fix docs (#3386)

Author: BluebirdStory

docs/pipeline_usage/tutorials/cv_pipelines/rotated_object_detection.en.md

@@ -180,7 +180,7 @@ In the above Python script, the following steps were executed:
 </tr>
 <tr>
 <td><code>threshold</code></td>
-<td>The actual image resolution used during model inference</td>
+<td>Filtering threshold for low-confidence object</td>
 <td><code>None|float|dict[int, float]</code></td>
 <td>
 <ul>

docs/pipeline_usage/tutorials/cv_pipelines/rotated_object_detection.md

@@ -174,7 +174,7 @@ for res in output:
 <td><code>None</code></td>
 </tr>
 <td><code>threshold</code></td>
-<td>模型推理时实际使用的图像分辨率</td>
+<td>低分object过滤阈值</td>
 <td><code>None|float|dict[int, float]</code></td>
 <td>
 <ul>

docs/pipeline_usage/tutorials/cv_pipelines/small_object_detection.en.md

@@ -198,7 +198,7 @@ In the above Python script, the following steps are performed:
 <td><code>None</code></td>
 </tr>
 <td><code>threshold</code></td>
-<td>Image resolution actually used during model inference</td>
+<td>Filtering threshold for low-confidence object</td>
 <td><code>None|float|dict[int, float]</code></td>
 <td>
 <ul>

docs/pipeline_usage/tutorials/cv_pipelines/small_object_detection.md

@@ -195,7 +195,7 @@ for res in output:
 <td><code>None</code></td>
 </tr>
 <td><code>threshold</code></td>
-<td>模型推理时实际使用的图像分辨率</td>
+<td>低置信度object过滤阈值</td>
 <td><code>None|float|dict[int, float]</code></td>
 <td>
 <ul>