Search Results for author: Meng Tang

Found 16 papers, 5 papers with code

Training Class-Imbalanced Diffusion Model Via Overlap Optimization

1 code implementation16 Feb 2024 Divin Yan, Lu Qi, Vincent Tao Hu, Ming-Hsuan Yang, Meng Tang

To address the observed appearance overlap between synthesized images of rare classes and tail classes, we propose a method based on contrastive learning to minimize the overlap between distributions of synthetic images for different classes.

Contrastive Learning Image Generation

Latent Space Editing in Transformer-Based Flow Matching

no code implementations17 Dec 2023 Vincent Tao Hu, David W Zhang, Pascal Mettes, Meng Tang, Deli Zhao, Cees G. M. Snoek

Flow Matching is an emerging generative modeling technique that offers the advantage of simple and efficient training.

ScribbleGen: Generative Data Augmentation Improves Scribble-supervised Semantic Segmentation

no code implementations28 Nov 2023 Jacob Schnell, Jieke Wang, Lu Qi, Vincent Tao Hu, Meng Tang

We propose ScribbleGen, a generative data augmentation method that leverages a ControlNet diffusion model conditioned on semantic scribbles to produce high-quality training data.

Data Augmentation Image Classification +4

Divide and Conquer: Text Semantic Matching with Disentangled Keywords and Intents

1 code implementation Findings (ACL) 2022 Yicheng Zou, Hongwei Liu, Tao Gui, Junzhe Wang, Qi Zhang, Meng Tang, Haixiang Li, Daniel Wang

Text semantic matching is a fundamental task that has been widely used in various scenarios, such as community question answering, information retrieval, and recommendation.

Community Question Answering Information Retrieval +2

Deep-learning-based coupled flow-geomechanics surrogate model for CO$_2$ sequestration

no code implementations4 May 2021 Meng Tang, Xin Ju, Louis J. Durlofsky

The surrogate model is trained to predict the 3D CO2 saturation and pressure fields in the storage aquifer, and 2D displacement maps at the Earth's surface.

FroDO: From Detections to 3D Objects

no code implementations11 May 2020 Kejie Li, Martin Rünz, Meng Tang, Lingni Ma, Chen Kong, Tanner Schmidt, Ian Reid, Lourdes Agapito, Julian Straub, Steven Lovegrove, Richard Newcombe

We introduce FroDO, a method for accurate 3D reconstruction of object instances from RGB video that infers object location, pose and shape in a coarse-to-fine manner.

3D Reconstruction Object +2

Multiphase flow prediction with deep neural networks

no code implementations21 Oct 2019 Gege Wen, Meng Tang, Sally M. Benson

This paper proposes a deep neural network approach for predicting multiphase flow in heterogeneous domains with high computational efficiency.

Computational Efficiency Small Data Image Classification +2

A deep-learning-based surrogate model for data assimilation in dynamic subsurface flow problems

no code implementations16 Aug 2019 Meng Tang, Yimin Liu, Louis J. Durlofsky

High-fidelity numerical simulation results for the posterior geomodels (generated by the surrogate-based data assimilation procedure) are shown to be in essential agreement with the recurrent R-U-Net predictions.

Learning Compressed Sentence Representations for On-Device Text Processing

1 code implementation ACL 2019 Dinghan Shen, Pengyu Cheng, Dhanasekar Sundararaman, Xinyuan Zhang, Qian Yang, Meng Tang, Asli Celikyilmaz, Lawrence Carin

Vector representations of sentences, trained on massive text corpora, are widely used as generic sentence embeddings across a variety of NLP problems.

Retrieval Sentence +1

Beyond Gradient Descent for Regularized Segmentation Losses

1 code implementation CVPR 2019 Dmitrii Marin, Meng Tang, Ismail Ben Ayed, Yuri Boykov

Both loss functions and architectures are often explicitly tuned to be amenable to this basic local optimization.

Segmentation

Constrained-CNN losses for weakly supervised segmentation

4 code implementations12 May 2018 Hoel Kervadec, Jose Dolz, Meng Tang, Eric Granger, Yuri Boykov, Ismail Ben Ayed

To the best of our knowledge, the method of [Pathak et al., 2015] is the only prior work that addresses deep CNNs with linear constraints in weakly supervised segmentation.

Medical Image Segmentation Segmentation +3

Normalized Cut Loss for Weakly-supervised CNN Segmentation

no code implementations CVPR 2018 Meng Tang, Abdelaziz Djelouah, Federico Perazzi, Yuri Boykov, Christopher Schroers

Our normalized cut loss approach to segmentation brings the quality of weakly-supervised training significantly closer to fully supervised methods.

Interactive Segmentation Segmentation +1

On Regularized Losses for Weakly-supervised CNN Segmentation

no code implementations ECCV 2018 Meng Tang, Federico Perazzi, Abdelaziz Djelouah, Ismail Ben Ayed, Christopher Schroers, Yuri Boykov

This approach simplifies weakly-supervised training by avoiding extra MRF/CRF inference steps or layers explicitly generating full masks, while improving both the quality and efficiency of training.

Segmentation Semantic Segmentation

Kernel clustering: density biases and solutions

no code implementations16 May 2017 Dmitrii Marin, Meng Tang, Ismail Ben Ayed, Yuri Boykov

We call it Breiman's bias due to its similarity to the histogram mode isolation previously discovered by Breiman in decision tree learning with Gini impurity.

Clustering

Secrets of GrabCut and Kernel K-Means

no code implementations ICCV 2015 Meng Tang, Ismail Ben Ayed, Dmitrii Marin, Yuri Boykov

Our bound formulation for kernel K-means allows to combine general pair-wise feature clustering methods with image grid regularization using graph cuts, similarly to standard color model fitting techniques for segmentation.

Clustering Segmentation

Kernel Cuts: MRF meets Kernel & Spectral Clustering

no code implementations24 Jun 2015 Meng Tang, Dmitrii Marin, Ismail Ben Ayed, Yuri Boykov

We propose a new segmentation model combining common regularization energies, e. g. Markov Random Field (MRF) potentials, and standard pairwise clustering criteria like Normalized Cut (NC), average association (AA), etc.

Clustering

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