2D-TAN

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In this paper, we study the problem of moment localization with natural language, and propose a novel 2D Temporal Adjacent Networks(2D-TAN) method. The core idea is to retrieve a moment on a two-dimensional temporal map, which considers adjacent moment candidates as the temporal context. 2D-TAN is capable of encoding adjacent temporal relation, while learning discriminative feature for matching video moments with referring expressions. Our model is simple in design and achieves competitive performance in comparison with the state-of-the-art methods on three benchmark datasets.

Arxiv Preprint

News

We extend our 2D-TAN approach to the temporal action localization task and win the 1st place in HACS Temporal Action Localization Challenge at ICCV 2019. For more details please refer to our technical report.

Framework

Main Results

Main results on Charades-STA

Method	Rank1@0.5	Rank1@0.7	Rank5@0.5	Rank5@0.7
Pool	39.70	23.31	80.32	51.26
Conv	39.81	23.25	79.33	52.15

Main results on ActivityNet Captions

Method	Rank1@0.3	Rank1@0.5	Rank1@0.7	Rank5@0.3	Rank5@0.5	Rank5@0.7
Pool	59.45	44.51	26.54	85.53	77.13	61.96
Conv	58.75	44.05	27.38	85.65	76.65	62.26

Main results on TACoS

Method	Rank1@0.1	Rank1@0.3	Rank1@0.5	Rank5@0.1	Rank5@0.3	Rank5@0.5
Pool	47.59	37.29	25.32	70.31	57.81	45.04
Conv	46.39	35.17	25.17	74.46	56.99	44.24

Prerequisites

pytorch 1.1.0
python 3.7
torchtext
easydict
terminaltables

Quick Start

Please download the visual features from onedrive and save it to the data/ folder.

Training

Use the following commands for training:

# Evaluate "Pool" in Table 1
python moment_localization/train.py --cfg experiments/charades/2D-TAN-16x16-K5L8-pool.yaml --verbose
# Evaluate "Conv" in Table 1
python moment_localization/train.py --cfg experiments/charades/2D-TAN-16x16-K5L8-conv.yaml --verbose

# Evaluate "Pool" in Table 2
python moment_localization/train.py --cfg experiments/activitynet/2D-TAN-64x64-K9L4-pool.yaml --verbose
# Evaluate "Conv" in Table 2
python moment_localization/train.py --cfg experiments/activitynet/2D-TAN-64x64-K9L4-conv.yaml --verbose

# Evaluate "Pool" in Table 3
python moment_localization/train.py --cfg experiments/tacos/2D-TAN-128x128-K5L8-pool.yaml --verbose
# Evaluate "Conv" in Table 3
python moment_localization/train.py --cfg experiments/tacos/2D-TAN-128x128-K5L8-conv.yaml --verbose

Testing

Our trained model are provided in onedrive. Please download them to the checkpoints folder. Then, run the following commands for evaluation:

# Evaluate "Pool" in Table 1
python moment_localization/test.py --cfg experiments/charades/2D-TAN-16x16-K5L8-pool.yaml --verbose --split test
# Evaluate "Conv" in Table 1
python moment_localization/test.py --cfg experiments/charades/2D-TAN-16x16-K5L8-conv.yaml --verbose --split test

# Evaluate "Pool" in Table 2
python moment_localization/test.py --cfg experiments/activitynet/2D-TAN-64x64-K9L4-pool.yaml --verbose --split test
# Evaluate "Conv" in Table 2
python moment_localization/test.py --cfg experiments/activitynet/2D-TAN-64x64-K9L4-conv.yaml --verbose --split test

# Evaluate "Pool" in Table 3
python moment_localization/test.py --cfg experiments/tacos/2D-TAN-128x128-K5L8-pool.yaml --verbose --split test
# Evaluate "Conv" in Table 3
python moment_localization/test.py --cfg experiments/tacos/2D-TAN-128x128-K5L8-conv.yaml --verbose --split test

Citation

If any part of our paper and code is helpful to your work, please generously cite with:

@InProceedings{2DTAN_2020_AAAI,
author = {Zhang, Songyang and Peng, Houwen and Fu, Jianlong and Luo, Jiebo},
title = {Learning 2D Temporal Adjacent Networks forMoment Localization with Natural Language},
booktitle = {The IEEE Conference on Computer Vision and Pattern Recognition (AAAI)},
year = {2020}
}

researchmm/2D-TAN