Search Results for author: Pha Nguyen

Found 13 papers, 2 papers with code

HIG: Hierarchical Interlacement Graph Approach to Scene Graph Generation in Video Understanding

no code implementations5 Dec 2023 Trong-Thuan Nguyen, Pha Nguyen, Khoa Luu

In this paper, we delve into interactivities understanding within visual content by deriving scene graph representations from dense interactivities among humans and objects.

Graph Generation Position +3

HAtt-Flow: Hierarchical Attention-Flow Mechanism for Group Activity Scene Graph Generation in Videos

no code implementations28 Nov 2023 Naga VS Raviteja Chappa, Pha Nguyen, Thi Hoang Ngan Le, Khoa Luu

Flow-Attention incorporates flow conservation principles, fostering competition for sources and allocation for sinks, effectively preventing the generation of trivial attention.

Graph Generation Scene Graph Generation +2

REACT: Recognize Every Action Everywhere All At Once

no code implementations27 Nov 2023 Naga VS Raviteja Chappa, Pha Nguyen, Page Daniel Dobbs, Khoa Luu

Group Activity Recognition (GAR) is a fundamental problem in computer vision, with diverse applications in sports video analysis, video surveillance, and social scene understanding.

Action Recognition Group Activity Recognition +2

UTOPIA: Unconstrained Tracking Objects without Preliminary Examination via Cross-Domain Adaptation

no code implementations16 Jun 2023 Pha Nguyen, Kha Gia Quach, John Gauch, Samee U. Khan, Bhiksha Raj, Khoa Luu

Then, a new cross-domain MOT adaptation from existing datasets is proposed without any pre-defined human knowledge in understanding and modeling objects.

Domain Adaptation Multiple Object Tracking +1

Type-to-Track: Retrieve Any Object via Prompt-based Tracking

no code implementations NeurIPS 2023 Pha Nguyen, Kha Gia Quach, Kris Kitani, Khoa Luu

This paper introduces a novel paradigm for Multiple Object Tracking called Type-to-Track, which allows users to track objects in videos by typing natural language descriptions.

Grounded Multiple Object Tracking Multiple Object Tracking +1

SoGAR: Self-supervised Spatiotemporal Attention-based Social Group Activity Recognition

no code implementations27 Apr 2023 Naga VS Raviteja Chappa, Pha Nguyen, Alexander H Nelson, Han-Seok Seo, Xin Li, Page Daniel Dobbs, Khoa Luu

This paper introduces a novel approach to Social Group Activity Recognition (SoGAR) using Self-supervised Transformers network that can effectively utilize unlabeled video data.

Group Activity Recognition

SPARTAN: Self-supervised Spatiotemporal Transformers Approach to Group Activity Recognition

1 code implementation6 Mar 2023 Naga VS Raviteja Chappa, Pha Nguyen, Alexander H Nelson, Han-Seok Seo, Xin Li, Page Daniel Dobbs, Khoa Luu

In this paper, we propose a new, simple, and effective Self-supervised Spatio-temporal Transformers (SPARTAN) approach to Group Activity Recognition (GAR) using unlabeled video data.

Group Activity Recognition

Multi-Camera Multi-Object Tracking on the Move via Single-Stage Global Association Approach

no code implementations17 Nov 2022 Pha Nguyen, Kha Gia Quach, Chi Nhan Duong, Son Lam Phung, Ngan Le, Khoa Luu

The development of autonomous vehicles generates a tremendous demand for a low-cost solution with a complete set of camera sensors capturing the environment around the car.

3D Object Detection Autonomous Vehicles +3

Depth Perspective-aware Multiple Object Tracking

no code implementations10 Jul 2022 Kha Gia Quach, Huu Le, Pha Nguyen, Chi Nhan Duong, Tien Dai Bui, Khoa Luu

This paper aims to tackle Multiple Object Tracking (MOT), an important problem in computer vision but remains challenging due to many practical issues, especially occlusions.

Depth Estimation Multiple Object Tracking +1

Self-supervised Domain Adaptation in Crowd Counting

no code implementations7 Jun 2022 Pha Nguyen, Thanh-Dat Truong, Miaoqing Huang, Yi Liang, Ngan Le, Khoa Luu

Self-training crowd counting has not been attentively explored though it is one of the important challenges in computer vision.

Crowd Counting Domain Adaptation

Multi-Camera Multiple 3D Object Tracking on the Move for Autonomous Vehicles

no code implementations19 Apr 2022 Pha Nguyen, Kha Gia Quach, Chi Nhan Duong, Ngan Le, Xuan-Bac Nguyen, Khoa Luu

The experimental results on the nuScenes dataset demonstrate the benefits of the proposed method to produce SOTA performance on the existing vision-based tracking dataset.

3D Object Detection 3D Object Tracking +5

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