Search Results for author: Guoping Qiu

Found 48 papers, 15 papers with code

Geometric Distortion Guided Transformer for Omnidirectional Image Super-Resolution

no code implementations16 Jun 2024 Cuixin Yang, Rongkang Dong, Jun Xiao, Cong Zhang, Kin-Man Lam, Fei Zhou, Guoping Qiu

As virtual and augmented reality applications gain popularity, omnidirectional image (ODI) super-resolution has become increasingly important.

ERP Image Super-Resolution

Vision Language Modeling of Content, Distortion and Appearance for Image Quality Assessment

no code implementations14 Jun 2024 Fei Zhou, Zhicong Huang, Tianhao Gu, Guoping Qiu

The Text Annotated Distortion, Appearance and Content (TADAC) database has over 1. 6 million images annotated with textual descriptions of their semantic contents, distortion characteristics and appearance properties.

Image Quality Assessment Language Modelling +1

Finding Beautiful and Happy Images for Mental Health and Well-being Applications

no code implementations28 Apr 2024 Ruitao Xie, Connor Qiu, Guoping Qiu

This paper explores how artificial intelligence (AI) technology can contribute to achieve progress on good health and well-being, one of the United Nations' 17 Sustainable Development Goals.

3D Reconstruction and New View Synthesis of Indoor Environments based on a Dual Neural Radiance Field

1 code implementation26 Jan 2024 Zhenyu Bao, Guibiao Liao, Zhongyuan Zhao, Kanglin Liu, Qing Li, Guoping Qiu

One of the innovative features of Du-NeRF is that it decouples a view-independent component from the density field and uses it as a label to supervise the learning process of the SDF field.

3D Reconstruction Novel View Synthesis

PSAvatar: A Point-based Shape Model for Real-Time Head Avatar Animation with 3D Gaussian Splatting

1 code implementation23 Jan 2024 Zhongyuan Zhao, Zhenyu Bao, Qing Li, Guoping Qiu, Kanglin Liu

In this paper, we introduce PSAvatar, a novel framework for animatable head avatar creation that utilizes discrete geometric primitive to create a parametric morphable shape model and employs 3D Gaussian for fine detail representation and high fidelity rendering.

P2I-NET: Mapping Camera Pose to Image via Adversarial Learning for New View Synthesis in Real Indoor Environments

no code implementations27 Sep 2023 Xujie Kang, Kanglin Liu, Jiang Duan, Yuanhao Gong, Guoping Qiu

Given a new $6DoF$ camera pose in an indoor environment, we study the challenging problem of predicting the view from that pose based on a set of reference RGBD views.

Collaborative Auto-encoding for Blind Image Quality Assessment

1 code implementation24 May 2023 Zehong Zhou, Fei Zhou, Guoping Qiu

Blind image quality assessment (BIQA) is a challenging problem with important real-world applications.

Blind Image Quality Assessment Decoder +2

Aesthetically Relevant Image Captioning

1 code implementation25 Nov 2022 Zhipeng Zhong, Fei Zhou, Guoping Qiu

Based on the observation that most textual comments of an image are about objects and their interactions rather than aspects of aesthetics, we first introduce the concept of Aesthetic Relevance Score (ARS) of a sentence and have developed a model to automatically label a sentence with its ARS.

Image Captioning Sentence

ConvTransSeg: A Multi-resolution Convolution-Transformer Network for Medical Image Segmentation

1 code implementation13 Oct 2022 Zhendi Gong, Andrew P. French, Guoping Qiu, Xin Chen

We compared our method with many other state-of-the-art hybrid CNN and Transformer segmentation models on binary and multiple class image segmentation tasks using several public medical image datasets, including skin lesion, polyp, cell and brain tissue.

Decoder Image Segmentation +3

Improving Image Clustering through Sample Ranking and Its Application to remote--sensing images

1 code implementation26 Sep 2022 Qinglin Li, Guoping Qiu

Performing our method on a variety of datasets from remote sensing, we show that our method can be effectively applied to remote--sensing images.

Clustering Image Clustering +1

Restoration of User Videos Shared on Social Media

1 code implementation18 Aug 2022 Hongming Luo, Fei Zhou, Kin-Man Lam, Guoping Qiu

This paper presents a new general video restoration framework for the restoration of user videos shared on social media platforms.

Video Restoration

Supervised Anomaly Detection via Conditional Generative Adversarial Network and Ensemble Active Learning

2 code implementations24 Apr 2021 Zhi Chen, Jiang Duan, Li Kang, Guoping Qiu

In addition to using the conditional GAN to generate class balanced supplementary training data, an innovative ensemble learning loss function ensuring each discriminator makes up for the deficiencies of the others is designed to overcome the class imbalanced problem, and an active learning algorithm is introduced to significantly reduce the cost of labeling real-world data.

Active Learning Ensemble Learning +2

Super-resolving Compressed Images via Parallel and Series Integration of Artifact Reduction and Resolution Enhancement

1 code implementation2 Mar 2021 Hongming Luo, Fei Zhou, Guangsen Liao, Guoping Qiu

Based on a mathematical inference model for estimating a clean low-resolution (LR) image and a clean high-resolution (HR) image from a down-sampled and compressed observation, we have designed a CISR architecture consisting of two deep neural network modules: the artefacts removal module (ARM) and the resolution enhancement module (REM).

Compressed Image Super-resolution Image Super-Resolution

VHS to HDTV Video Translation using Multi-task Adversarial Learning

no code implementations7 Jan 2021 Hongming Luo, Guangsen Liao, Xianxu Hou, Bozhi Liu, Fei Zhou, Guoping Qiu

In this paper, we focus on the problem of translating VHS video to HDTV video and have developed a solution based on a novel unsupervised multi-task adversarial learning model.

Generative Adversarial Network Super-Resolution +1

Deep Learning based Monocular Depth Prediction: Datasets, Methods and Applications

no code implementations9 Nov 2020 Qing Li, Jiasong Zhu, Jun Liu, Rui Cao, Qingquan Li, Sen Jia, Guoping Qiu

Despite the rapid progress in this topic, there are lacking of a comprehensive review, which is needed to summarize the current progress and provide the future directions.

Depth Prediction Indoor Localization +2

Towards Disentangling Latent Space for Unsupervised Semantic Face Editing

1 code implementation5 Nov 2020 Kanglin Liu, Gaofeng Cao, Fei Zhou, Bozhi Liu, Jiang Duan, Guoping Qiu

In this paper, we present a new technique termed Structure-Texture Independent Architecture with Weight Decomposition and Orthogonal Regularization (STIA-WO) to disentangle the latent space for unsupervised semantic face editing.

Attribute Image Generation

MiniNet: An extremely lightweight convolutional neural network for real-time unsupervised monocular depth estimation

no code implementations27 Jun 2020 Jun Liu, Qing Li, Rui Cao, Wenming Tang, Guoping Qiu

To the best of our knowledge, this work is the first extremely lightweight neural network trained on monocular video sequences for real-time unsupervised monocular depth estimation, which opens up the possibility of implementing deep learning-based real-time unsupervised monocular depth prediction on low-cost embedded devices.

Depth Prediction Monocular Depth Estimation +2

PoseGAN: A Pose-to-Image Translation Framework for Camera Localization

no code implementations23 Jun 2020 Kanglin Liu, Qing Li, Guoping Qiu

We present PoseGANs, a conditional generative adversarial networks (cGANs) based framework for the implementation of pose-to-image translation.

Camera Localization Pose Estimation +1

Class-Aware Domain Adaptation for Improving Adversarial Robustness

no code implementations10 May 2020 Xianxu Hou, Jingxin Liu, Bolei Xu, Xiaolong Wang, Bozhi Liu, Guoping Qiu

To improve the adversarial robustness of neural networks, adversarial training has been proposed to train networks by injecting adversarial examples into the training data.

Adversarial Attack Adversarial Defense +2

Object Recognition with Human in the Loop Intelligent Frameworks

no code implementations11 Dec 2019 Orod Razeghi, Guoping Qiu

Classifiers embedded within human in the loop visual object recognition frameworks commonly utilise two sources of information: one derived directly from the imagery data of an object, and the other obtained interactively from user interactions.

Object Object Recognition

Discriminative Dimension Reduction based on Mutual Information

no code implementations11 Dec 2019 Orod Razeghi, Guoping Qiu

A widely used approach to tackling the problem is a group of subspace methods, where the original features are projected onto a new space.

Classification Dimensionality Reduction +1

Spectral Regularization for Combating Mode Collapse in GANs

2 code implementations ICCV 2019 Kanglin Liu, Wenming Tang, Fei Zhou, Guoping Qiu

Theoretical analysis shows that the optimal solution to the discriminator has a strong relationship to the spectral distributions of the weight matrix. Therefore, we monitor the spectral distribution in the discriminator of spectral normalized GANs (SN-GANs), and discover a phenomenon which we refer to as spectral collapse, where a large number of singular values of the weight matrices drop dramatically when mode collapse occurs.

Learning Deep Image Priors for Blind Image Denoising

no code implementations4 Jun 2019 Xianxu Hou, Hongming Luo, Jingxin Liu, Bolei Xu, Ke Sun, Yuanhao Gong, Bozhi Liu, Guoping Qiu

In this paper, we propose an effective image denoising method by learning two image priors from the perspective of domain alignment.

Image Denoising SSIM

Side Window Filtering

1 code implementation CVPR 2019 Hui Yin, Yuanhao Gong, Guoping Qiu

In addition to image filtering, we further show that the SWF principle can be extended to other applications involving the use of a local window.

Denoising image smoothing +2

HLO: Half-kernel Laplacian Operator for Surface Smoothing

1 code implementation12 May 2019 Wei Pan, Xuequan Lu, Yuanhao Gong, Wenming Tang, Jun Liu, Ying He, Guoping Qiu

This paper presents a simple yet effective method for feature-preserving surface smoothing.

Computational Geometry Graphics

FrameRank: A Text Processing Approach to Video Summarization

no code implementations11 Apr 2019 Zhuo Lei, Chao Zhang, Qian Zhang, Guoping Qiu

In constructing the dataset, because of the subjectivity of user-generated video summarization, we manually annotate 25 summaries for each video, which are in total 1300 summaries.

Unsupervised Video Summarization

Enhancing Remote Sensing Image Retrieval with Triplet Deep Metric Learning Network

no code implementations15 Feb 2019 Rui Cao, Qian Zhang, Jiasong Zhu, Qing Li, Qingquan Li, Bozhi Liu, Guoping Qiu

With the rapid growing of remotely sensed imagery data, there is a high demand for effective and efficient image retrieval tools to manage and exploit such data.

Image Retrieval Metric Learning +1

End-to-End Single Image Fog Removal using Enhanced Cycle Consistent Adversarial Networks

no code implementations4 Feb 2019 Wei Liu, Xianxu Hou, Jiang Duan, Guoping Qiu

In addition, we also contribute the first real world nature fog-fogfree image dataset for defogging research.

Lipschitz Constrained GANs via Boundedness and Continuity

no code implementations16 Mar 2018 Kanglin Liu, Guoping Qiu

In this paper, we introduce the boundedness and continuity ($BC$) conditions to enforce the Lipschitz constraint on the discriminator functions of GANs.

An End-to-End Deep Learning Histochemical Scoring System for Breast Cancer Tissue Microarray

no code implementations19 Jan 2018 Jingxin Liu, Bolei Xu, Chi Zheng, Yuanhao Gong, Jon Garibaldi, Daniele Soria, Andew Green, Ian O. Ellis, Wenbin Zou, Guoping Qiu

To the best of our knowledge, this is the first end-to-end system that takes a TMA image as input and directly outputs a clinical score.

Decision Making

Quality Classified Image Analysis with Application to Face Detection and Recognition

no code implementations19 Jan 2018 Fei Yang, Qian Zhang, Miaohui Wang, Guoping Qiu

We will present experimental results to show that our quality classified framework can accurately classify images based on the type and severity of image degradations and can significantly boost the performances of state-of-the-art face detector and recognizer in dealing with image datasets containing mixed quality images.

Face Detection

Deep Feature Consistent Deep Image Transformations: Downscaling, Decolorization and HDR Tone Mapping

no code implementations29 Jul 2017 Xianxu Hou, Jiang Duan, Guoping Qiu

Building on crucial insights into the determining factors of the visual integrity of an image and the property of deep convolutional neural network (CNN), we have developed the Deep Feature Consistent Deep Image Transformation (DFC-DIT) framework which unifies challenging one-to-many mapping image processing problems such as image downscaling, decolorization (colour to grayscale conversion) and high dynamic range (HDR) image tone mapping.

Tone Mapping

Image Companding and Inverse Halftoning using Deep Convolutional Neural Networks

no code implementations1 Jul 2017 Xianxu Hou, Guoping Qiu

First, to the best knowledge of the authors, this is the first work that has successfully developed deep learning based solutions to these two traditional low-level image processing problems.

Deep Feature Consistent Variational Autoencoder

14 code implementations2 Oct 2016 Xianxu Hou, Linlin Shen, Ke Sun, Guoping Qiu

We present a novel method for constructing Variational Autoencoder (VAE).

Attribute Style Transfer

Automatic Visual Theme Discovery from Joint Image and Text Corpora

no code implementations7 Sep 2016 Ke Sun, Xianxu Hou, Qian Zhang, Guoping Qiu

Furthermore, not all tags have the same descriptive power for visual contents and large vocabulary available from natural language could result in a very diverse set of keywords.

Clustering Descriptive +4

Object Specific Deep Learning Feature and Its Application to Face Detection

no code implementations6 Sep 2016 Xianxu Hou, Ke Sun, Linlin Shen, Guoping Qiu

We present a method for discovering and exploiting object specific deep learning features and use face detection as a case study.

Face Detection Object

Random Forest for Label Ranking

no code implementations27 Aug 2016 Yangming Zhou, Guoping Qiu

Label ranking aims to learn a mapping from instances to rankings over a finite number of predefined labels.

Supervised Learning and Anti-learning of Colorectal Cancer Classes and Survival Rates from Cellular Biology Parameters

no code implementations5 Jul 2013 Chris Roadknight, Uwe Aickelin, Guoping Qiu, John Scholefield, Lindy Durrant

For predicting the stage of cancer from the immunological attributes, anti-learning approaches outperform a range of popular algorithms.

Tumour Classification

Multi-scale Discriminant Saliency with Wavelet-based Hidden Markov Tree Modelling

no code implementations31 Jan 2013 Anh Cat Le Ngo, Kenneth Li-Minn Ang, Guoping Qiu, Jasmine Kah-Phooi Seng

Discriminant power of features for the classification is measured as mutual information between distributions of image features and corresponding classes .

Binary Classification General Classification

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