[Add Model]Add RKPicodet (#495)

* 11-02/14:35
* 新增输入数据format错误判断
* 优化推理过程，减少内存分配次数
* 支持多输入rknn模型
* rknn模型输出shape为三维时，输出将被强制对齐为4纬。现在将直接抹除rknn补充的shape，方便部分对输出shape进行判断的模型进行正确的后处理。

* 11-03/17:25
* 支持导出多输入RKNN模型
* 更新各种文档
* ppseg改用Fastdeploy中的模型进行转换

* 11-03/17:25
* 新增开源头

* 11-03/21:48
* 删除无用debug代码，补充注释

* 11-04/01:00
* 新增rkpicodet代码

* 11-04/13:13
* 提交编译缺少的文件

* 11-04/14:03
* 更新安装文档

* 11-04/14:21
* 更新picodet_s配置文件

* 11-04/14:21
* 更新picodet自适应输出结果

* 11-04/14:21
* 更新文档

* * 更新配置文件

* * 修正配置文件

* * 添加缺失的python文件

* * 修正文档

* * 修正代码格式问题0

* * 按照要求修改

* * 按照要求修改

* * 按照要求修改

* * 按照要求修改

* * 按照要求修改

* test

python/fastdeploy/vision/detection/__init__.py

@@ -24,3 +24,4 @@ from .contrib.yolov6 import YOLOv6
 from .contrib.yolov7end2end_trt import YOLOv7End2EndTRT
 from .contrib.yolov7end2end_ort import YOLOv7End2EndORT
 from .ppdet import PPYOLOE, PPYOLO, PPYOLOv2, PaddleYOLOX, PicoDet, FasterRCNN, YOLOv3, MaskRCNN
+from .rknpu2 import RKPicoDet

python/fastdeploy/vision/detection/rknpu2/__init__.py

@@ -0,0 +1,44 @@
+# Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+from __future__ import absolute_import
+from typing import Union, List
+import logging
+from .... import FastDeployModel, ModelFormat
+from .... import c_lib_wrap as C
+from .. import PPYOLOE
+
+
+class RKPicoDet(PPYOLOE):
+    def __init__(self,
+                 model_file,
+                 params_file,
+                 config_file,
+                 runtime_option=None,
+                 model_format=ModelFormat.RKNN):
+        """Load a PicoDet model exported by PaddleDetection.
+
+        :param model_file: (str)Path of model file, e.g picodet/model.pdmodel
+        :param params_file: (str)Path of parameters file, e.g picodet/model.pdiparams, if the model_fomat is ModelFormat.ONNX, this param will be ignored, can be set as empty string
+        :param config_file: (str)Path of configuration file for deployment, e.g ppyoloe/infer_cfg.yml
+        :param runtime_option: (fastdeploy.RuntimeOption)RuntimeOption for inference this model, if it's None, will use the default backend on CPU
+        :param model_format: (fastdeploy.ModelForamt)Model format of the loaded model
+        """
+
+        super(PPYOLOE, self).__init__(runtime_option)
+
+        assert model_format == ModelFormat.RKNN, "RKPicoDet model only support model format of ModelFormat.RKNN now."
+        self._model = C.vision.detection.RKPicoDet(
+            model_file, params_file, config_file, self._runtime_option,
+            model_format)
+        assert self.initialized, "RKPicoDet model initialize failed."