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Example frames from the Fish Counting dataset indicating various challenges.

The Caltech Fish Counting Dataset

Updates

  • 2024-07-16: Version 1.1 released! This version includes exactly the same data as the original release, but focuses on improving the ease of access and dataset setup. These updates include:
    • Individual downloads for each training, validation, and testing location (vs. one large download in v1.0)
    • Pre-processed images to reproduce our Baseline++ results (vs. required conversion step in v1.0)
    • COCO and YOLO-formatted labels for training object detectors without data wrangling (vs. MOTChallenge-only labels in v1.0)

Overview

Official resources for The Caltech Fish Counting Dataset: A Benchmark for Multiple-Object Tracking and Counting (ECCV 2022).

Data Download

Data can be downloaded from CaltechDATA using the following links.

Images

Image Format Data Subset
Raw (1-channel grayscale, Baseline format) Kenai (train/validation) | Rightbank (test) | Channel (test) | Elwha (test) | Nushagak (test)
3-channel, Baseline++ format Kenai (train/validation) | Rightbank (test) | Channel (test) | Elwha (test) | Nushagak (test)

Labels

Label Format Downloads
YOLO Labels (.txt) | File lists | YAML (all are required)
COCO Labels (.json)
MOTChallenge Labels (.txt)
MOTChallenge format details

For MOTChallenge annotations, we use the default directory structure as described here. After extracting the tar.gz, the directory structure is as follows:

annotations/
    kenai-train/
        One directory per video sequence in the training set.
                gt.txt
    kenai-val/
        One directory per video sequence in the validation set.
                gt.txt
    kenai-rightbank/
        ...
    kenai-channel/
        ...
    nushagak/
        ...
    elwha/
        ...

Following the MOTChallenge format, each gt.txt file contains one entry per track per frame. Each line contains 10 values:

<frame_number>, <track_id>, <bb_left>, <bb_top>, <bb_width>, <bb_height>, <conf>, <x>, <y>, <z>

The world coordinates x,y,z are ignored for 2D data and are filled with -1. For ground truth tracks, conf=-1 as well. All frame numbers, target IDs and bounding boxes are 1-indexed (i.e. the minimum bb_left and bb_top values are 1, not 0). Here is an example:

1, 3, 794.27, 247.59, 71.245, 174.88, -1, -1, -1, -1
1, 6, 1648.1, 119.61, 66.504, 163.24, -1, -1, -1, -1
1, 8, 875.49, 399.98, 95.303, 233.93, -1, -1, -1, -1
Additional metadata

We also provide clip-level metadata for each video clip in the dataset:

Additional Metadata [54 KB]

One JSON file is provided for each location: kenai-train.json, kenai-val.json, kenai-rightbank.json, kenai-channel.json, nushagak.json, and elwha.json. Each JSON file contains a list of dictionaries, one per video clip. Each entry contains the following metadata:

{   // Information for a single clip
    "clip_name" :              // Unique ID for this clip; matches the name of the directory containing image frames
    "num_frames":              // Number of frames in the video clip
    "upstream_direction" :     // Either `left` or `right`
    "width":                   // Image width in pixels
    "height":                  // Image width in pixels
    "framerate":               // Video frame rate, in frames per second
    "x_meter_start":           // Meter distance from the sonar camera at x = 0
    "x_meter_stop":            // Meter distance from the sonar camera at x = width-1
    "y_meter_start":           // Meter distance from the sonar camera at y = 0
    "y_meter_stop":            // Meter distance from the sonar camera at y = height-1
}

Object Detection

Training YOLOv5 on CFC

To reproduce our object detection results, first clone and install YOLOv5.

Download the dataset and arrange it in the following directory structure:

yolov5/
    data/
        cfc_v1.1/
            images/ # un-tar'd images, either {location}.tar (Baseline) or {location}-3channel.tar (Baseline++).
                kenai/
                channel/
                ...
            labels/ # un-tar'd yolo_annotations_v1.1.zip
                kenai/
                channel/
                ... 
            file_lists/
                ...
            cfc_v1.1.yaml

Then replicate our training settings with:

python train.py --img 896 --epochs 150 --data data/cfc_v1.1/cfc_v1.1.yaml --weights yolov5m.pt

Leaderboard

All metrics shown are AP@IoU=0.5 ("AP50").

Method Kenai Validation Rightbank Test Channel Test Elwha Test Nushagak Test Test Overall (Macro-Average)
CFC Baseline 66.4 57.7 32.0 39.9 70.6 50.1
CFC Baseline++ 68.0 87.1 65.1 85.5 74.7 78.1

Please submit a PR to add yourself to the leaderboard!

Multi-Object Tracking and Counting

More documentation, tracker code, and leaderboard coming soon.

MOT Evaluation

Clone the repo with submodules to enable MOT evaluation:

git clone --recursive https://github.com/visipedia/caltech-fish-counting.git
// or 
git clone --recursive [email protected]:visipedia/caltech-fish-counting.git

If you already cloned, submodules can be retroactively intialized with:

git submodule init
git submodule update

We provide evaluation code using the TrackEval codebase. In addition to the CLEAR, ID, and HOTA tracking metrics, we extend the TrackEval codebase with a custom metric nMAE as described in the paper:

,

where is the number of video clips, is the absolute counting error for each clip:

,

and is the ground truth count for clip :

Run the evaluation script from the command line to reproduce the results from the paper:

python evaluate.py --results_dir PATH/TO/results --anno_dir PATH/TO/annotations --metadata_dir PATH/TO/metadata --tracker baseline
python evaluate.py --results_dir PATH/TO/results --anno_dir PATH/TO/annotations --metadata_dir PATH/TO/metadata --tracker baseline++

Prediction Results

We provide output from our Baseline and Baseline++ methods in MOTChallenge format as well.

ECCV22 Baseline Results [18 MB]

  • Running md5sum on the tar.gz file should produce: ef8d517ad45419edce7af2e7dc5016be fish_counting_results.tar.gz

Note that the directory structure for predictions is different from the ground truth annotations. After extracting the tar.gz, the directory structure is as follows:

results/
    kenai-val/
        baseline/
            data/
                One text file per clip, named {clip_name}.txt
        baseline++/
            data/
                One text file per clip, named {clip_name}.txt
    kenai-rightbank/
        ...
    kenai-channel/
        ...
    nushagak/
        ...
    elwha/
        ...

Reference

Justin Kay, Peter Kulits, Suzanne Stathatos, Siqi Deng, Erik Young, Sara Beery, Grant Van Horn, and Pietro Perona

We present the Caltech Fish Counting Dataset (CFC), a large-scale dataset for detecting, tracking, and counting fish in sonar videos. We identify sonar videos as a rich source of data for advancing low signal-to-noise computer vision applications and tackling domain generalization for multiple-object tracking (MOT) and counting. In comparison to existing MOT and counting datasets, which are largely restricted to videos of people and vehicles in cities, CFC is sourced from a natural-world domain where targets are not easily resolvable and appearance features cannot be easily leveraged for target re-identification. With over half a million annotations in over 1,500 videos sourced from seven different sonar cameras, CFC allows researchers to train MOT and counting algorithms and evaluate generalization performance at unseen test locations. We perform extensive baseline experiments and identify key challenges and opportunities for advancing the state of the art in generalization in MOT and counting.

If you find our work useful in your research please consider citing our paper:

@inproceedings{cfc2022eccv,
    author    = {Kay, Justin and Kulits, Peter and Stathatos, Suzanne and Deng, Siqi and Young, Erik and Beery, Sara and Van Horn, Grant and Perona, Pietro},
    title     = {The Caltech Fish Counting Dataset: A Benchmark for Multiple-Object Tracking and Counting},
    booktitle = {European Conference on Computer Vision (ECCV)},
    year      = {2022}
}