activity
20172023
most citedPoint Cloud Classification Using Content-based Transformer via Clustering in Feature Space

116 citations · 384 across the 16 of their papers we have counts for

collaborators

18 papers

cs.CV2023★ 116 cited

Point Cloud Classification Using Content-based Transformer via Clustering in Feature Space

Yahui Liu, Bin Tian, Yisheng Lv +2

Recently, there have been some attempts of Transformer in 3D point cloud classification. In order to reduce computations, most existing methods focus on local spatial attention, bu…

cs.CV2022★ 2 cited

Smooth image-to-image translations with latent space interpolations

Yahui Liu, Enver Sangineto, Yajing Chen +5

Multi-domain image-to-image (I2I) translations can transform a source image according to the style of a target domain. One important, desired characteristic of these transformation…

cs.CV2022★ 6 cited

Training and Tuning Generative Neural Radiance Fields for Attribute-Conditional 3D-Aware Face Generation

Jichao Zhang, Aliaksandr Siarohin, Yahui Liu +3

Generative Neural Radiance Fields (GNeRF)-based 3D-aware GANs have showcased remarkable prowess in crafting high-fidelity images while upholding robust 3D consistency, particularly…

cs.CV2022

Spatial Entropy as an Inductive Bias for Vision Transformers

Elia Peruzzo, Enver Sangineto, Yahui Liu +4

Recent work on Vision Transformers (VTs) showed that introducing a local inductive bias in the VT architecture helps reducing the number of samples necessary for training. However,…

cs.CV2022

Masked Jigsaw Puzzle: A Versatile Position Embedding for Vision Transformers

Bin Ren, Yahui Liu, Yue Song +4

Position Embeddings (PEs), an arguably indispensable component in Vision Transformers (ViTs), have been shown to improve the performance of ViTs on many vision tasks. However, PEs…

cs.CV2021

ISF-GAN: An Implicit Style Function for High-Resolution Image-to-Image Translation

Yahui Liu, Yajing Chen, Linchao Bao +3

Recently, there has been an increasing interest in image editing methods that employ pre-trained unconditional image generators (e.g., StyleGAN). However, applying these methods to…

cs.CV2021

Smoothing the Disentangled Latent Style Space for Unsupervised Image-to-Image Translation

Yahui Liu, Enver Sangineto, Yajing Chen +6

Image-to-Image (I2I) multi-domain translation models are usually evaluated also using the quality of their semantic interpolation results. However, state-of-the-art models frequent…

cs.CV2021★ 84 cited

Efficient Training of Visual Transformers with Small Datasets

Yahui Liu, Enver Sangineto, Wei Bi +3

Visual Transformers (VTs) are emerging as an architectural paradigm alternative to Convolutional networks (CNNs). Differently from CNNs, VTs can capture global relations between im…

cs.CV2021★ 62 cited

Adversarial Shape Learning for Building Extraction in VHR Remote Sensing Images

Lei Ding, Hao Tang, Yahui Liu +3

Building extraction in VHR RSIs remains a challenging task due to occlusion and boundary ambiguity problems. Although conventional convolutional neural networks (CNNs) based method…

cs.CV2020

Semantic-Guided Inpainting Network for Complex Urban Scenes Manipulation

Pierfrancesco Ardino, Yahui Liu, Elisa Ricci +2

Manipulating images of complex scenes to reconstruct, insert and/or remove specific object instances is a challenging task. Complex scenes contain multiple semantics and objects, w…

cs.CV2020

Retrieval Guided Unsupervised Multi-domain Image-to-Image Translation

Raul Gomez, Yahui Liu, Marco De Nadai +3

Image to image translation aims to learn a mapping that transforms an image from one visual domain to another. Recent works assume that images descriptors can be disentangled into…

cs.CV2020★ 8 cited

Describe What to Change: A Text-guided Unsupervised Image-to-Image Translation Approach

Yahui Liu, Marco De Nadai, Deng Cai +4

Manipulating visual attributes of images through human-written text is a very challenging task. On the one hand, models have to learn the manipulation without the ground truth of t…

cs.CV2020★ 1 cited

Vanishing Point Guided Natural Image Stitching

Kai Chen, Jian Yao, Jingmin Tu +3

Recently, works on improving the naturalness of stitching images gain more and more extensive attention. Previous methods suffer the failures of severe projective distortion and un…

cs.CV2020★ 18 cited

GMM-UNIT: Unsupervised Multi-Domain and Multi-Modal Image-to-Image Translation via Attribute Gaussian Mixture Modeling

Yahui Liu, Marco De Nadai, Jian Yao +3

Unsupervised image-to-image translation (UNIT) aims at learning a mapping between several visual domains by using unpaired training images. Recent studies have shown remarkable suc…

cs.IR2019★ 5 cited

Pairwise Interactive Graph Attention Network for Context-Aware Recommendation

Yahui Liu, Furao Shen, Jian Zhao

Context-aware recommender systems (CARS), which consider rich side information to improve recommendation performance, have caught more and more attention in both academia and indus…

cs.CV2019★ 16 cited

Gesture-to-Gesture Translation in the Wild via Category-Independent Conditional Maps

Yahui Liu, Marco De Nadai, Gloria Zen +2

Recent works have shown Generative Adversarial Networks (GANs) to be particularly effective in image-to-image translations. However, in tasks such as body pose and hand gesture tra…

cs.CV2019★ 61 cited

Fast 3D Line Segment Detection From Unorganized Point Cloud

Xiaohu Lu, Yahui Liu, Kai Li

This paper presents a very simple but efficient algorithm for 3D line segment detection from large scale unorganized point cloud. Unlike traditional methods which usually extract 3…

cs.CV2017★ 5 cited

Learning to Refine Object Contours with a Top-Down Fully Convolutional Encoder-Decoder Network

Yahui Liu, Jian Yao, Li Li +2

We develop a novel deep contour detection algorithm with a top-down fully convolutional encoder-decoder network. Our proposed method, named TD-CEDN, solves two important issues in…