Search Results for author: Weimin WANG

Found 29 papers, 10 papers with code

Breast Cancer Image Classification Method Based on Deep Transfer Learning

no code implementations14 Apr 2024 Weimin WANG, Min Gao, Mingxuan Xiao, Xu Yan, Yufeng Li

To address the issues of limited samples, time-consuming feature design, and low accuracy in detection and classification of breast cancer pathological images, a breast cancer image classification model algorithm combining deep learning and transfer learning is proposed.

Breast Cancer Detection Classification +2

Convolutional neural network classification of cancer cytopathology images: taking breast cancer as an example

no code implementations12 Apr 2024 Mingxuan Xiao, Yufeng Li, Xu Yan, Min Gao, Weimin WANG

To address the challenges of dependence on pathologists expertise and the time-consuming nature of achieving accurate breast pathological image classification, this paper introduces an approach utilizing convolutional neural networks (CNNs) for the rapid categorization of pathological images, aiming to enhance the efficiency of breast pathological image detection.

Classification Image Classification +1

Survival Prediction Across Diverse Cancer Types Using Neural Networks

no code implementations11 Apr 2024 Xu Yan, Weimin WANG, Mingxuan Xiao, Yufeng Li, Min Gao

This study introduces a pioneering approach to enhance survival prediction models for gastric and Colon adenocarcinoma patients.

Survival Prediction whole slide images

Point Cloud Compression via Constrained Optimal Transport

1 code implementation13 Mar 2024 Zezeng Li, Weimin WANG, Ziliang Wang, Na lei

This paper presents a novel point cloud compression method COT-PCC by formulating the task as a constrained optimal transport (COT) problem.

Generative Adversarial Network

MagicVideo-V2: Multi-Stage High-Aesthetic Video Generation

no code implementations9 Jan 2024 Weimin WANG, Jiawei Liu, Zhijie Lin, Jiangqiao Yan, Shuo Chen, Chetwin Low, Tuyen Hoang, Jie Wu, Jun Hao Liew, Hanshu Yan, Daquan Zhou, Jiashi Feng

The growing demand for high-fidelity video generation from textual descriptions has catalyzed significant research in this field.

MORPH Video Generation

Snow Removal for LiDAR Point Clouds with Spatio-temporal Conditional Random Fields

1 code implementation IEEE ROBOTICS AND AUTOMATION LETTERS 2023 Weimin WANG, Ting Yang, Yu Du, Yu Liu

The proposed approach first constructs the CRF based on k-nearest neighbors with the snow confidence derived from the physical priors of snow, such as intensity and distribution.

3D Object Detection Autonomous Driving +2

Efficient stereo matching on embedded GPUs with zero-means cross correlation

no code implementations1 Dec 2022 Qiong Chang, Aolong Zha, Weimin WANG, Xin Liu, Masaki Onishi, Lei Lei, Meng Joo Er, Tsutomu Maruyama

By combining this technique with the domain transformation (DT) algorithm, our system show real-time processing speed of 32 fps, on a Jetson Tx2 GPU for 1, 280x384 pixel images with a maximum disparity of 128.

Stereo Matching

MagicVideo: Efficient Video Generation With Latent Diffusion Models

no code implementations20 Nov 2022 Daquan Zhou, Weimin WANG, Hanshu Yan, Weiwei Lv, Yizhe Zhu, Jiashi Feng

In specific, unlike existing works that directly train video models in the RGB space, we use a pre-trained VAE to map video clips into a low-dimensional latent space and learn the distribution of videos' latent codes via a diffusion model.

Text-to-Video Generation Video Generation

Surgical Skill Assessment via Video Semantic Aggregation

no code implementations4 Aug 2022 Zhenqiang Li, Lin Gu, Weimin WANG, Ryosuke Nakamura, Yoichi Sato

Automated video-based assessment of surgical skills is a promising task in assisting young surgical trainees, especially in poor-resource areas.

Representation Learning

Enhancing Local Geometry Learning for 3D Point Cloud via Decoupling Convolution

no code implementations4 Jul 2022 Haoyi Xiu, Xin Liu, Weimin WANG, Kyoung-Sook Kim, Takayuki Shinohara, Qiong Chang, Masashi Matsuoka

Modeling the local surface geometry is challenging in 3D point cloud understanding due to the lack of connectivity information.

Enhancing Local Feature Learning for 3D Point Cloud Processing using Unary-Pairwise Attention

no code implementations1 Mar 2022 Haoyi Xiu, Xin Liu, Weimin WANG, Kyoung-Sook Kim, Takayuki Shinohara, Qiong Chang, Masashi Matsuoka

We present a simple but effective attention named the unary-pairwise attention (UPA) for modeling the relationship between 3D point clouds.

Scene Segmentation

Exploring Object-Aware Attention Guided Frame Association for RGB-D SLAM

no code implementations28 Jan 2022 Ali Caglayan, Nevrez Imamoglu, Oguzhan Guclu, Ali Osman Serhatoglu, Weimin WANG, Ahmet Burak Can, Ryosuke Nakamura

This can be very useful for visual tasks such as simultaneous localization and mapping (SLAM) where CNN representations of spatially attentive object locations may lead to improved performance.

Object Simultaneous Localization and Mapping

Spatio-Temporal Perturbations for Video Attribution

1 code implementation1 Sep 2021 Zhenqiang Li, Weimin WANG, Zuoyue Li, Yifei HUANG, Yoichi Sato

The attribution method provides a direction for interpreting opaque neural networks in a visual way by identifying and visualizing the input regions/pixels that dominate the output of a network.

Video Understanding

Towards Visually Explaining Video Understanding Networks with Perturbation

2 code implementations1 May 2020 Zhenqiang Li, Weimin WANG, Zuoyue Li, Yifei HUANG, Yoichi Sato

''Making black box models explainable'' is a vital problem that accompanies the development of deep learning networks.

Video Understanding

YOLO and K-Means Based 3D Object Detection Method on Image and Point Cloud

no code implementations21 Apr 2020 Xuanyu YIN, Yoko SASAKI, Weimin WANG, Kentaro SHIMIZU

In our research, Camera can capture the image to make the Real-time 2D Object Detection by using YOLO, I transfer the bounding box to node whose function is making 3d object detection on point cloud data from Lidar.

3D Object Detection 3D Object Recognition +4

3D Object Detection Method Based on YOLO and K-Means for Image and Point Clouds

no code implementations21 Apr 2020 Xuanyu YIN, Yoko SASAKI, Weimin WANG, Kentaro SHIMIZU

In our research, camera can capture the image to make the Real-time 2D object detection by using YOLO, we transfer the bounding box to node whose function is making 3d object detection on point cloud data from Lidar.

3D Object Detection 3D Object Recognition +6

SOIC: Semantic Online Initialization and Calibration for LiDAR and Camera

no code implementations9 Mar 2020 Weimin Wang, Shohei Nobuhara, Ryosuke Nakamura, Ken Sakurada

This paper presents a novel semantic-based online extrinsic calibration approach, SOIC (so, I see), for Light Detection and Ranging (LiDAR) and camera sensors.

Weighted boxes fusion: Ensembling boxes from different object detection models

10 code implementations29 Oct 2019 Roman Solovyev, Weimin WANG, Tatiana Gabruseva

In this work, we present a novel method for combining predictions of object detection models: weighted boxes fusion.

Object object-detection +1

Acoustic scene analysis with multi-head attention networks

1 code implementation16 Sep 2019 Weimin Wang, Weiran Wang, Ming Sun, Chao Wang

Acoustic Scene Classification (ASC) is a challenging task, as a single scene may involve multiple events that contain complex sound patterns.

Acoustic Scene Classification General Classification +1

Neural Style Transfer for Point Clouds

no code implementations14 Mar 2019 Xu Cao, Weimin WANG, Katashi Nagao

How can we edit or transform the geometric or color property of a point cloud?

Style Transfer

Weakly Supervised Silhouette-based Semantic Scene Change Detection

1 code implementation29 Nov 2018 Ken Sakurada, Mikiya Shibuya, Weimin WANG

A straightforward approach for this task is to train a semantic change detection network directly from a large-scale dataset in an end-to-end manner.

Change Detection Scene Change Detection

Dense Optical Flow based Change Detection Network Robust to Difference of Camera Viewpoints

no code implementations8 Dec 2017 Ken Sakurada, Weimin WANG, Nobuo Kawaguchi, Ryosuke Nakamura

This paper presents a novel method for detecting scene changes from a pair of images with a difference of camera viewpoints using a dense optical flow based change detection network.

Change Detection Optical Flow Estimation

Filmy Cloud Removal on Satellite Imagery with Multispectral Conditional Generative Adversarial Nets

no code implementations13 Oct 2017 Kenji Enomoto, Ken Sakurada, Weimin WANG, Hiroshi Fukui, Masashi Matsuoka, Ryosuke Nakamura, Nobuo Kawaguchi

The networks are trained to output images that are close to the ground truth using the images synthesized with clouds over the ground truth as inputs.

Cloud Removal

Reflectance Intensity Assisted Automatic and Accurate Extrinsic Calibration of 3D LiDAR and Panoramic Camera Using a Printed Chessboard

1 code implementation18 Aug 2017 Weimin Wang, Ken Sakurada, Nobuo Kawaguchi

Once the corners of the chessboard in the 3D point cloud are estimated, the extrinsic calibration of the two sensors is converted to a 3D-2D matching problem.

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