metadata

license: cc-by-4.0
task_categories:
  - object-detection
language:
  - en
tags:
  - Drone
  - Referring Expression Comprehension
  - Visual Grounding
size_categories:
  - 10K<n<100K

RefDrone: A Challenging Benchmark for Referring Expression Comprehension in Drone Scenes

Images
Please download the images from VisDrone.

Annotations
Annotations is located in here. Annotation is MDETR style with keys: "images", "annotaions".

Images

Contains information about each image in the dataset:

Key	Description	Example
`file_name`	Name of the image file	"0000189_00297_d_0000198.jpg"
`height`	Height of the image in pixels	540
`width`	Width of the image in pixels	960
`id`	Unique identifier for the image	0
`caption`	Text description of the image	"The black cars on the road"
`dataset_name`	Name of the dataset	"RefDrone"
`token_negative`	List of tokens not associated with target objects	[[0, 3], [4, 9]]

Annotations

Contains information about the annotations for each image:

Key	Description	Example
`area`	Area of the annotated region	1584
`iscrowd`	if the annotation represents a crowd	0
`image_id`	ID of the image this annotation belongs to	0
`category_id`	Category identifier for the annotated object	"5"
`id`	Unique identifier for the annotation	0
`empty`	if the annotation is empty	0
`bbox`	Bounding box coordinates [x, y, width, height]	[100, 200, 10, 20]
`tokens_positive`	List of tokens associated with the target object	[[2,4]]