Create README.md

README.md

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+---
+license: apache-2.0
+base_model:
+- google/owlv2-large-patch14
+pipeline_tag: object-detection
+---
+# **NoctOWL: Fine-Grained Open-Vocabulary Object Detector**  
+
+
+## **Model Description**  
+
+**NoctOWL** (***N***ot **o**nly **c**oarse-**t**ext **OWL**) is an adaptation of **OWL-ViT** (*NoctOWL*) and **OWLv2** (*NoctOWLv2*), designed for **Fine-Grained Open-Vocabulary Detection (FG-OVD)**. Unlike standard open-vocabulary object detectors, which focus primarily on class-level recognition, NoctOWL enhances the ability to detect and distinguish fine-grained object attributes such as color, material, transparency, and pattern. 
+
+It maintains a balanced **trade-off between fine- and coarse-grained detection**, making it particularly effective in scenarios requiring detailed object descriptions.  
+
+You can find the original code to train and evaluate the model [here](https://github.com/lorebianchi98/FG-OVD/tree/main/benchmarks).
+
+### **Model Variants**  
+- **NoctOWL Base** (`lorebianchi98/NoctOWL-base-patch16`)  
+- **NoctOWLv2 Base** (`lorebianchi98/NoctOWLv2-base-patch16`)  
+- **NoctOWL Large** (`lorebianchi98/NoctOWL-large-patch14`)  
+- **NoctOWLv2 Large** (`lorebianchi98/NoctOWLv2-large-patch14`)  
+
+## **Usage**  
+
+### **Loading the Model**  
+```python
+from transformers import OwlViTForObjectDetection, Owlv2ForObjectDetection, OwlViTProcessor, Owlv2Processor
+
+# Load NoctOWL model
+model = OwlViTForObjectDetection.from_pretrained("lorebianchi98/NoctOWL-base-patch16")
+processor = OwlViTProcessor.from_pretrained("google/owlvit-base-patch16")
+
+# Load NoctOWLv2 model
+model_v2 = Owlv2ForObjectDetection.from_pretrained("lorebianchi98/NoctOWLv2-base-patch16")
+processor_v2 = Owlv2Processor.from_pretrained("google/owlv2-base-patch16")
+```  
+
+### **Inference Example**  
+```python
+from PIL import Image
+import torch
+
+# Load image
+image = Image.open("example.jpg")
+
+# Define text prompts (fine-grained descriptions)
+text_queries = ["a red patterned dress", "a dark brown wooden chair"]
+
+# Process inputs
+inputs = processor(images=image, text=text_queries, return_tensors="pt")
+
+# Run inference
+outputs = model(**inputs)
+
+# Extract detected objects
+logits = outputs.logits
+boxes = outputs.pred_boxes
+
+# Post-processing can be applied to visualize results
+```
+
+## Results
+We report the mean Average Precision (**mAP**) on the Fine-Grained Open-Vocabulary Detection ([FG-OVD](https://lorebianchi98.github.io/FG-OVD/)) benchmarks across different difficulty levels, as well as performance on rare classes from the LVIS dataset.
+| Model | LVIS (Rare) | Trivial | Easy | Medium | Hard | Color | Material | Pattern | Transparency |  
+|-------|------------|----------------|---------------|---------------|---------------|-------|----------|---------|--------------|  
+| OWL (B/16) | 20.6 | 53.9 | 38.4 | 39.8 | 26.2 | 45.3 | 37.3 | 26.6 | 34.1 |  
+| OWL (L/14) | 31.2 | 65.1 | 44.0 | 39.3 | 26.5 | 43.8 | 44.9 | 36.0 | 29.2 |  
+| OWLv2 (B/16) | 29.6 | 52.9 | 40.0 | 38.5 | 25.3 | 45.1 | 33.5 | 19.2 | 28.5 |  
+| OWLv2 (L/14) | **34.9** | 63.2 | 42.8 | 41.2 | 25.4 | 53.3 | 36.9 | 23.3 | 12.2 |  
+| **NoctOWL (B/16)** | 11.6 | 46.6 | 44.4 | 45.6 | 40.0 | 44.7 | 46.0 | 46.1 | 53.6 |  
+| **NoctOWL (L/14)** | 26.0 | 57.4 | 54.2 | 54.8 | 48.6 | 53.1 | 56.9 | **49.8** | **57.2** |  
+| **NoctOWLv2 (B/16)** | 17.5 | 48.3 | 49.1 | 47.1 | 42.1 | 46.8 | 48.2 | 42.2 | 50.2 |  
+| **NoctOWLv2 (L/14)** | 27.2 | **57.5** | **55.5** | **57.2** | **50.2** | **55.6** | **57.0** | 49.2 | 55.9 |