Methods › Computer Vision › Convolutional Neural Networks › R(2+1)D

R(2+1)D

14 papers tagged archive 2025-07-28

Introduced by Du Tran et al. in A Closer Look at Spatiotemporal Convolutions for Action Recognition

archive 2025-07-28 Description, source and code snippet are the archive's method entry.

A R(2+1)D convolutional neural network is a network for action recognition that employs R(2+1)D convolutions in a ResNet inspired architecture. The use of these convolutions over regular 3D Convolutions reduces computational complexity, prevents overfitting, and introduces more non-linearities that allow for a better functional relationship to be modeled.

PaperSourceSee Code · pytorch/vision

Papers archive 2025-07-28

14 shown of 14, newest first. Repository counts are the archive's code-links table. A Syntology line states what Syntology ran from that paper's harvested code; it is per sample and not a correctness claim.

Tasks archive 2025-07-28

20 shown of 23 tasks the archive attaches to papers tagged with this method, by distinct papers. A task without a page in the catalog is plain text.

TaskPapers
Action Recognition8
Contrastive Learning5
Representation Learning5
Retrieval4
Video Retrieval4
Temporal Action Localization3
Action Classification2
Data Augmentation2
Optical Flow Estimation2
Self-Supervised Action Recognition2
Self-Supervised Learning2
Video Recognition2
Action Recognition In Videos1
Code Generation1
Emotion Recognition1
Facial Expression Recognition1
Facial Expression Recognition (FER)1
Meta-Learning1
Model Compression1
Pornography Detection1

Usage over time archive 2025-07-28

Papers per year tagged with R(2+1)D: 2017 to 2024, peak 4 4 0 2017: 1 paper 2017 2018: 2 papers 2018 2019: 0 papers 2019 2020: 3 papers 2020 2021: 4 papers 2021 2022: 2 papers 2022 2023: 0 papers 2023 2024: 2 papers 2024
Papers per year the archive tags with this method, by the paper's archive date (14 dated). Bars are counts, not a trend claim.

Components: the archive holds no method-to-method composition, so PwC's Components table cannot be rebuilt; the Papers list carries no Results column for the same reason (the archive does not join its leaderboard rows to method tags).

Categories archive 2025-07-28

Convolutional Neural Networks

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