Fast and unsupervised action boundary detection for action segmentation

Z Du, X Wang, G Zhou, Q Wang - Proceedings of the IEEE …, 2022 - openaccess.thecvf.com
To deal with the great number of untrimmed videos produced every day, we propose an
efficient unsupervised action segmentation method by detecting boundaries, named action …

Bottom-up skill discovery from unsegmented demonstrations for long-horizon robot manipulation

Y Zhu, P Stone, Y Zhu - IEEE Robotics and Automation Letters, 2022 - ieeexplore.ieee.org
We tackle real-world long-horizon robot manipulation tasks through skill discovery. We
present a bottom-up approach to learning a library of reusable skills from unsegmented …

Weakly-supervised online action segmentation in multi-view instructional videos

R Ghoddoosian, I Dwivedi, N Agarwal… - Proceedings of the …, 2022 - openaccess.thecvf.com
This paper addresses a new problem of weakly-supervised online action segmentation in
instructional videos. We present a framework to segment streaming videos online at test time …

[HTML][HTML] 3dfcnn: Real-time action recognition using 3d deep neural networks with raw depth information

A Sanchez-Caballero, S de López-Diz… - Multimedia Tools and …, 2022 - Springer
This work describes an end-to-end approach for real-time human action recognition from
raw depth image-sequences. The proposal is based on a 3D fully convolutional neural …

Sscap: Self-supervised co-occurrence action parsing for unsupervised temporal action segmentation

Z Wang, H Chen, X Li, C Liu, Y Xiong… - Proceedings of the …, 2022 - openaccess.thecvf.com
Temporal action segmentation is a task to classify each frame in the video with an action
label. However, it is quite expensive to annotate every frame in a large corpus of videos to …

Iterative contrast-classify for semi-supervised temporal action segmentation

D Singhania, R Rahaman, A Yao - … of the AAAI Conference on Artificial …, 2022 - ojs.aaai.org
Temporal action segmentation classifies the action of each frame in (long) video sequences.
Due to the high cost of frame-wise labeling, we propose the first semi-supervised method for …

Unweavenet: Unweaving activity stories

W Price, C Vondrick, D Damen - Proceedings of the IEEE …, 2022 - openaccess.thecvf.com
Our lives can be seen as a complex weaving of activities; we switch from one activity to
another, to maximise our achievements or in reaction to demands placed upon us …

Leveraging action affinity and continuity for semi-supervised temporal action segmentation

G Ding, A Yao - European Conference on Computer Vision, 2022 - Springer
We present a semi-supervised learning approach to the temporal action segmentation task.
The goal of the task is to temporally detect and segment actions in long, untrimmed …

Valve stiction detection using multitimescale feature consistent constraint for time-series data

K Zhang, Y Liu, Y Gu, J Wang… - IEEE/ASME Transactions …, 2022 - ieeexplore.ieee.org
Using neural networks to build a reliable fault detection model is an attractive topic in
industrial processes but remains challenging due to the lack of labeled data. We propose a …

[HTML][HTML] An information-rich sampling technique over spatio-temporal CNN for classification of human actions in videos

SHS Basha, V Pulabaigari, S Mukherjee - Multimedia Tools and …, 2022 - Springer
We propose a novel video sampling scheme for human action recognition in videos, using
Gaussian Weighing Function. Traditionally in deep learning-based human activity …