修改灵敏度

修改灵敏度为32，删去了问题数据

01_dataset_building.ipynb

@@ -42,7 +42,7 @@
    "source": [
     "# 一些参数\n",
     "blk_sz = 8\n",
-    "sensitivity = 8\n",
+    "sensitivity = 32\n",
     "selected_bands = [127, 201, 202, 294]\n",
     "# [76, 146, 216, 367, 383, 406]\n",
     "file_name, labeled_image_file = r\"F:\\zhouchao\\616\\calibrated1.raw\", \\\n",

03_data_update.ipynb

@@ -26,7 +26,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 1,
+   "execution_count": 49,
    "outputs": [],
    "source": [
     "import os\n",
@@ -48,12 +48,12 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 2,
+   "execution_count": 50,
    "outputs": [],
    "source": [
     "# some parameters\n",
-    "new_spectra_file = r\"F:\\zhouchao\\618\\bomo\\calibrated7.raw\"\n",
+    "new_spectra_file = r\"F:\\zhouchao\\615\\calibrated0.raw\"\n",
-    "new_label_file = r\"F:\\zhouchao\\618\\bomo\\picture\\label7.bmp\"\n",
+    "new_label_file = r\"F:\\zhouchao\\615\\label0.bmp\"\n",
     "\n",
     "target_class = 0\n",
     "target_class_left, target_class_right = 5, 4\n",
@@ -63,7 +63,7 @@
     "split_line = 500\n",
     "\n",
     "\n",
-    "blk_sz, sensitivity = 8, 8\n",
+    "blk_sz, sensitivity = 8, 32\n",
     "selected_bands = [127, 201, 202, 294]\n",
     "tree_num = 185\n",
     "\n",
@@ -72,11 +72,11 @@
     "color_dict = {(0, 0, 255): 1, (255, 255, 255): 0, (0, 255, 0): 2, (255, 0, 0): 1, (0, 255, 255): 4,\n",
     "          (255, 255, 0): 5, (255, 0, 255): 6}\n",
     "\n",
-    "new_dataset_file = f'./dataset/data_{blk_sz}x{blk_sz}_c{len(selected_bands)}_sen{sensitivity}_7.p'\n",
+    "new_dataset_file = f'./dataset/data_{blk_sz}x{blk_sz}_c{len(selected_bands)}_sen{sensitivity}_4.p'\n",
-    "dataset_file = f'./dataset/data_{blk_sz}x{blk_sz}_c{len(selected_bands)}_sen{sensitivity}_6.p'\n",
+    "dataset_file = f'./dataset/data_{blk_sz}x{blk_sz}_c{len(selected_bands)}_sen{sensitivity}_3.p'\n",
     "\n",
-    "model_file = f'./models/rf_{blk_sz}x{blk_sz}_c{len(selected_bands)}_{tree_num}_6.model'\n",
+    "model_file = f'./models/rf_{blk_sz}x{blk_sz}_c{len(selected_bands)}_{tree_num}_sen{sensitivity}_3.model'\n",
-    "selected_bands = None"
+    "# selected_bands = None"
    ],
    "metadata": {
     "collapsed": false,
@@ -87,10 +87,9 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 3,
+   "execution_count": 51,
    "outputs": [],
    "source": [
-    "# if len(new_spectra_files) == 1:\n",
     "data = read_raw_file(new_spectra_file, selected_bands)"
    ],
    "metadata": {
@@ -115,7 +114,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 4,
+   "execution_count": 52,
    "outputs": [],
    "source": [
     "x_list, y_list = [], []\n",
@@ -144,7 +143,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 5,
+   "execution_count": 53,
    "outputs": [],
    "source": [
     "if (new_label_file is None) and (target_class != 1):\n",
@@ -176,7 +175,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 6,
+   "execution_count": 54,
    "outputs": [
     {
      "name": "stdout",
@@ -201,13 +200,13 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 7,
+   "execution_count": 55,
    "outputs": [
     {
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "148 148\n"
+      "301 301\n"
      ]
     }
    ],
@@ -235,7 +234,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 8,
+   "execution_count": 56,
    "outputs": [],
    "source": [
     "with open(dataset_file, 'rb') as f:\n",
@@ -266,7 +265,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 8,
+   "execution_count": 56,
    "outputs": [],
    "source": [],
    "metadata": {

models.py

@@ -10,11 +10,6 @@ from sklearn.decomposition import PCA
 from sklearn.metrics import accuracy_score, classification_report, confusion_matrix
 
 
-# def feature(x):
-#     x = x.reshape((x.shape[0], -1, x.shape[-1]))
-#     x = np.mean(x, axis=1)
-#     return x
-
 def feature(x):
     x = x.reshape((x.shape[0], -1))
     return x
@@ -69,10 +64,13 @@ def evaluation_and_report(model, test_x, test_y):
 def train_pca_rf(train_x, train_y, test_x, test_y, n_comp,
                  tree_num, save_path=None):
     rfc = RandomForestClassifier(n_estimators=tree_num, random_state=42, class_weight={0: 100, 1: 100})
-    pca = PCA(n_components=0.95)
+    pca = PCA(n_components=n_comp)
-    rfc = rfc.fit(train_x, train_y)
+    pca = pca.fit(train_x)
+    pca_train_x = pca.transform(train_x)
+    rfc = rfc.fit(pca_train_x, train_y)
     t1 = time.time()
-    y_pred = rfc.predict(test_x)
+    pca_test_x = pca.transform(test_x)
+    y_pred = rfc.predict(pca_test_x)
     y_pred_binary = np.ones_like(y_pred)
     y_pred_binary[(y_pred == 0) | (y_pred == 1)] = 0
     y_pred_binary[(y_pred == 2) | (y_pred == 3) | (y_pred == 4)] = 2
@@ -80,8 +78,8 @@ def train_pca_rf(train_x, train_y, test_x, test_y, n_comp,
     test_y_binary[(test_y == 0) | (test_y == 1)] = 0
     test_y_binary[(test_y == 2) | (test_y == 3) | (test_y == 4)] = 2
     print("预测时间：", time.time() - t1)
-    print("RFC训练模型评分：" + str(accuracy_score(train_y, rfc.predict(train_x))))
+    print("RFC训练模型评分：" + str(accuracy_score(train_y, rfc.predict(pca_train_x))))
-    print("RFC待测模型评分：" + str(accuracy_score(test_y, rfc.predict(test_x))))
+    print("RFC待测模型评分：" + str(accuracy_score(test_y, rfc.predict(pca_test_x))))
     print('RFC预测结果：' + str(y_pred))
     print('---------------------------------------------------------------------------------------------------')
     print('RFC分类报告：\n' + str(classification_report(test_y, y_pred)))  # 生成一个小报告呀
@@ -140,3 +138,39 @@ class SpecDetector(object):
             mask[row, col] = r
         mask = mask.repeat(self.blk_sz, axis=0).repeat(self.blk_sz, axis=1)
         return mask
+
+
+class PcaSpecDetector(object):
+    def __init__(self, model_path, pca_path, blk_sz=8, channel_num=4):
+        self.blk_sz, self.channel_num = blk_sz, channel_num
+        if os.path.exists(model_path):
+            with open(model_path, "rb") as model_file:
+                self.clf = pickle.load(model_file)
+        else:
+            raise FileNotFoundError("Model File not found")
+        if os.path.exists(pca_path):
+            with open(pca_path, "rb") as pca_file:
+                self.pca = pickle.load(pca_file)
+        else:
+            raise FileNotFoundError("Pca File not found")
+
+    def predict(self, data):
+        blocks = split_x(data, blk_sz=self.blk_sz)
+        blocks = np.array(blocks)
+        features = feature(np.array(blocks))
+        y_pred = self.clf.predict(features)
+        y_pred_binary = np.ones_like(y_pred)
+        # classes merge
+        y_pred_binary[(y_pred == 0) | (y_pred == 1) | (y_pred == 3)] = 0
+        # transform to mask
+        mask = self.mask_transform(y_pred_binary, (1024, 600))
+        return mask
+
+    def mask_transform(self, result, dst_size):
+        mask_size = 600 // self.blk_sz, 1024 // self.blk_sz
+        mask = np.zeros(mask_size, dtype=np.uint8)
+        for idx, r in enumerate(result):
+            row, col = idx // mask_size[1], idx % mask_size[1]
+            mask[row, col] = r
+        mask = mask.repeat(self.blk_sz, axis=0).repeat(self.blk_sz, axis=1)
+        return mask

utils.py

@@ -119,9 +119,13 @@ def visualization_evaluation(detector, data_path, selected_bands=None):
             rgb_img = np.asarray(img[..., [372, 241, 169]] * 255, dtype=np.uint8)
         else:
             rgb_img = np.asarray(img[..., [0, 1, 2]] * 255, dtype=np.uint8)
-        fig, axs = plt.subplots(1, 2)
+        mask_color = np.zeros_like(rgb_img)
+        mask_color[mask > 0] = (0, 0 , 255)
+        combine = cv2.addWeighted(rgb_img, 1, mask_color, 0.5, 0)
+        fig, axs = plt.subplots(1, 3)
         axs[0].imshow(rgb_img)
         axs[1].imshow(mask)
+        axs[2].imshow(combine)
         fig.suptitle(f"time spent {time_spent * 1000:.2f} ms" + f"\n{image_path}")
         plt.savefig(f"./dataset/{idx}.png", dpi=300)
         plt.show()