Search Results for author: Ebroul Izquierdo

Found 13 papers, 3 papers with code

Efficient Convolution and Transformer-Based Network for Video Frame Interpolation

no code implementations12 Jul 2023 Issa Khalifeh, Luka Murn, Marta Mrak, Ebroul Izquierdo

This network reduces the memory burden by close to 50% and runs up to four times faster during inference time compared to existing transformer-based interpolation methods.

Video Frame Interpolation

Multi-encoder Network for Parameter Reduction of a Kernel-based Interpolation Architecture

no code implementations13 May 2022 Issa Khalifeh, Marc Gorriz Blanch, Ebroul Izquierdo, Marta Mrak

Despite all the benefits interpolation methods offer, many of these networks require a lot of parameters, with more parameters meaning a heavier computational burden.

Video Frame Interpolation

Complexity Reduction of Learned In-Loop Filtering in Video Coding

no code implementations16 Mar 2022 Woody Bayliss, Luka Murn, Ebroul Izquierdo, Qianni Zhang, Marta Mrak

In video coding, in-loop filters are applied on reconstructed video frames to enhance their perceptual quality, before storing the frames for output.

Analytic Simplification of Neural Network based Intra-Prediction Modes for Video Compression

no code implementations23 Apr 2020 Maria Santamaria, Saverio Blasi, Ebroul Izquierdo, Marta Mrak

With the increasing demand for video content at higher resolutions, it is evermore critical to find ways to limit the complexity of video encoding tasks in order to reduce costs, power consumption and environmental impact of video services.

Video Compression

Estimation of Rate Control Parameters for Video Coding Using CNN

1 code implementation13 Mar 2020 Maria Santamaria, Ebroul Izquierdo, Saverio Blasi, Marta Mrak

As reference frames are essential for exploiting temporal redundancies, intra frames are usually assigned a larger portion of the available bits.

Advanced Super-Resolution using Lossless Pooling Convolutional Networks

1 code implementation14 Dec 2018 Farzad Toutounchi, Ebroul Izquierdo

In this paper, we present a novel deep learning-based approach for still image super-resolution, that unlike the mainstream models does not rely solely on the input low resolution image for high quality upsampling, and takes advantage of a set of artificially created auxiliary self-replicas of the input image that are incorporated in the neural network to create an enhanced and accurate upscaling scheme.

Image Super-Resolution

QCBA: Improving Rule Classifiers Learned from Quantitative Data by Recovering Information Lost by Discretisation

1 code implementation28 Nov 2017 Tomas Kliegr, Ebroul Izquierdo

A prediscretisation of numerical attributes which is required by some rule learning algorithms is a source of inefficiencies.

Anomaly Detection Classification +1

Content-Adaptive Sketch Portrait Generation by Decompositional Representation Learning

no code implementations4 Oct 2017 Dongyu Zhang, Liang Lin, Tianshui Chen, Xian Wu, Wenwei Tan, Ebroul Izquierdo

Sketch portrait generation benefits a wide range of applications such as digital entertainment and law enforcement.

Representation Learning

Deep Co-Space: Sample Mining Across Feature Transformation for Semi-Supervised Learning

no code implementations28 Jul 2017 Ziliang Chen, Keze Wang, Xiao Wang, Pai Peng, Ebroul Izquierdo, Liang Lin

Aiming at improving performance of visual classification in a cost-effective manner, this paper proposes an incremental semi-supervised learning paradigm called Deep Co-Space (DCS).

Classification General Classification +1

CUNet: A Compact Unsupervised Network for Image Classification

no code implementations6 Jul 2016 Le Dong, Ling He, Gaipeng Kong, Qianni Zhang, Xiaochun Cao, Ebroul Izquierdo

In this paper, we propose a compact network called CUNet (compact unsupervised network) to counter the image classification challenge.

Classification General Classification +1

Approximated Robust Principal Component Analysis for Improved General Scene Background Subtraction

no code implementations18 Mar 2016 Salehe Erfanian Ebadi, Valia Guerra Ones, Ebroul Izquierdo

This article addresses a few critical issues including: embedding global motion parameters in the matrix decomposition model, i. e., estimation of global motion parameters simultaneously with the foreground/background separation task, considering matrix block-sparsity rather than generic matrix sparsity as natural feature in video processing applications, attenuating background ghosting effects when foreground is subtracted, and more critically providing an extremely efficient algorithm to solve the low-rank/sparse matrix decomposition task.

Reflection Invariance: an important consideration of image orientation

no code implementations8 Jun 2015 Craig Henderson, Ebroul Izquierdo

In this position paper, we consider the state of computer vision research with respect to invariance to the horizontal orientation of an image -- what we term reflection invariance.

General Classification object-detection +3

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