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[Other] add code and docs for ppclas examples (#1312)

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* add code and docs for ppclas examples

* fix doc

* add code for printing results

* add ppcls demo and docs

* modify example according to refined c api

* modify example code and docs for ppcls and ppdet

* modify example code and docs for ppcls and ppdet

* update ppdet demo

* fix demo codes

* fix doc

* release resource when failed

* fix

* fix name

* fix name
This commit is contained in:
chenjian
2023-02-17 15:43:21 +08:00
committed by GitHub
parent 7c4e0d7ba0
commit 859896cd2c
14 changed files with 932 additions and 144 deletions
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examples/vision/detection/paddledetection/c/README_CN.md
+4 -30
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@@ -82,7 +82,7 @@ void FD_C_RuntimeOptionWrapperUseGpu(
```c
FD_C_PPYOLOEWrapper* FD_C_CreatesPPYOLOEWrapper(
FD_C_PPYOLOEWrapper* FD_C_CreatePPYOLOEWrapper(
const char* model_file, const char* params_file, const char* config_file,
FD_C_RuntimeOptionWrapper* runtime_option,
const FD_C_ModelFormat model_format)
@@ -141,7 +141,7 @@ FD_C_Bool FD_C_Imwrite(const char* savepath, FD_C_Mat img);
```c
FD_C_Bool FD_C_PPYOLOEWrapperPredict(
__fd_take FD_C_PPYOLOEWrapper* fd_c_ppyoloe_wrapper, FD_C_Mat img,
FD_C_DetectionResultWrapper* fd_c_detection_result_wrapper)
FD_C_DetectionResult* fd_c_detection_result)
```
>
> 模型预测接口，输入图像直接并生成检测结果。
@@ -149,37 +149,11 @@ FD_C_Bool FD_C_PPYOLOEWrapperPredict(
> **参数**
> * **fd_c_ppyoloe_wrapper**(FD_C_PPYOLOEWrapper*): 指向PPYOLOE模型的指针
> * **img**（FD_C_Mat）: 输入图像的指针，指向cv::Mat对象，可以调用FD_C_Imread读取图像获取
> * **result**（FD_C_DetectionResultWrapper*): 指向检测结果的指针，检测结果包括检测框，各个框的置信度, DetectionResult说明参考[视觉模型预测结果](../../../../../docs/api/vision_results/)
> * **fd_c_detection_result**FD_C_DetectionResult*): 指向检测结果的指针，检测结果包括检测框，各个框的置信度, DetectionResult说明参考[视觉模型预测结果](../../../../../docs/api/vision_results/)
#### Predict结果
```c
FD_C_DetectionResultWrapper* FD_C_CreateDetectionResultWrapper();
```
>
> 创建一个DetectionResult对象，用来保存推理的结果，并返回所创建的DetectionResult对象的指针。
>
> **返回**
> * **fd_c_detection_result_wrapper**(FD_C_DetectionResultWrapper*): 指向DetectionResult对象的指针
```c
FD_C_DetectionResult* FD_C_DetectionResultWrapperGetData(
FD_C_DetectionResultWrapper* fd_c_detection_result_wrapper)
```
>
> 从DetectionResult对象中提取纯C结构的DetectionResult结果，并返回结构指针，通过该指针可直接返回结构中的字段。
>
> **参数**
> * **fd_c_detection_result_wrapper**(FD_C_DetectionResultWrapper*): 指向DetectionResult对象的指针
>
> **返回**
> * **fd_c_detection_result**(FD_C_DetectionResult*): 指向纯C结构的DetectionResult的指针
```c
FD_C_Mat FD_C_VisDetection(FD_C_Mat im, FD_C_DetectionResult* fd_detection_result,
float score_threshold, int line_size, float font_size);
@@ -189,7 +163,7 @@ FD_C_Mat FD_C_VisDetection(FD_C_Mat im, FD_C_DetectionResult* fd_detection_resul
>
> **参数**
> * **im**(FD_C_Mat): 指向输入图像的指针
> * **fd_detection_result**(FD_C_DetectionResult*): 指向纯C结构DetectionResult的指针
> * **fd_detection_result**(FD_C_DetectionResult*): 指向FD_C_DetectionResult结构的指针
> * **score_threshold**(float): 检测阈值
> * **line_size**(int): 检测框线大小
> * **font_size**(float): 检测框字体大小