Search Results for author: Kim-Hui Yap

Found 24 papers, 9 papers with code

Learning-Based Biharmonic Augmentation for Point Cloud Classification

no code implementations10 Nov 2023 Jiacheng Wei, Guosheng Lin, Henghui Ding, Jie Hu, Kim-Hui Yap

Point cloud datasets often suffer from inadequate sample sizes in comparison to image datasets, making data augmentation challenging.

Classification Data Augmentation +1

Bitstream-Corrupted Video Recovery: A Novel Benchmark Dataset and Method

1 code implementation NeurIPS 2023 Tianyi Liu, Kejun Wu, Yi Wang, Wenyang Liu, Kim-Hui Yap, Lap-Pui Chau

The past decade has witnessed great strides in video recovery by specialist technologies, like video inpainting, completion, and error concealment.

Video Inpainting

OccluTrack: Rethinking Awareness of Occlusion for Enhancing Multiple Pedestrian Tracking

no code implementations19 Sep 2023 Jianjun Gao, Yi Wang, Kim-Hui Yap, Kratika Garg, Boon Siew Han

Particularly, the improvements on IDF1, IDSw, AssA, and AssR demonstrate the effectiveness of our OccluTrack on tracking and association performance.

Motion Estimation

Top-Down Framework for Weakly-supervised Grounded Image Captioning

no code implementations13 Jun 2023 Chen Cai, Suchen Wang, Kim-Hui Yap, Yi Wang

Weakly-supervised grounded image captioning (WSGIC) aims to generate the caption and ground (localize) predicted object words in the input image without using bounding box supervision.

Image Captioning Multi-Label Classification +2

SSN: Stockwell Scattering Network for SAR Image Change Detection

no code implementations22 Apr 2023 Gong Chen, Yanan Zhao, Yi Wang, Kim-Hui Yap

Recently, synthetic aperture radar (SAR) image change detection has become an interesting yet challenging direction due to the presence of speckle noise.

Change Detection Computational Efficiency

A Byte Sequence is Worth an Image: CNN for File Fragment Classification Using Bit Shift and n-Gram Embeddings

1 code implementation14 Apr 2023 Wenyang Liu, Yi Wang, Kejun Wu, Kim-Hui Yap, Lap-Pui Chau

File fragment classification (FFC) on small chunks of memory is essential in memory forensics and Internet security.

Data Augmentation

TAPS3D: Text-Guided 3D Textured Shape Generation from Pseudo Supervision

1 code implementation CVPR 2023 Jiacheng Wei, Hao Wang, Jiashi Feng, Guosheng Lin, Kim-Hui Yap

We conduct extensive experiments to analyze each of our proposed components and show the efficacy of our framework in generating high-fidelity 3D textured and text-relevant shapes.

Learning Transferable Human-Object Interaction Detector With Natural Language Supervision

1 code implementation CVPR 2022 Suchen Wang, Yueqi Duan, Henghui Ding, Yap-Peng Tan, Kim-Hui Yap, Junsong Yuan

More specifically, we propose a new HOI visual encoder to detect the interacting humans and objects, and map them to a joint feature space to perform interaction recognition.

Human-Object Interaction Detection

Dense Supervision Propagation for Weakly Supervised Semantic Segmentation on 3D Point Clouds

no code implementations23 Jul 2021 Jiacheng Wei, Guosheng Lin, Kim-Hui Yap, Fayao Liu, Tzu-Yi Hung

While dense labeling on 3D data is expensive and time-consuming, only a few works address weakly supervised semantic point cloud segmentation methods to relieve the labeling cost by learning from simpler and cheaper labels.

Point Cloud Segmentation Scene Understanding +3

Reconciliation of Statistical and Spatial Sparsity For Robust Image and Image-Set Classification

1 code implementation1 Jun 2021 Hao Cheng, Kim-Hui Yap, Bihan Wen

Recent image classification algorithms, by learning deep features from large-scale datasets, have achieved significantly better results comparing to the classic feature-based approaches.

Classification Image Classification

Empirical Analysis of Overfitting and Mode Drop in GAN Training

no code implementations25 Jun 2020 Yasin Yazici, Chuan-Sheng Foo, Stefan Winkler, Kim-Hui Yap, Vijay Chandrasekhar

We examine two key questions in GAN training, namely overfitting and mode drop, from an empirical perspective.

Multi-Path Region Mining For Weakly Supervised 3D Semantic Segmentation on Point Clouds

1 code implementation CVPR 2020 Jiacheng Wei, Guosheng Lin, Kim-Hui Yap, Tzu-Yi Hung, Lihua Xie

To the best of our knowledge, this is the first method that uses cloud-level weak labels on raw 3D space to train a point cloud semantic segmentation network.

3D Semantic Segmentation Point Cloud Segmentation +2

AANet: Attribute Attention Network for Person Re-Identifications

no code implementations CVPR 2019 Chiat-Pin Tay, Sharmili Roy, Kim-Hui Yap

This paper proposes Attribute Attention Network (AANet), a new architecture that integrates person attributes and attribute attention maps into a classification framework to solve the person re-identification (re-ID) problem.

Attribute Person Re-Identification +1

Semantic Granularity Metric Learning for Visual Search

no code implementations14 Nov 2019 Dipu Manandhar, Muhammet Bastan, Kim-Hui Yap

In view of this, we propose a new deep semantic granularity metric learning (SGML) that develops a novel idea of leveraging attribute semantic space to capture different granularity of similarity, and then integrate this information into deep metric learning.

Attribute Metric Learning +1

Venn GAN: Discovering Commonalities and Particularities of Multiple Distributions

1 code implementation9 Feb 2019 Yasin Yazici, Bruno Lecouat, Chuan-Sheng Foo, Stefan Winkler, Kim-Hui Yap, Georgios Piliouras, Vijay Chandrasekhar

We propose a GAN design which models multiple distributions effectively and discovers their commonalities and particularities.

DCI: Discriminative and Contrast Invertible Descriptor

no code implementations31 Dec 2018 Zhenwei Miao, Kim-Hui Yap, Xudong Jiang, Subbhuraam Sinduja, Zhenhua Wang

In this paper, we proposed a Discriminative and Contrast Invertible (DCI) local feature descriptor.

Object Object Recognition +1

Interest Point Detection based on Adaptive Ternary Coding

no code implementations31 Dec 2018 Zhenwei Miao, Kim-Hui Yap, Xudong Jiang

In this paper, an adaptive pixel ternary coding mechanism is proposed and a contrast invariant and noise resistant interest point detector is developed on the basis of this mechanism.

Face Recognition Interest Point Detection +1

Remote Detection of Idling Cars Using Infrared Imaging and Deep Networks

no code implementations28 Apr 2018 Muhammet Bastan, Kim-Hui Yap, Lap-Pui Chau

First, we detect the cars in each IR image using a convolutional neural network, which is pre-trained on regular RGB images and fine-tuned on IR images for higher accuracy.

Event Detection

Autoregressive Generative Adversarial Networks

no code implementations ICLR 2018 Yasin Yazici, Kim-Hui Yap, Stefan Winkler

Generative Adversarial Networks (GANs) learn a generative model by playing an adversarial game between a generator and an auxiliary discriminator, which classifies data samples vs. generated ones.

Binary Classification General Classification +1

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