Update README.md

README.md

@@ -10,7 +10,7 @@ size_categories:
 
 # 📸 Persons with Spectacles
 
-A curated image dataset of human faces annotated for the presence of spectacles (eyeglasses). Ideal for exploring face‑accessory detection, fairness in vision models, and related computer‑vision tasks.
+A curated image dataset of human faces annotated for the presence of spectacles (eyeglasses).
 
 ---
 
@@ -42,4 +42,27 @@ from PIL import Image
 import os
 
 # load full dataset
-ds = load_dataset("hkanade/persons_with_spectacles")
+ds = load_dataset("hkanade/persons_with_spectacles")
+
+## 3. Columns
+
+| Column                         | Datatype                                    | Description                                 |
+|--------------------------------|---------------------------------------------|---------------------------------------------|
+| `Image`                        | `struct<bytes: binary, path: string>`       | Loaded as `PIL.Image.Image`                 |
+| `image_url`                    | `string`                                    | URL of the Wikipedia page                   |
+| `embedding`                    | `fixed_size_list<element: double>[2048]`    | ResNet‑50 embedding                         |
+| `caption_attribution_description` | `string`                                | Caption text                                |
+| `clip_emb`                     | `fixed_size_list<element: float>[512]`      | CLIP embedding of the image                 |
+| `h`                            | `fixed_size_list<element: double>[32]`      | Hue‑channel histogram                       |
+| `s`                            | `fixed_size_list<element: double>[32]`      | Saturation‑channel histogram                |
+| `v`                            | `fixed_size_list<element: double>[32]`      | Value‑channel histogram                     |
+| `face_ok`                      | `bool`                                      | Placeholder flag indicating face validity   |
+| `sim`                          | `float`                                     | Cosine similarity with the query embedding  |
+
+## 4.Citation
+@misc{persons_with_spectacles_2025,
+  author       = {Manali Kanade (hkanade)},
+  title        = {Persons with Spectacles Dataset},
+  year         = {2025},
+  howpublished = {\url{https://huggingface.co/datasets/hkanade/persons_with_spectacles}}
+}