# Thêm tính năng hỗ trợ hậu xử lý cho model tùy chỉnh

Phần này hướng dẫn bạn thêm tính năng hỗ trợ hậu xử lý cho model trong plugin Qualcomm IM SDK, đặc biệt trong trường hợp plugin Qualcomm IM SDK hiện tại không hỗ trợ hậu xử lý cho model.

Ví dụ này giải thích các bước để thêm tính năng hậu xử lý model tùy chỉnh vào plugin `qtimlvdetection`.

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

Điều kiện tiên quyết

`qtimlvconverter` phải hỗ trợ tiền xử lý cho model. Hãy xem tệp [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) để biết thêm thông tin.

## Thêm tính năng hỗ trợ mô-đun YoloV8 cho `qtimlvdetection`

1. Viết một mô-đun mới trong plugin `qtimlvdetection` để kích hoạt tính năng hỗ trợ hậu xử lý.

    Hãy tham khảo mã ví dụ sau đây:  [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. Viết một tệp mới cho model tùy chỉnh của bạn. Trong mô-đun hậu xử lý của model, hàm `gst_ml_module_process` chịu trách nhiệm thực thi mọi hoạt động hậu xử lý.

    Biên dịch lại plugin theo hướng dẫn có trong phần [biên dịch và cài đặt các plugin Qualcomm IM SDK](https://docs.qualcomm.com/bundle/publicresource/topics/80-70020-51/compile-install-imsdk-plugins.html).
3. Thêm tệp mới trong `Cmakelists.txt`.

    Hãy tham khảo ví dụ sau đây:

    [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. Biên dịch lại và chạy ứng dụng mẫu.

    Hãy xem [Hướng dẫn bắt đầu nhanh với Qualcomm Intelligent Multimedia Software Development Kit (IM SDK)](https://docs.qualcomm.com/bundle/publicresource/topics/80-70020-51/introduction.html) để biết hướng dẫn về cách biên dịch ứng dụng tham chiếu bằng eSDK.

    Hãy xem tệp [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) để biết hướng dẫn chi tiết hơn về cách viết plugin của riêng bạn.

Last Published: Dec 23, 2025

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