add_grounding_example (#2)

- add grounding example (f82f629ff636e04cf71bd9f0d7e7935ab7f1769f)
- add grounding example (de196341bbb39827166ba5de1e6e4317546222e5)


Co-authored-by: Haiping Wu <haipingwu@users.noreply.huggingface.co>

README.md

@@ -85,7 +85,10 @@ processor = AutoProcessor.from_pretrained("microsoft/Florence-2-base-ft", trust_
 url = "https://huggingface.co/datasets/huggingface/documentation-images/resolve/main/transformers/tasks/car.jpg?download=true"
 image = Image.open(requests.get(url, stream=True).raw)
 
-def run_example(prompt):
+def run_example(prompt, text_input=None):
+
+    if text_input is not None:
+        prompt = prompt + text_input
 
     inputs = processor(text=prompt, images=image, return_tensors="pt")
     generated_ids = model.generate(
@@ -169,6 +172,16 @@ prompt = <REGION_PROPOSAL>
 run_example(prompt)
 ```
 
+### Caption to Phrase Grounding 
+caption to phrase grounding task requires additional text input, i.e. caption. 
+
+Caption to phrase grounding results format: 
+{'\<CAPTION_TO_PHRASE_GROUNDING>': {'bboxes': [[x1, y1, x2, y2], ...], 'labels': ['', '', ...]}}
+```python
+task_prompt = '<CAPTION_TO_PHRASE_GROUNDING>'
+results = run_example(task_prompt, text_input="A green car parked in front of a yellow building.")
+```
+
 for More detailed examples, please refer to [notebook](https://huggingface.co/microsoft/Florence-2-large/blob/main/sample_inference.ipynb)
 </details>