Update README.md (#1)

- Update README.md (0bbafdbe961b930e7d7c8c4b107d9e341a271d18)


Co-authored-by: Niels Rogge <[email protected]>

README.md

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 license: apache-2.0
+pipeline_tag: zero-shot-object-detection
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+# OmDet model 
+
+The OmDet model was proposed in [Real-time Transformer-based Open-Vocabulary Detection with Efficient Fusion Head](https://arxiv.org/abs/2403.06892) by Tiancheng Zhao, Peng Liu, Xuan He, Lu Zhang, Kyusong Lee. 
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+# Intended use cases
+
+This model is intended for zero-shot (also called open-vocabulary) object detection.
+
+# Usage
+
+Refer to the [original repository](https://github.com/om-ai-lab/OmDet).