# 为定制模型添加后处理支持

本节将指导您在 Qualcomm IM SDK 插件中添加模型后处理支持，尤其是在当前 Qualcomm IM SDK 插件不支持模型后处理的情况下。

此示例说明了将自定义模型后处理添加到 `qtimlvdetection` 插件的步骤。

![../_images/add-post-processing.png](data:image/png;base64,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)

前提条件

`qtimlvconverter` 必须支持模型预处理。请参阅 [README](https://git.codelinaro.org/clo/le/platform/vendor/qcom-opensource/gst-plugins-qti-oss/-/blob/imsdk.lnx.2.0.0.r2-rel/gst-plugin-mlvdetection/modules/README?ref_type=heads) 以了解更多信息。

## 为 `qtimlvdetection` 添加 YoloV8 模块支持

1. 在 `qtimlvdetection` 插件中编写一个新模块以启用后处理支持。

    请参阅以下示例代码作为参考：[gst-plugin-mlvdetection/modules/ml-vdetection-yolov8.c imsdk.lnx.2.0.0.r2-rel · CodeLinaro / le / platform / vendor / qcom-opensource / gst-plugins-qti-oss GitLab](https://git.codelinaro.org/clo/le/platform/vendor/qcom-opensource/gst-plugins-qti-oss/-/blob/imsdk.lnx.2.0.0.r2-rel/gst-plugin-mlvdetection/modules/ml-vdetection-yolov8.c)。
2. 为定制模型编写一个新文件。在模型后处理模块中，该 `gst_ml_module_process` 函数负责执行所有后处理操作。

    使用[编译和安装 Qualcomm IM SDK插件](https://docs.qualcomm.com/bundle/publicresource/topics/80-70020-51/compile-install-imsdk-plugins.html)中提供的说明重新编译该插件。
3. 将新文件添加到 `Cmakelists.txt` 中。

    请参阅以下示例作为参考：

    [gst-plugin-mlvdetection/modules/CMakeLists.txt·imsdk.lnx.2.0.0.r2-rel·CodeLinaro/le/platform/vendor/qcom-opensource/gst-plugins-qti-oss GitLab](https://git.codelinaro.org/clo/le/platform/vendor/qcom-opensource/gst-plugins-qti-oss/-/blob/imsdk.lnx.2.0.0.r2-rel/gst-plugin-mlvdetection/modules/CMakeLists.txt)
4. 重新编译并运行参考应用程序。

    有关如何使用 eSDK 编译参考应用程序的说明，请参阅 [Qualcomm Intelligent Multimedia 软件开发包 (IM SDK) 快速入门指南](https://docs.qualcomm.com/bundle/publicresource/topics/80-70020-51/introduction.html)。

    如需了解如何编写自己的插件的更多说明，请参阅 [README](https://git.codelinaro.org/clo/le/platform/vendor/qcom-opensource/gst-plugins-qti-oss/-/blob/imsdk.lnx.2.0.0.r2-rel/gst-plugin-mlvdetection/modules/README)。

Last Published: Oct 12, 2025

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