Search Results for author: Chee Seng Chan

Found 41 papers, 20 papers with code

IPR-NeRF: Ownership Verification meets Neural Radiance Field

no code implementations17 Jan 2024 Win Kent Ong, Kam Woh Ng, Chee Seng Chan, Yi Zhe Song, Tao Xiang

Neural Radiance Field (NeRF) models have gained significant attention in the computer vision community in the recent past with state-of-the-art visual quality and produced impressive demonstrations.

InteractDiffusion: Interaction Control in Text-to-Image Diffusion Models

1 code implementation10 Dec 2023 Jiun Tian Hoe, Xudong Jiang, Chee Seng Chan, Yap-Peng Tan, Weipeng Hu

While recent advancements have introduced control over factors such as object localization, posture, and image contours, a crucial gap remains in our ability to control the interactions between objects in the generated content.

Human-Object Interaction Generation Object

Everyone Can Attack: Repurpose Lossy Compression as a Natural Backdoor Attack

no code implementations31 Aug 2023 Sze Jue Yang, Quang Nguyen, Chee Seng Chan, Khoa D. Doan

The vulnerabilities to backdoor attacks have recently threatened the trustworthiness of machine learning models in practical applications.

Backdoor Attack Image Compression

Unsupervised Hashing with Similarity Distribution Calibration

1 code implementation15 Feb 2023 Kam Woh Ng, Xiatian Zhu, Jiun Tian Hoe, Chee Seng Chan, Tianyu Zhang, Yi-Zhe Song, Tao Xiang

However, these methods often overlook the fact that the similarity between data points in the continuous feature space may not be preserved in the discrete hash code space, due to the limited similarity range of hash codes.

Deep Hashing Image Retrieval

An Embarrassingly Simple Approach for Intellectual Property Rights Protection on Recurrent Neural Networks

1 code implementation3 Oct 2022 Zhi Qin Tan, Hao Shan Wong, Chee Seng Chan

Capitalise on deep learning models, offering Natural Language Processing (NLP) solutions as a part of the Machine Learning as a Service (MLaaS) has generated handsome revenues.

Extremely Low-light Image Enhancement with Scene Text Restoration

1 code implementation1 Apr 2022 PoHao Hsu, Che-Tsung Lin, Chun Chet Ng, Jie-Long Kew, Mei Yih Tan, Shang-Hong Lai, Chee Seng Chan, Christopher Zach

Deep learning-based methods have made impressive progress in enhancing extremely low-light images - the image quality of the reconstructed images has generally improved.

Image Restoration Low-Light Image Enhancement +2

ACORT: A Compact Object Relation Transformer for Parameter Efficient Image Captioning

1 code implementation11 Feb 2022 Jia Huei Tan, Ying Hua Tan, Chee Seng Chan, Joon Huang Chuah

Recent research that applies Transformer-based architectures to image captioning has resulted in state-of-the-art image captioning performance, capitalising on the success of Transformers on natural language tasks.

Image Captioning Relation

End-to-End Supermask Pruning: Learning to Prune Image Captioning Models

1 code implementation7 Oct 2021 Jia Huei Tan, Chee Seng Chan, Joon Huang Chuah

With the advancement of deep models, research work on image captioning has led to a remarkable gain in raw performance over the last decade, along with increasing model complexity and computational cost.

Image Captioning

ICDAR 2021 Competition on Integrated Circuit Text Spotting and Aesthetic Assessment

1 code implementation12 Jul 2021 Chun Chet Ng, Akmalul Khairi Bin Nazaruddin, Yeong Khang Lee, Xinyu Wang, Yuliang Liu, Chee Seng Chan, Lianwen Jin, Yipeng Sun, Lixin Fan

With hundreds of thousands of electronic chip components are being manufactured every day, chip manufacturers have seen an increasing demand in seeking a more efficient and effective way of inspecting the quality of printed texts on chip components.

Text Spotting

Protecting Intellectual Property of Generative Adversarial Networks From Ambiguity Attacks

no code implementations CVPR 2021 Ding Sheng Ong, Chee Seng Chan, Kam Woh Ng, Lixin Fan, Qiang Yang

Ever since Machine Learning as a Service emerges as a viable business that utilizes deep learning models to generate lucrative revenue, Intellectual Property Right (IPR) has become a major concern because these deep learning models can easily be replicated, shared, and re-distributed by any unauthorized third parties.

Image Generation Image Super-Resolution +1

Ternary Hashing

no code implementations16 Mar 2021 Chang Liu, Lixin Fan, Kam Woh Ng, Yilun Jin, Ce Ju, Tianyu Zhang, Chee Seng Chan, Qiang Yang

This paper proposes a novel ternary hash encoding for learning to hash methods, which provides a principled more efficient coding scheme with performances better than those of the state-of-the-art binary hashing counterparts.

Retrieval

Protecting Intellectual Property of Generative Adversarial Networks from Ambiguity Attack

1 code implementation8 Feb 2021 Ding Sheng Ong, Chee Seng Chan, Kam Woh Ng, Lixin Fan, Qiang Yang

Ever since Machine Learning as a Service (MLaaS) emerges as a viable business that utilizes deep learning models to generate lucrative revenue, Intellectual Property Right (IPR) has become a major concern because these deep learning models can easily be replicated, shared, and re-distributed by any unauthorized third parties.

Image Generation Image Super-Resolution +1

Protect, Show, Attend and Tell: Empowering Image Captioning Models with Ownership Protection

1 code implementation25 Aug 2020 Jian Han Lim, Chee Seng Chan, Kam Woh Ng, Lixin Fan, Qiang Yang

By and large, existing Intellectual Property (IP) protection on deep neural networks typically i) focus on image classification task only, and ii) follow a standard digital watermarking framework that was conventionally used to protect the ownership of multimedia and video content.

Image Captioning Image Classification

Rethinking Deep Neural Network Ownership Verification: Embedding Passports to Defeat Ambiguity Attacks

1 code implementation NeurIPS 2019 Lixin Fan, Kam Woh Ng, Chee Seng Chan

With substantial amount of time, resources and human (team) efforts invested to explore and develop successful deep neural networks (DNN), there emerges an urgent need to protect these inventions from being illegally copied, redistributed, or abused without respecting the intellectual properties of legitimate owners.

[Extended version] Rethinking Deep Neural Network Ownership Verification: Embedding Passports to Defeat Ambiguity Attacks

2 code implementations16 Sep 2019 Lixin Fan, Kam Woh Ng, Chee Seng Chan

With substantial amount of time, resources and human (team) efforts invested to explore and develop successful deep neural networks (DNN), there emerges an urgent need to protect these inventions from being illegally copied, redistributed, or abused without respecting the intellectual properties of legitimate owners.

ICDAR2019 Robust Reading Challenge on Arbitrary-Shaped Text (RRC-ArT)

1 code implementation16 Sep 2019 Chee-Kheng Chng, Yuliang Liu, Yipeng Sun, Chun Chet Ng, Canjie Luo, Zihan Ni, ChuanMing Fang, Shuaitao Zhang, Junyu Han, Errui Ding, Jingtuo Liu, Dimosthenis Karatzas, Chee Seng Chan, Lianwen Jin

This paper reports the ICDAR2019 Robust Reading Challenge on Arbitrary-Shaped Text (RRC-ArT) that consists of three major challenges: i) scene text detection, ii) scene text recognition, and iii) scene text spotting.

Scene Text Detection Scene Text Recognition +2

Image Captioning with Sparse Recurrent Neural Network

1 code implementation28 Aug 2019 Jia Huei Tan, Chee Seng Chan, Joon Huang Chuah

Recurrent Neural Network (RNN) has been widely used to tackle a wide variety of language generation problems and are capable of attaining state-of-the-art (SOTA) performance.

Image Captioning Text Generation

Digital Passport: A Novel Technological Strategy for Intellectual Property Protection of Convolutional Neural Networks

no code implementations10 May 2019 Lixin Fan, KamWoh Ng, Chee Seng Chan

In order to prevent deep neural networks from being infringed by unauthorized parties, we propose a generic solution which embeds a designated digital passport into a network, and subsequently, either paralyzes the network functionalities for unauthorized usages or maintain its functionalities in the presence of a verified passport.

General Classification valid

COMIC: Towards A Compact Image Captioning Model with Attention

2 code implementations4 Mar 2019 Jia Huei Tan, Chee Seng Chan, Joon Huang Chuah

This is because the size of word and output embedding matrices grow proportionally with the size of vocabulary, adversely affecting the compactness of these networks.

Image Captioning

A Universal Logic Operator for Interpretable Deep Convolution Networks

no code implementations20 Jan 2019 KamWoh Ng, Lixin Fan, Chee Seng Chan

Explaining neural network computation in terms of probabilistic/fuzzy logical operations has attracted much attention due to its simplicity and high interpretability.

Getting to Know Low-light Images with The Exclusively Dark Dataset

2 code implementations29 May 2018 Yuen Peng Loh, Chee Seng Chan

Thus, we propose the Exclusively Dark dataset to elevate this data drought, consisting exclusively of ten different types of low-light images (i. e. low, ambient, object, single, weak, strong, screen, window, shadow and twilight) captured in visible light only with image and object level annotations.

Low-Light Image Enhancement Object +2

Phrase-based Image Captioning with Hierarchical LSTM Model

no code implementations11 Nov 2017 Ying Hua Tan, Chee Seng Chan

Automatic generation of caption to describe the content of an image has been gaining a lot of research interests recently, where most of the existing works treat the image caption as pure sequential data.

Image Captioning Sentence

Total-Text: A Comprehensive Dataset for Scene Text Detection and Recognition

1 code implementation28 Oct 2017 Chee Kheng Chng, Chee Seng Chan

Text in curve orientation, despite being one of the common text orientations in real world environment, has close to zero existence in well received scene text datasets such as ICDAR2013 and MSRA-TD500.

Curved Text Detection Scene Text Recognition +1

Improved ArtGAN for Conditional Synthesis of Natural Image and Artwork

2 code implementations31 Aug 2017 Wei Ren Tan, Chee Seng Chan, Hernan Aguirre, Kiyoshi Tanaka

Qualitatively, we demonstrate that ArtGAN is able to generate plausible-looking images on Oxford-102 and CUB-200, as well as able to draw realistic artworks based on style, artist, and genre.

Conditional Image Generation Generative Adversarial Network

ArtGAN: Artwork Synthesis with Conditional Categorical GANs

4 code implementations11 Feb 2017 Wei Ren Tan, Chee Seng Chan, Hernan Aguirre, Kiyoshi Tanaka

This paper proposes an extension to the Generative Adversarial Networks (GANs), namely as ARTGAN to synthetically generate more challenging and complex images such as artwork that have abstract characteristics.

Art Analysis Conditional Image Generation

phi-LSTM: A Phrase-based Hierarchical LSTM Model for Image Captioning

no code implementations20 Aug 2016 Ying Hua Tan, Chee Seng Chan

The two levels of this model are dedicated to i) learn to generate image relevant noun phrases, and ii) produce appropriate image description from the phrases and other words in the corpus.

Image Captioning Sentence

Crowd Behavior Analysis: A Review where Physics meets Biology

no code implementations20 Nov 2015 Ven Jyn Kok, Mei Kuan Lim, Chee Seng Chan

Although the traits emerged in a mass gathering are often non-deliberative, the act of mass impulse may lead to irre- vocable crowd disasters.

Deep-Plant: Plant Identification with convolutional neural networks

1 code implementation28 Jun 2015 Sue Han Lee, Chee Seng Chan, Paul Wilkin, Paolo Remagnino

This paper studies convolutional neural networks (CNN) to learn unsupervised feature representations for 44 different plant species, collected at the Royal Botanic Gardens, Kew, England.

Fuzzy human motion analysis: A review

no code implementations1 Dec 2014 Chern Hong Lim, Ekta Vats, Chee Seng Chan

Human Motion Analysis (HMA) is currently one of the most popularly active research domains as such significant research interests are motivated by a number of real world applications such as video surveillance, sports analysis, healthcare monitoring and so on.

Detection of Salient Regions in Crowded Scenes

no code implementations15 Oct 2014 Mei Kuan Lim, Chee Seng Chan, Dorothy Monekosso, Paolo Remagnino

The increasing number of cameras and a handful of human operators to monitor the video inputs from hundreds of cameras leave the system ill equipped to fulfil the task of detecting anomalies.

Enhanced Random Forest with Image/Patch-Level Learning for Image Understanding

no code implementations14 Oct 2014 Wai Lam Hoo, Tae-Kyun Kim, Yuru Pei, Chee Seng Chan

Image understanding is an important research domain in the computer vision due to its wide real-world applications.

Refined Particle Swarm Intelligence Method for Abrupt Motion Tracking

no code implementations14 Oct 2014 Mei Kuan Lim, Chee Seng Chan, Dorothy Monekosso, Paolo Remagnino

Conventional tracking solutions are not feasible in handling abrupt motion as they are based on smooth motion assumption or an accurate motion model.

Zero-Shot Object Recognition System based on Topic Model

no code implementations14 Oct 2014 Wai Lam Hoo, Chee Seng Chan

Object recognition systems usually require fully complete manually labeled training data to train the classifier.

Attribute General Classification +3

Scene Image is Non-Mutually Exclusive - A Fuzzy Qualitative Scene Understanding

no code implementations14 Oct 2014 Chern Hong Lim, Anhar Risnumawan, Chee Seng Chan

In this paper, we show that scene images are non-mutually exclusive, and propose the Fuzzy Qualitative Rank Classifier (FQRC) to tackle the aforementioned problems.

Binary Classification Decision Making +1

Crowd Saliency Detection via Global Similarity Structure

no code implementations14 Oct 2014 Mei Kuan Lim, Ven Jyn Kok, Chen Change Loy, Chee Seng Chan

This paper proposes a novel framework to identify and localize salient regions in a crowd scene, by transforming low-level features extracted from crowd motion field into a global similarity structure.

Saliency Detection

A Fusion Approach for Efficient Human Skin Detection

no code implementations14 Oct 2014 Wei Ren Tan, Chee Seng Chan, Pratheepan Yogarajah, Joan Condell

A reliable human skin detection method that is adaptable to different human skin colours and illu- mination conditions is essential for better human skin segmentation.

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