id": "2f6938b6-82e2-4916-bc1d-719c169e25e4", "metadata": { "tags": [] }, "outputs": [ { "data": { "text/html": [ "
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bitsvaluesdescription
qa[0, 1, 2, 3, 4, 5, 6, 7]{'0': 'no data', '1': 'saturated or defective'...Sen2Cor Scene Classification
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" ], "text/plain": [ " bits \\\n", "qa [0, 1, 2, 3, 4, 5, 6, 7] \n", "\n", " values \\\n", "qa {'0': 'no data', '1': 'saturated or defective'... \n", "\n", " description \n", "qa Sen2Cor Scene Classification " ] }, "metadata": {}, "output_type": "display_data" }, { "data": { "text/plain": [ "{'0': 'no data',\n", " '1': 'saturated or defective',\n", " '2': 'dark area pixels',\n", " '3': 'cloud shadows',\n", " '4': 'vegetation',\n", " '5': 'bare soils',\n", " '6': 'water',\n", " '7': 'unclassified',\n", " '8': 'cloud medium probability',\n", " '9': 'cloud high probability',\n", " '10': 'thin cirrus',\n", " '11': 'snow or ice'}" ] }, "metadata": {}, "output_type": "display_data" }, { "name": "stdout", "output_type": "stream", "text": [ "CPU times: user 1.56 s, sys: 40.3 ms, total: 1.6 s\n", "Wall time: 1.59 s\n" ] }, { "data": { "application/vnd.jupyter.widget-view+json": { "model_id": "6cb6d83d6dd14fc182a817559af7b71f", "version_major": 2, "version_minor": 0 }, "text/plain": [ "VBox()" ] }, "metadata": {}, "output_type": "display_data" } ], "source": [ "%%time\n", "# Tiến hành loại bỏ các vị trí bị mây ảnh hưởng\n", "result = mask_clean(data)\n", "progress(result)" ] }, { "cell_type": "code", "execution_count": null, "id": "435f9f78-a9a4-4226-86ca-d4bec42d454e", "metadata": { "tags": [] }, "outputs": [], "source": [ "# Tiến hành tính toán NDVI\n", "ds1 = calculate_indices(result, index=\"NDVI\", satellite_mission=\"s2\")\n", "ndvi = ds1[\"NDVI\"]\n", "display(ndvi)" ] }, { "cell_type": "code", "execution_count": null, "id": "84992d28-8e3f-468e-be08-ded511f2c662", "metadata": { "tags": [] }, "outputs": [], "source": [ "## Hiển thị ảnh NDVI chưa fill nan\n", "plt.imshow(ndvi.isel(time=6))" ] }, { "cell_type": "code", "execution_count": null, "id": "72318b60-532a-4f08-a5f7-94762d08a42c", "metadata": { "tags": [] }, "outputs": [], "source": [ "# Thiết lập giá trị trung bình mùa vụ để xử lý các điểm ảnh bị mây dựa vào sự thay đổi theo mùa\n", "time_split = [\n", " slice(\"2022-09-01\", \"2023-01-01\"),\n", " slice(\"2023-01-01\", \"2023-05-01\"),\n", " slice(\"2023-05-01\", \"2023-07-01\"),\n", " slice(\"2023-07-01\", \"2023-10-01\"),\n", "]\n", "\n", "# Điền mây ở các vị trí mang giá trị nan (fill nan)\n", "fill_nan_ndvi = fill_nan(ndvi, time_split)\n", "\n", "# In kết quả ảnh ndvi đã điền mây (đã fill nan)\n", "plt.imshow(fill_nan_ndvi.isel(time=6))" ] }, { "cell_type": "code", "execution_count": null, "id": "375b1cfb-37f5-49fe-8061-ea32eb47f9f6", "metadata": { "tags": [] }, "outputs": [], "source": [ "%%time\n", "## tính ndvi theo tháng\n", "average_ndvi = fill_nan_ndvi.resample(time=\"1M\").mean().persist()\n", "progress(average_ndvi)\n", "\n", "# compute average_ndvi\n", "average_ndvi = average_ndvi.compute()" ] }, { "cell_type": "code", "execution_count": null, "id": "187cc640-aef9-476b-91fc-b63f4d3ff2e3", "metadata": { "tags": [] }, "outputs": [], "source": [ "#Load dữ liệu ảnh Sentinel 1\n", "dsvh, dsvv = load_data_sen1(dc, date_range, coordinates)\n", "average_vv = calculate_average(dsvv, time_pattern='1M')\n", "average_vh = calculate_average(dsvh, time_pattern='1M')" ] }, { "cell_type": "code", "execution_count": null, "id": "d2585562-88aa-4c7d-bf70-1f6affcf65d4", "metadata": { "tags": [] }, "outputs": [], "source": [ "## cấu hình bộ dữ liệu điểm huấn luyện mô hình (train file)\n", "train_path = \"train/ST_training data_updated_1130points_new.shp\" # đường dẫn shp file train\n", "\n", "## load dữ liệu điểm huấn luyện mô hình (train file)\n", "train = load_train_data(train_path)\n", "train.head()\n", "\n", "# cấu hình nhãn dữ liệu \n", "label_mapping = {\n", " \"Lua tom\": \"0\",\n", " \"Lua\": \"1\",\n", " \"CHN\": \"2\",\n", " \"CLN\": \"3\",\n", " \"TS\": \"4\",\n", " \"Song\": \"5\",\n", " \"Dat xay dung\": \"6\",\n", " \"Rung\": \"7\",\n", "}\n", "\n", "# xây dựng tập dữ liệu (dataset) chứa dữ liệu VH, VV, NDVI\n", "datasets = get_data_sen1_and_sen2(train, average_ndvi, average_vh, average_vv)\n", "\n", "# chia tập dữ liệu thành các phần theo tỉ lệ 80(80-20)-20 tương ứng với tập train, validate, test\n", "X_train, X_val, X_test, y_train, y_val, y_test = split_train_data(\n", " train, label_mapping, datasets\n", ")" ] }, { "cell_type": "code", "execution_count": null, "id": "2e955884-d4af-422d-a8e6-d436199540e0", "metadata": { "tags": [] }, "outputs": [], "source": [ "# Huấn luyện mô hình\n", "grid_search = train_with_rf(X_train, X_val, y_train, y_val)" ] }, { "cell_type": "code", "execution_count": null, "id": "b2a1e42c-cf1b-4d82-a6af-b06e3496918f", "metadata": { "tags": [] }, "outputs": [], "source": [ "# kiểm tra độ chính xác với tập test\n", "y_pred_test = grid_search.predict(X_test)\n", "test_accuracy = accuracy_score(y_test, y_pred_test)\n", "print(f\"Accuracy for test data {round(test_accuracy, 2)*100} %\")" ] }, { "cell_type": "code", "execution_count": null, "id": "f1a14379-ed6e-4897-9ca4-2669743fab40", "metadata": { "tags": [] }, "outputs": [], "source": [ "# Lưu mô hình huấn luyện\n", "save_model(\"model_odc.joblib\", grid_search)" ] }, { "cell_type": "code", "execution_count": null, "id": "33dd516d-9824-499e-96b9-5cd9224c194c", "metadata": { "tags": [] }, "outputs": [], "source": [ "# đóng client, cluster\n", "client.close()\n", "cluster.close()" ] } ], "metadata": { "kernelspec": { "display_name": "Python 3 (ipykernel)", "language": "python", "name": "python3" }, "language_info": { "codemirror_mode": { "name": "ipython", "version": 3 }, "file_extension": ".py", "mimetype": "text/x-python", "name": "python", "nbconvert_exporter": "python", "pygments_lexer": "ipython3", "version": "3.10.12" } }, "nbformat": 4, "nbformat_minor": 5 }