Search Results for author: Arie Kaufman

Found 15 papers, 5 papers with code

RT-GAN: Recurrent Temporal GAN for Adding Lightweight Temporal Consistency to Frame-Based Domain Translation Approaches

1 code implementation2 Oct 2023 Shawn Mathew, Saad Nadeem, Alvin C. Goh, Arie Kaufman

In this paper, we present a lightweight solution with a tunable temporal parameter, RT-GAN (Recurrent Temporal GAN), for adding temporal consistency to individual frame-based approaches that reduces training requirements by a factor of 5.

Video Generation

CLTS-GAN: Color-Lighting-Texture-Specular Reflection Augmentation for Colonoscopy

1 code implementation29 Jun 2022 Shawn Mathew, Saad Nadeem, Arie Kaufman

Automated analysis of optical colonoscopy (OC) video frames (to assist endoscopists during OC) is challenging due to variations in color, lighting, texture, and specular reflections.

FoldIt: Haustral Folds Detection and Segmentation in Colonoscopy Videos

1 code implementation23 Jun 2021 Shawn Mathew, Saad Nadeem, Arie Kaufman

Haustral folds are colon wall protrusions implicated for high polyp miss rate during optical colonoscopy procedures.

Generative Adversarial Network Translation

Visualizing Missing Surfaces In Colonoscopy Videos using Shared Latent Space Representations

1 code implementation18 Jan 2021 Shawn Mathew, Saad Nadeem, Arie Kaufman

This shared latent space captures the geometric information while deferring the color, texture, and specular information creation to additional Gaussian noise input.

Image-to-Image Translation Translation

Augmenting Colonoscopy using Extended and Directional CycleGAN for Lossy Image Translation

1 code implementation27 Mar 2020 Shawn Mathew, Saad Nadeem, Sruti Kumari, Arie Kaufman

In this paper, we present a deep learning framework, Extended and Directional CycleGAN, for lossy unpaired image-to-image translation between OC and VC to augment OC video sequences with scale-consistent depth information from VC, and augment VC with patient-specific textures, color and specular highlights from OC (e. g, for realistic polyp synthesis).

Image-to-Image Translation Translation

Visualization Framework for Colonoscopy Videos

no code implementations21 Oct 2018 Saad Nadeem, Arie Kaufman

We present a visualization framework for annotating and comparing colonoscopy videos, where these annotations can then be used for semi-automatic report generation at the end of the procedure.

C2A: Crowd Consensus Analytics for Virtual Colonoscopy

no code implementations21 Oct 2018 Ji Hwan Park, Saad Nadeem, Seyedkoosha Mirhosseini, Arie Kaufman

In particular, C$^2$A is used to analyze and explore crowd responses on video segments, created from fly-throughs in the virtual colon.

Corresponding Supine and Prone Colon Visualization Using Eigenfunction Analysis and Fold Modeling

no code implementations20 Oct 2018 Saad Nadeem, Joseph Marino, Xianfeng GU, Arie Kaufman

The use of Fiedler vectors and the segmented folds presents a precise way of visualizing corresponding regions across datasets and visual modalities.

FeatureLego: Volume Exploration Using Exhaustive Clustering of Super-Voxels

no code implementations11 Oct 2018 Shreeraj Jadhav, Saad Nadeem, Arie Kaufman

We then perform an exhaustive clustering of these super-voxels using a graph-based clustering method.

Clustering

Crowdsourcing Lung Nodules Detection and Annotation

no code implementations17 Sep 2018 Saeed Boorboor, Saad Nadeem, Ji Hwan Park, Kevin Baker, Arie Kaufman

More specifically, a complete workflow is introduced which can help maximize the sensitivity of lung nodule detection by utilizing the collective intelligence of the crowd.

Computed Tomography (CT) Lung Nodule Detection

Crowd-Assisted Polyp Annotation of Virtual Colonoscopy Videos

no code implementations17 Sep 2018 Ji Hwan Park, Saad Nadeem, Joseph Marino, Kevin Baker, Matthew Barish, Arie Kaufman

Virtual colonoscopy (VC) allows a radiologist to navigate through a 3D colon model reconstructed from a computed tomography scan of the abdomen, looking for polyps, the precursors of colon cancer.

Navigate

LMap: Shape-Preserving Local Mappings for Biomedical Visualization

no code implementations17 Sep 2018 Saad Nadeem, Xianfeng GU, Arie Kaufman

In this paper, we present a shape-preserving local mapping technique for resolving occlusions locally while preserving the overall geometric context.

Radiative Transport Based Flame Volume Reconstruction from Videos

no code implementations17 Sep 2018 Liang Shen, Dengming Zhu, Saad Nadeem, Zhaoqi Wang, Arie Kaufman

The approach includes an economical data capture technique using inexpensive CCD cameras.

Depth Reconstruction and Computer-Aided Polyp Detection in Optical Colonoscopy Video Frames

no code implementations5 Sep 2016 Saad Nadeem, Arie Kaufman

We present a computer-aided detection algorithm for polyps in optical colonoscopy images.

Specificity

Anatomical Feature-guided Volumeric Registration of Multimodal Prostate MRI

no code implementations6 Jul 2013 Xin Zhao, Arie Kaufman

Prostate scans of the same patient taken in three different orientations are first aligned for the accurate detection of anatomical features in 3D.

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