Update README

Add a small header description listing main features
Add more detailed installation instructions

CHANGELOG.md

@@ -11,6 +11,7 @@ All notable changes to Pixano will be documented in this file.
 
 ### Changed
 
+- Update README with a small header description listing main features and more detailed installation instructions
 - Generate API reference automatically
 - Update documentation website accent color to complementary color of the Pixano main accent color
 - Add cross-references to Pixano, TensorFlow, and Hugging Face Transformers in the API reference of the documentation website

README.md

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 <br/>
 
-**Inference models for Pixano,**
-
-**Data-centric AI building blocks for computer vision applications**
+**Inference models for Pixano**
 
 **_Under active development, subject to API change_**
 
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 </div>
 
-# Installing Pixano Inference
+<hr />
+
+<a href="https://github.com/pixano/pixano" target="_blank">Pixano</a> is an open-source tool by CEA List for exploring and annotating your dataset using AI features like **smart segmentation** and **semantic search**.
+
+This library provides the AI models like _SAM_ and _CLIP_ that power those features, as well as a PyTorch and TensorFlow models for pre-annotating your datasets.
+
+# Getting started
+
+## Installing Pixano Inference
+
+As Pixano and Pixano Inference require specific versions for their dependencies, we recommend creating a new Python virtual environment to install them.
+
+For example, with <a href="https://conda.io/projects/conda/en/latest/user-guide/install/index.html" target="_blank">conda</a>:
+
+```shell
+conda create -n pixano_env python=3.10
+conda activate pixano_env
+```
+
+Then, you can install Pixano Inference inside that environment with pip:
 
 ```shell
 pip install pixano-inference@git+https://github.com/pixano/pixano-inference
 ```
 
-# Using Pixano Inference
+As it is a requirement of Pixano Inference, Pixano will automatically be downloaded if it is not already installed.
+
+## Using the models
 
-Please refer to [these Pixano notebooks](https://github.com/pixano/pixano/tree/main/notebooks/models) for information on how to use the inference models provided by this module.
+Please refer to <a href="https://github.com/pixano/pixano/tree/main/notebooks/models" target="_blank">these notebooks</a> for information on how to use the models provided by Pixano Inference.
 
 # Contributing