GazeSearch / README.md
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---
license: mit
task_categories:
- image-classification
- object-detection
tags:
- medical
- radiology
- chest-x-ray
- eye-tracking
- scanpath
- visual-search
- gaze
language:
- en
pretty_name: GazeSearch
size_categories:
- 1K<n<10K
extra_gated_heading: "Access to GazeSearch requires MIMIC-CXR credentials"
extra_gated_description: >
GazeSearch includes chest X-ray images derived from **MIMIC-CXR**, which is
distributed under the *PhysioNet Credentialed Health Data Use Agreement*.
To be granted access to this dataset you must already be credentialed for
MIMIC-CXR on PhysioNet and agree to use the data only for the purposes
permitted by that agreement.
Requests are reviewed manually. Please provide accurate information
false declarations will result in revoked access.
extra_gated_prompt: >
By requesting access I confirm that I will use GazeSearch only for
research that complies with the PhysioNet Credentialed Health Data Use
Agreement for MIMIC-CXR and will not redistribute the images.
extra_gated_fields:
Full name: text
Affiliation / institution: text
Country: country
Intended use (short description): text
PhysioNet username (MIMIC-CXR credentialed): text
I have an active PhysioNet credentialed-access account for MIMIC-CXR:
type: checkbox
I can provide proof of MIMIC-CXR data-use authorization on request:
type: checkbox
I agree not to redistribute any part of this dataset:
type: checkbox
I agree to the PhysioNet Credentialed Health Data Use Agreement:
type: checkbox
extra_gated_button_content: "Request access"
---
# GazeSearch: Radiology Findings Search Benchmark (WACV 2025)
> **Access is gated.** This dataset contains images derived from
> **MIMIC-CXR** and is only shared with users credentialed under the
> *PhysioNet Credentialed Health Data Use Agreement*. Click **Request
> access** at the top of the page and confirm you hold an active
> MIMIC-CXR credentialed-access account; requests without proof of
> authorization will be denied.
GazeSearch is a curated visual search dataset for evaluating search
algorithms on radiology findings. It is built from medical eye-tracking
data (REFLACX and EGD) paired with chest X-ray images from MIMIC-CXR, and
captures how radiologists visually search for specific findings.
Paper: *GazeSearch: Radiology Findings Search Benchmark* (WACV 2025).
Original repository: https://github.com/uark-aicv/GazeSearch
## Contents
```
gazesearch/
├── annotations/
│ └── finding_visual_search_coco_format_train_test_filtered_max_6_split_train_valid_test_2024-07-22.json
├── images/ # 3,577 chest X-ray JPGs (from MIMIC-CXR)
└── checkpoints/
├── ckp_29999.pt # ChestSearch model checkpoint (30k iterations)
├── M2F_R50.pkl # Mask2Former ResNet-50 backbone weights
└── M2F_R50_MSDeformAttnPixelDecoder.pkl # MSD pixel decoder weights
```
## Annotation format
The JSON file is a list of scanpath samples (4,875 entries over 2,328
unique images). Each entry has:
| Field | Description |
| ------------- | ------------------------------------------------------------------------- |
| `name` | Image filename in `images/` |
| `subject` | Radiologist / subject ID |
| `task` | Target finding being searched (e.g. `lung opacity`, `cardiomegaly`, ...) |
| `condition` | Presence of the finding (`present`) |
| `bbox` | Ground-truth bounding box `[x, y, w, h]` of the finding |
| `X`, `Y` | Fixation coordinates (in the 224×224 patch space) |
| `T` | Fixation durations (seconds) |
| `length` | Number of fixations (max 6; add a center fixation to get length-7 paper setup) |
| `fixOnTarget` | Whether the scanpath ends on the target region |
| `correct` | Whether the radiologist's decision was correct |
| `split` | One of `train` (3,870) / `valid` (517) / `test` (488) |
### Tasks / findings
`lung opacity`, `support devices`, `cardiomegaly`, `pleural effusion`,
`atelectasis`, `edema`, `consolidation`, `enlarged cardiomediastinum`,
`lung lesion`, `fracture`, `pneumonia`, `pneumothorax`, `pleural other`.
## Checkpoints
`checkpoints/ckp_29999.pt` is the trained ChestSearch scanpath-prediction
baseline from the paper. `M2F_R50.pkl` and
`M2F_R50_MSDeformAttnPixelDecoder.pkl` are the Mask2Former ResNet-50
backbone / pixel-decoder weights used to initialize training.
See the original repo for training/inference code and the
`src/demo_medical.ipynb` demo notebook.
## Citation
```bibtex
@article{GazeSearch2023,
title={GazeSearch: Radiology Findings Search Benchmark},
author={Trong Thang Pham and Tien-Phat Nguyen and Yuki Ikebe and Akash Awasthi and Zhigang Deng and Carol C. Wu and Hien Nguyen and Ngan Le},
journal={IEEE Winter Conference on Applications of Computer Vision (WACV)},
year={2025}
}
```
## License
MIT License — Copyright (c) 2024 AICV@University of Arkansas.
Note that the underlying MIMIC-CXR images are subject to the PhysioNet
Credentialed Health Data License; only users credentialed for MIMIC-CXR
should use this dataset.