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Related papers: Depth estimation of endoscopy using sim-to-real tr…

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In this work, we exploit a depth estimation Fully Convolutional Residual Neural Network (FCRN) for in-air perspective images to estimate the depth of underwater perspective and omni-directional images. We train one conventional and one…

Computer Vision and Pattern Recognition · Computer Science 2019-05-24 Haofei Kuang , Qingwen Xu , Sören Schwertfeger

In this paper we propose a method for estimating depth from a single image using a coarse to fine approach. We argue that modeling the fine depth details is easier after a coarse depth map has been computed. We express a global (coarse)…

Computer Vision and Pattern Recognition · Computer Science 2016-02-10 Mohammad Haris Baig , Lorenzo Torresani

In this paper, we propose a deep convolutional neural network for learning the embeddings of images in order to capture the notion of visual similarity. We present a deep siamese architecture that when trained on positive and negative pairs…

Computer Vision and Pattern Recognition · Computer Science 2019-01-14 Rishab Sharma , Anirudha Vishvakarma

Monocular depth estimation has shown promise in general imaging tasks, aiding in localization and 3D reconstruction. While effective in various domains, its application to bronchoscopic images is hindered by the lack of labeled data,…

Image and Video Processing · Electrical Eng. & Systems 2024-11-08 Qingyao Tian , Huai Liao , Xinyan Huang , Lujie Li , Hongbin Liu

In this study, we address the key challenges concerning the accuracy and effectiveness of depth estimation for endoscopic imaging, with a particular emphasis on real-time inference and the impact of light reflections. We propose a novel…

Computer Vision and Pattern Recognition · Computer Science 2024-02-14 Yangke Li

Early diagnosis is essential for the successful treatment of bowel cancers including colorectal cancer (CRC) and capsule endoscopic imaging with robotic actuation can be a valuable diagnostic tool when combined with automated image…

We consider image classification with estimated depth. This problem falls into the domain of transfer learning, since we are using a model trained on a set of depth images to generate depth maps (additional features) for use in another…

Computer Vision and Pattern Recognition · Computer Science 2017-09-22 Yihui He

Modern computer vision has moved beyond the domain of internet photo collections and into the physical world, guiding camera-equipped robots and autonomous cars through unstructured environments. To enable these embodied agents to interact…

Computer Vision and Pattern Recognition · Computer Science 2022-08-30 Igor Vasiljevic

Our demonstration shows a system that estimates internal body structures from 3D surface models using deep convolutional neural networks trained on CT (computed tomography) images of the human body. To take pictures of structures inside the…

Computer Vision and Pattern Recognition · Computer Science 2018-01-08 Takumi Moriya , Kazuyuki Saito , Hiroya Tanaka

We propose to combine recent Convolutional Neural Networks (CNN) models with depth imaging to obtain a reliable and fast multi-person pose estimation algorithm applicable to Human Robot Interaction (HRI) scenarios. Our hypothesis is that…

Computer Vision and Pattern Recognition · Computer Science 2019-10-31 Angel Martínez-González , Michael Villamizar , Olivier Canévet , Jean-Marc Odobez

Cameras and 2D laser scanners, in combination, are able to provide low-cost, light-weight and accurate solutions, which make their fusion well-suited for many robot navigation tasks. However, correct data fusion depends on precise…

Robotics · Computer Science 2019-08-02 Michelle Valente , Cyril Joly , Arnaud de La Fortelle

Dense depth estimation and 3D reconstruction of a surgical scene are crucial steps in computer assisted surgery. Recent work has shown that depth estimation from a stereo images pair could be solved with convolutional neural networks.…

Image and Video Processing · Electrical Eng. & Systems 2021-07-24 Baoru Huang , Jianqing Zheng , Anh Nguyen , David Tuch , Kunal Vyas , Stamatia Giannarou , Daniel S. Elson

Ultrasound simulation based on ray tracing enables the synthesis of highly realistic images. It can provide an interactive environment for training sonographers as an educational tool. However, due to high computational demand, there is a…

Computer Vision and Pattern Recognition · Computer Science 2020-06-22 Lin Zhang , Tiziano Portenier , Christoph Paulus , Orcun Goksel

Estimation of optical aberrations from volumetric intensity images is a key step in sensorless adaptive optics for 3D microscopy. Recent approaches based on deep learning promise accurate results at fast processing speeds. However,…

Image and Video Processing · Electrical Eng. & Systems 2020-10-28 Debayan Saha , Uwe Schmidt , Qinrong Zhang , Aurelien Barbotin , Qi Hu , Na Ji , Martin J. Booth , Martin Weigert , Eugene W. Myers

Endoscopy is a valuable tool for the early diagnosis of colon cancer. However, it requires the expertise of endoscopists and is a time-consuming process. In this work, we propose a new multi-label classification method, which considers two…

Image and Video Processing · Electrical Eng. & Systems 2023-03-14 Zahra Sobhaninia , Nasrin Abharian , Nader Karimi , Shahram Shirani , Shadrokh Samavi

Recently, more and more attention is drawn to the field of medical image synthesis across modalities. Among them, the synthesis of computed tomography (CT) image from T1-weighted magnetic resonance (MR) image is of great importance,…

Computer Vision and Pattern Recognition · Computer Science 2017-11-10 Lei Xiang , Qian Wang , Xiyao Jin , Dong Nie , Yu Qiao , Dinggang Shen

Denoising is a fundamental challenge in scientific imaging. Deep convolutional neural networks (CNNs) provide the current state of the art in denoising natural images, where they produce impressive results. However, their potential has…

Computer Vision and Pattern Recognition · Computer Science 2024-11-05 Sreyas Mohan , Ramon Manzorro , Joshua L. Vincent , Binh Tang , Dev Yashpal Sheth , Eero P. Simoncelli , David S. Matteson , Peter A. Crozier , Carlos Fernandez-Granda

In many clinical settings, the use of both Computed Tomography (CT) and Magnetic Resonance (MRI) is necessary to pursue a thorough understanding of the patient's anatomy and to plan a suitable therapeutical strategy; this is often the case…

Image and Video Processing · Electrical Eng. & Systems 2024-07-16 Leonardo Crespi , Samuele Camnasio , Damiano Dei , Nicola Lambri , Pietro Mancosu , Marta Scorsetti , Daniele Loiacono

All the existing image steganography methods use manually crafted features to hide binary payloads into cover images. This leads to small payload capacity and image distortion. Here we propose a convolutional neural network based…

Multimedia · Computer Science 2017-11-21 Atique ur Rehman , Rafia Rahim , M Shahroz Nadeem , Sibt ul Hussain

There has been considerable interest in the MR physics-based simulation of a database of virtual cardiac MR images for the development of deep-learning analysis networks. However, the employment of such a database is limited or shows…

Image and Video Processing · Electrical Eng. & Systems 2022-08-10 Sina Amirrajab , Yasmina Al Khalil , Cristian Lorenz , Jurgen Weese , Josien Pluim , Marcel Breeuwer