HOW TO GUIDE

Deploy PaliGemma to Azure Virtual Machines

Using Roboflow Inference, you can deploy computer vision models to the edge with a few lines of code. Learn more in our guide below.
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Overview

In this guide, we are going to show how to deploy a

model to

Azure Virtual Machines

using the Roboflow Inference Server. This SDK works with

models trained on both Roboflow and in custom training processes outside of Roboflow.

Run a Model on Your Device

You can deploy the above workflow using a default model trained on the Microsoft COCO dataset. To deploy the model, click "Fork Workflow" to bring it into your Roboflow account. From there, you can deploy the model in two ways:

1. On images (either in the cloud or on your device), and;
2. On video streams (on your device, connected to a webcam or RTSP stream).

Once you have forked a Workflow, click "Deploy Workflow" to see instructions on how to run your model.

To deploy a Deploy PaliGemma to Azure Virtual Machines model, you will:

  1. Deploy a Workflow
  2. Upload custom model weights to Roboflow
  3. Run a Workflow using your custom model weights on your hardware
  4. Try out the model on an example image

Let's get started!

and Image Annotation Resources

Explore these resources to enhance your understanding of XXX and image annotation techniques.
Step 1

Train a Model on or Upload a Model to Roboflow

First, create a Roboflow account and create a new project. When you have created a new project, upload your project data, then generate a new dataset version. With that version ready, you can upload your model weights to Roboflow.

Download the Roboflow Python SDK:

pip install roboflow


Then, use the following script to upload your model weights:

from roboflow import Roboflow

home = "/path/to/project/folder"

rf = Roboflow(api_key=os.environ["ROBOFLOW_API_KEY"])
project = rf.workspace().project("PROJECT_ID")

project.version(PROJECT_VERSION).deploy(model_type="yolov5", model_path=f"/{home}/yolov5/runs/train/")


Read the Roboflow model weight upload documentation for more information about uploading model weights.

You will need your project name, version, API key, and model weights. The following documentation shows how to retrieve your API key and project information:

- Retrieve your Roboflow project name and version
- Retrieve your API key

Change the path in the script above to the path where your model weights are stored.

When you have configured the script above, run the code to upload your weights to Roboflow.

Now you are ready to start deploying your model.

Step 2

Download Roboflow Inference

The Roboflow Inference Server allows you to deploy computer vision models to a range of devices, including

Azure Virtual Machines

.

You can run Roboflow Inference in Docker, or via the Python SDK.

For this guide, we will run Inference with Docker and use the Python SDK to interface with our Docker deployment. We will deploy our model on a

Azure Virtual Machines

.

To install Inference and set up an Inference server in Docker, run:
‍


pip install inference
inference server start


Now you have the Roboflow Inference Server running, you can use your model on

Azure Virtual Machines

.

For a Jetson deployment, using Docker is highly recommended since everything has to be installed special depending on your Jetpack version. Absent Docker, it is easy to accidentally do these installs incorrectly and need to reflash everything to the device.

Step 3

Run Inference on an Image

You can run inference on images with Roboflow Inference.

Create a new Python file and add the following code:

# import client from inference sdk
from inference_sdk import InferenceHTTPClient
# import PIL for loading image
from PIL import Image
# import os for getting api key from environment
import os

# set the project_id, model_version, image_url
project_id = "soccer-players-5fuqs"
model_version = 1
filename = "path/to/local/image.jpg"

# create a client object
client = InferenceHTTPClient(
    api_url="http://localhost:9001",
    api_key=os.environ["API_KEY"],
)

# load the image
pil_image = Image.open(filename)

# run inference
results = client.infer(pil_image, model_id=f"{project_id}/{model_version}")

print(results)

Substitute the model name and version with the values associated with your Roboflow account and project, then run the script.

This code will return a Python object with results from your model.

You can process these results and plot them on an image with the supervision Python package:


detections = sv.Detections.from_inference(results[0])

box_annotator = sv.BoxAnnotator()
label_annotator = sv.LabelAnnotator()

annotated_image = box_annotator.annotate(
    scene=image, detections=detections)
annotated_image = label_annotator.annotate(
    scene=annotated_image, detections=detections)

sv.plot_image(image=annotated_image, size=(16, 16))
Step 4

Run Inference on a Video

You can run inference on videos with Roboflow Inference and the InferencePipeline feature.

Create a new Python file and add the following code:

# Import the InferencePipeline object
from inference import InferencePipeline
# Import the built in render_boxes sink for visualizing results
from inference.core.interfaces.stream.sinks import render_boxes

# initialize a pipeline object
pipeline = InferencePipeline.init(
    model_id="rock-paper-scissors-sxsw/11", # Roboflow model to use
    video_reference=0, # Path to video, device id (int, usually 0 for built in webcams), or RTSP stream url
    on_prediction=render_boxes, # Function to run after each prediction
)
pipeline.start()
pipeline.join()

Substitute the model name and version with the values associated with your Roboflow account and project, then run the script.

This code will run a model on frames from a webcam stream. To use RTSP, set the video_reference value to an RTSP stream URL. To use video, set the video_reference value to a video file path.

Predictions are annotated using the render_boxes helper function. You can specify any function to process each prediction in the on_prediction parameter.

To learn how to define your own callback function with custom logic, refer to the Define Custom Prediction Logic documentation.

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