Search Results for author: Teck Khim Ng

Found 11 papers, 3 papers with code

Local Statistics for Generative Image Detection

no code implementations25 Oct 2023 Yung Jer Wong, Teck Khim Ng

Diffusion models (DMs) are generative models that learn to synthesize images from Gaussian noise.

Image Generation Image Super-Resolution

Mugs: A Multi-Granular Self-Supervised Learning Framework

1 code implementation27 Mar 2022 Pan Zhou, Yichen Zhou, Chenyang Si, Weihao Yu, Teck Khim Ng, Shuicheng Yan

It provides complementary instance supervision to IDS via an extra alignment on local neighbors, and scatters different local-groups separately to increase discriminability.

Contrastive Learning Self-Supervised Image Classification +3

Adaptive Modeling Against Adversarial Attacks

1 code implementation23 Dec 2021 Zhiwen Yan, Teck Khim Ng

Adversarial training, the process of training a deep learning model with adversarial data, is one of the most successful adversarial defense methods for deep learning models.

Adversarial Defense

SINGA-Easy: An Easy-to-Use Framework for MultiModal Analysis

no code implementations3 Aug 2021 Naili Xing, Sai Ho Yeung, ChengHao Cai, Teck Khim Ng, Wei Wang, Kaiyuan Yang, Nan Yang, Meihui Zhang, Gang Chen, Beng Chin Ooi

Specifically, in terms of usability, it is demanding for non-experts to implement deep learning models, obtain the right settings for the entire machine learning pipeline, manage models and datasets, and exploit external data sources all together.

Image Classification

Enhancing Transformation-Based Defenses Against Adversarial Attacks with a Distribution Classifier

no code implementations ICLR 2020 Connie Kou, Hwee Kuan Lee, Ee-Chien Chang, Teck Khim Ng

Furthermore, on the adversarial counterparts, with the image transformation, the resulting shapes of the distribution of softmax are similar to the distributions from the clean images.

Adversarial Attack

Enhancing Transformation-based Defenses using a Distribution Classifier

no code implementations1 Jun 2019 Connie Kou, Hwee Kuan Lee, Ee-Chien Chang, Teck Khim Ng

Furthermore, on the adversarial counterparts, with the image transformation, the resulting shapes of the distribution of softmax are similar to the distributions from the clean images.

Adversarial Attack

Theoretical and Experimental Analysis on the Generalizability of Distribution Regression Network

no code implementations5 Nov 2018 Connie Kou, Hwee Kuan Lee, Jorge Sanz, Teck Khim Ng

However, in Kou et al. (2018) and some other works on distribution regression, there is a lack of comprehensive comparative study on both theoretical basis and generalization abilities of the methods.

regression Time Series Analysis

PANDA: Facilitating Usable AI Development

no code implementations26 Apr 2018 Jinyang Gao, Wei Wang, Meihui Zhang, Gang Chen, H. V. Jagadish, Guoliang Li, Teck Khim Ng, Beng Chin Ooi, Sheng Wang, Jingren Zhou

In many complex applications such as healthcare, subject matter experts (e. g. Clinicians) are the ones who appreciate the importance of features that affect health, and their knowledge together with existing knowledge bases are critical to the end results.

Autonomous Driving

Rafiki: Machine Learning as an Analytics Service System

1 code implementation PVLDB (The Proceedings of the VLDB Endowment) 2018 Wei Wang, Sheng Wang, Jinyang Gao, Meihui Zhang, Gang Chen, Teck Khim Ng, Beng Chin Ooi

Second, expertise knowledge is required to optimize the training and inference procedures in terms of efficiency and effectiveness, which imposes heavy burden on the system users.

BIG-bench Machine Learning Hyperparameter Optimization +2

A Compact Network Learning Model for Distribution Regression

no code implementations13 Apr 2018 Connie Kou, Hwee Kuan Lee, Teck Khim Ng

Despite the superior performance of deep learning in many applications, challenges remain in the area of regression on function spaces.

regression

Distribution Regression Network

no code implementations ICLR 2018 Connie Kou, Hwee Kuan Lee, Teck Khim Ng

We introduce our Distribution Regression Network (DRN) which performs regression from input probability distributions to output probability distributions.

regression

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