# Pose estimation and display with TFLite Source: [https://docs.qualcomm.com/doc/80-70014-50/topic/single-camera-stream-with-pose-estimation-and-display.html](https://docs.qualcomm.com/doc/80-70014-50/topic/single-camera-stream-with-pose-estimation-and-display.html) The use cases use the PoseNet TFLite model to process a single camera stream with pose estimation. ## Variant 1: Use qtioverlay plugin to apply pose estimation overlay Use the following command to execute the use case: setprop persist.overlay.use_c2d_blit 2Copy to clipboard gst-launch-1.0 -e \ qtiqmmfsrc name=camsrc ! video/x-raw\(memory:GBM\),format=NV12,width=1280,height=720,framerate=30/1,compression=ubwc ! queue ! tee name=split \ split. ! queue ! qtimetamux name=metamux ! queue ! qtioverlay ! queue ! waylandsink fullscreen=true sync=false \ split. ! queue ! qtimlvconverter ! queue ! qtimltflite delegate=external external-delegate-path=libQnnTFLiteDelegate.so external-delegate-options="QNNExternalDelegate,backend_type=htp;" model=/opt/posenet_mobilenet_v1.tflite ! queue ! qtimlvpose threshold=51.0 results=2 module=posenet labels=/opt/posenet_mobilenet_v1.labels constants="Posenet,q-offsets=<128.0,128.0,117.0>,q-scales=<0.0784313753247261,0.0784313753247261,1.3875764608383179>;" ! text/x-raw ! queue ! metamux.Copy to clipboard To stop the use case, press CTRL + C. Figure : Pipeline for pose estimation overlay ![](data:image/png;base64,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) The figure shows the flow of the use case execution: 1. Identify poses of people in scenes from a video stream, which is coming through a camera source. 2. Overlay the available poses using overlaylib. 3. Display the results. The table provides the sequential processing stages of the pipeline execution: | Process | Description | | --- | --- | | [qtiqmmfsrc](https://docs.qualcomm.com/doc/80-70014-50/topic/qtiqmmfsrc.html) |

  1. Collects the video stream (source) and creates two copies of
    the source:

    1. One is sent to qtimetamux plugin to retain the video
      stream.


    2. The other is sent to a ML inferencing pipeline.





| | **Preprocessing** | **Preprocessing** | | [qtimlvconverter](https://docs.qualcomm.com/doc/80-70014-50/topic/qtimlvconverter.html) |

  1. Receives the video stream on its sink pad.


  2. Performs preprocessing:


  3. Converts the video stream to a tensor stream on its source
    pad.

    The PoseNet model uses this tensor stream for
    inferencing.




| | **Inferencing** | **Inferencing** | | [qtimltflite](https://docs.qualcomm.com/doc/80-70014-50/topic/qtimltflite.html) |

  1. Loads the PoseNet model.


  2. Modifies the graph for the chosen delegate.


  3. Receives the tensor stream on its sinkpad.


  4. Executes the inference and produces tensor stream with the
    pose estimation results on its source pad.


| | **Postprocessing** | **Postprocessing** | | [qtimlvpose](https://docs.qualcomm.com/doc/80-70014-50/topic/qtimlvpose.html) |

  1. Receives the inference tensors from a PoseNet model on its
    sinkpad.


  2. Converts the tensors into formats such as video or text that
    can be processed by the multimedia plugins later.


  3. Applies the threshold to the chosen number of results.


  4. Loads the corresponding modules of the pose estimation
    models.

    In this use case, qtimlvpose does the
    following:


    1. Loads the PoseNet submodule.


    2. Produces results as structures of text.


    3. Sends them to the sinkpad of qtimetamux.





| | [qtimetamux](https://docs.qualcomm.com/doc/80-70014-50/topic/qtimetamux.html) |

  1. Receives the video stream and text stream with pose results
    corresponding to video stream on its sinkpads.


  2. Produces GST buffers with contents of video stream on its
    sink pad.


  3. Adds poses from data sinkpad to GST buffer meta (meta
    muxing) on its source pad.


| | [qtioverlay](https://docs.qualcomm.com/doc/80-70014-50/topic/qtioverlay.html) |

  1. Receives the multiplexed stream.


  2. Overlays the poses on the VideoFrame using CL.


  3. Produces GST buffers with overlays in its source pad.


| | **Output** | **Output** | | [Waylandsink](https://docs.qualcomm.com/doc/80-70014-50/topic/waylandsink.html) |

  1. Receives the video stream on its sinkpad.


  2. Submits the video stream to Weston.


  3. Weston renders the following on a local display device:

    1. The video stream captured from the camera.


    2. The poses generated for multiple people in that
      scene.





| ## **Variant 2: Use qtivcomposer to mix original frame with pose estimation mask** Use the following command to execute the use case: gst-launch-1.0 -e --gst-debug=2 \ qtiqmmfsrc name=camsrc ! video/x-raw\(memory:GBM\),format=NV12,width=1280,height=720,framerate=30/1,compression=ubwc ! queue ! tee name=split \ split. ! queue ! qtivcomposer name=mixer ! queue ! waylandsink fullscreen=true sync=false \ split. ! queue ! qtimlvconverter ! queue ! qtimltflite delegate=external external-delegate-path=libQnnTFLiteDelegate.so external-delegate-options="QNNExternalDelegate,backend_type=htp;" model=/opt/posenet_mobilenet_v1.tflite ! queue ! qtimlvpose threshold=51.0 results=2 module=posenet labels=/opt/posenet_mobilenet_v1.labels constants="Posenet,q-offsets=<128.0,128.0,117.0>,q-scales=<0.0784313753247261,0.0784313753247261,1.3875764608383179>;" ! video/x-raw,format=BGRA,width=640,height=360 ! queue ! mixer.Copy to clipboard To stop the use case, press CTRL + C. Figure : Pipeline for pose estimation mask using qtivcomposer ![](data:image/png;base64,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) The figure shows the flow of the use case execution: 1. Identify poses of people in scenes from a video stream, which is coming through a camera source. 2. Compose the poses and video stream using qtivcomposer. 3. Display the results. The table provides the sequential processing stages of the pipeline execution: | Process | Description | | --- | --- | | [qtiqmmfsrc](https://docs.qualcomm.com/doc/80-70014-50/topic/qtiqmmfsrc.html) |

  1. Collects the video stream (source) and creates two copies of
    the source:


| | **Preprocessing** | **Preprocessing** | | [qtimlvconverter](https://docs.qualcomm.com/doc/80-70014-50/topic/qtimlvconverter.html) |

  1. Receives the video stream on its sink pad.


  2. Performs preprocessing:


  3. Converts the video stream to a tensor stream on its source
    pad.

    The PoseNet model uses this tensor stream for
    inferencing.




| | **Inferencing** | **Inferencing** | | [qtimltflite](https://docs.qualcomm.com/doc/80-70014-50/topic/qtimltflite.html) |

  1. Loads the PoseNet model.


  2. Modifies the graph for the chosen delegate.


  3. Receives the tensor stream on its sinkpad.


  4. Executes the inference and produces tensor stream with the
    pose estimation results on its source pad.


| | **Postprocessing** | **Postprocessing** | | [qtimlvpose](https://docs.qualcomm.com/doc/80-70014-50/topic/qtimlvpose.html) |

  1. Receives the inference tensors from a PoseNet model on its
    sinkpad.


  2. Converts the tensors into formats such as video or text that
    can be processed by the multimedia plugins later.


  3. Applies the threshold to the chosen number of results.


  4. Loads the corresponding modules of the pose estimation
    models.

    In this use case, qtimlvpose does the
    following:


    1. Loads the PoseNet submodule.


    2. Produces results as video frames with poses
      drawn.


    3. Sends them to sinkpad of the qtivcomposer.





| | [qtivcomposer](https://docs.qualcomm.com/doc/80-70014-50/topic/qtivcomposer.html) |

  1. Receives the original video stream and video stream of
    poses on its sinkpads.


  2. On its sourcepad, produces the GST buffers with contents
    composed of video streams from its sinkpads.


| | **Output** | **Output** | | [Waylandsink](https://docs.qualcomm.com/doc/80-70014-50/topic/waylandsink.html) |

  1. Receives the video stream on its sinkpad.


  2. Submits the video stream to Weston.


  3. Weston renders the following on a local display device:

    1. The video stream captured from the camera.


    2. The poses generated for multiple people in that
      scene.





| **Parent Topic:** [TensorFlow Lite use cases](https://docs.qualcomm.com/doc/80-70014-50/topic/tensorflow-lite-use-cases.html) Last Published: Oct 27, 2025 [Previous Topic Image segmentation and encode with TFLite](https://docs.qualcomm.com/bundle/publicresource/80-70014-50/topics/single-camera-stream-with-image-segmentation-and-encode.md) [Next Topic Pose estimation and encode with TFLite](https://docs.qualcomm.com/bundle/publicresource/80-70014-50/topics/single-camera-stream-with-pose-estimation-and-encode.md)