activity
20122023
most citedNearest Neighbor Value Interpolation

251 citations · 404 across the 13 of their papers we have counts for

collaborators

14 papers

eess.IV2023★ 7 cited

Evaluation of Extra Pixel Interpolation with Mask Processing for Medical Image Segmentation with Deep Learning

Olivier Rukundo

Current mask processing operations rely on interpolation algorithms that do not produce extra pixels, such as nearest neighbor (NN) interpolation, as opposed to algorithms that do…

cs.GR2021★ 4 cited

Stochastic Rounding for Image Interpolation and Scan Conversion

Olivier Rukundo, Samuel Emil Schmidt

The stochastic rounding (SR) function is proposed to evaluate and demonstrate the effects of stochastically rounding row and column subscripts in image interpolation and scan conve…

eess.IV2021★ 14 cited

Advances on image interpolation based on ant colony algorithm

Olivier Rukundo, Hanqiang Cao

This paper presents an advance on image interpolation based on ant colony algorithm (AACA) for high-resolution image scaling. The difference between the proposed algorithm and the…

eess.IV2021★ 14 cited

Advanced Image Enhancement Method for Distant Vessels and Structures in Capsule Endoscopy

Olivier Rukundo, Marius Pedersen, Øistein Hovde

This paper proposes an advanced method for contrast enhancement of capsule endoscopic images, with the main objective to obtain sufficient information about the vessels and structu…

math.NA2021★ 7 cited

Effects of Improved Floor Function on the Accuracy of Bilinear Interpolation Algorithm

Olivier Rukundo

In this study, the standard IEEE 754 2008 and modulo-based floor functions for rounding non-integers have been presented. Their effects on the accuracy of the bilinear interpolatio…

cs.CV2021★ 5 cited

Challenges of 3D Surface Reconstruction in Capsule Endoscopy

Olivier Rukundo

Essential for improving the accuracy and reliability of bowel cancer screening, three-dimensional (3D) surface reconstruction using capsule endoscopy (CE) images remains challengin…

cs.CV2021★ 72 cited

Effects of Image Size on Deep Learning

Olivier Rukundo

In this work, the best size for late gadolinium enhancement (LGE) magnetic resonance imaging (MRI) images in the training dataset was determined to optimize deep learning training…

eess.IV2020

Evaluation of deep learning-based myocardial infarction quantification using Segment CMR software

Olivier Rukundo

This work evaluates deep learning-based myocardial infarction (MI) quantification using Segment cardiovascular magnetic resonance (CMR) software. Segment CMR software incorporates…

eess.IV2020

Effect of the regularization hyperparameter on deep learning-based segmentation in LGE-MRI

Olivier Rukundo

The extent to which the arbitrarily selected L2 regularization hyperparameter value affects the outcome of semantic segmentation with deep learning is demonstrated. Demonstrations…

cs.GR2020★ 10 cited

Normalized Weighting Schemes for Image Interpolation Algorithms

Olivier Rukundo

Image interpolation algorithms pervade many modern image processing and analysis applications. However, when their weighting schemes inefficiently generate very unrealistic estimat…

cs.GR2020★ 2 cited

Software Implementation of Optimized Bicubic Interpolated Scan Conversion in Echocardiography

Olivier Rukundo, Samuel E. Schmidt, Olaf T von Ramm

This paper introduces a novel approach leveraging objective image quality assessment (IQA) metrics to optimize the outcomes of traditional bicubic (BIC) image interpolation and int…

cs.CV2020★ 18 cited

Evaluation of Rounding Functions in Nearest-Neighbor Interpolation

Olivier Rukundo

A novel evaluation study of the most appropriate round function for nearest-neighbor (NN) image interpolation is presented. Evaluated rounding functions are selected among the five…

cs.CV2019

4X4 Census Transform

Olivier Rukundo

This paper proposes a 4X4 Census Transform (4X4CT) to encourage further research in computer vision and visual computing. Unlike the traditional 3X3 CT which uses a nine pixels ker…

cs.GR2012★ 251 cited

Nearest Neighbor Value Interpolation

Olivier Rukundo, Hanqiang Cao

This paper presents the nearest neighbor value (NNV) algorithm for high resolution (H.R.) image interpolation. The difference between the proposed algorithm and conventional neares…