Search Results for author: Niki Martinel

Found 19 papers, 5 papers with code

Tracking Skiers from the Top to the Bottom

no code implementations15 Dec 2023 Matteo Dunnhofer, Luca Sordi, Niki Martinel, Christian Micheloni

To enable the study, the largest and most annotated dataset for computer vision in skiing, SkiTB, is introduced.

Visual Object Tracking

UW-ProCCaps: UnderWater Progressive Colourisation with Capsules

no code implementations3 Jul 2023 Rita Pucci, Niki Martinel

The progressive training gives the ground for a generative adversarial routine focused on the refining of colours giving the image bright and saturated colours which bring the image back to life.

UW-CVGAN: UnderWater Image Enhancement with Capsules Vectors Quantization

no code implementations2 Feb 2023 Rita Pucci, Christian Micheloni, Niki Martinel

The degradation in the underwater images is due to wavelength-dependent light attenuation, scattering, and to the diversity of the water types in which they are captured.

Image Enhancement Quantization

TUCaN: Progressively Teaching Colourisation to Capsules

no code implementations29 Jun 2021 Rita Pucci, Niki Martinel

We performed a user study to quantify the perceptual realism of the colourisation results demonstrating: that progressive learning let the TUCaN achieve better colours than the end to end scheme; and pointing out the limitations of the existing evaluation metrics.

Weakly-Supervised Domain Adaptation of Deep Regression Trackers via Reinforced Knowledge Distillation

no code implementations26 Mar 2021 Matteo Dunnhofer, Niki Martinel, Christian Micheloni

Deep regression trackers are among the fastest tracking algorithms available, and therefore suitable for real-time robotic applications.

Domain Adaptation Knowledge Distillation +2

Collaboration among Image and Object Level Features for Image Colourisation

no code implementations19 Jan 2021 Rita Pucci, Christian Micheloni, Niki Martinel

Image colourisation is an ill-posed problem, with multiple correct solutions which depend on the context and object instances present in the input datum.

Object

Is It a Plausible Colour? UCapsNet for Image Colourisation

1 code implementation4 Dec 2020 Rita Pucci, Christian Micheloni, Gian Luca Foresti, Niki Martinel

Different from existing works relying on convolutional neural network models pre-trained with supervision, we cast such colourisation problem as a self-supervised learning task.

Self-Supervised Learning

Tracking-by-Trackers with a Distilled and Reinforced Model

1 code implementation8 Jul 2020 Matteo Dunnhofer, Niki Martinel, Christian Micheloni

Visual object tracking was generally tackled by reasoning independently on fast processing algorithms, accurate online adaptation methods, and fusion of trackers.

Knowledge Distillation Visual Object Tracking +1

An Efficient UAV-based Artificial Intelligence Framework for Real-Time Visual Tasks

no code implementations13 Apr 2020 Enkhtogtokh Togootogtokh, Christian Micheloni, Gian Luca Foresti, Niki Martinel

In this paper we focus on this challenge and introduce a multi-layer AI (MLAI) framework to allow easy integration of ad-hoc visual-based AI applications.

object-detection Object Detection

Video-Based Convolutional Attention for Person Re-Identification

no code implementations26 Sep 2019 Marco Zamprogno, Marco Passon, Niki Martinel, Giuseppe Serra, Giuseppe Lancioni, Christian Micheloni, Carlo Tasso, Gian Luca Foresti

In this paper we consider the problem of video-based person re-identification, which is the task of associating videos of the same person captured by different and non-overlapping cameras.

Video-Based Person Re-Identification

The UMCD Dataset

no code implementations5 Apr 2017 Danilo Avola, Gian Luca Foresti, Niki Martinel, Daniele Pannone, Claudio Piciarelli

In recent years, the technological improvements of low-cost small-scale Unmanned Aerial Vehicles (UAVs) are promoting an ever-increasing use of them in different tasks.

Change Detection General Classification

Wide-Slice Residual Networks for Food Recognition

4 code implementations20 Dec 2016 Niki Martinel, Gian Luca Foresti, Christian Micheloni

We believe that better results can be obtained if the deep architecture is defined with respect to an analysis of the food composition.

Image Classification

Person Re-Identification Ranking Optimisation by Discriminant Context Information Analysis

no code implementations ICCV 2015 Jorge Garcia, Niki Martinel, Christian Micheloni, Alfredo Gardel

In this paper, we focus on such a problem and introduce an unsupervised ranking optimization approach based on discriminant context information analysis.

Metric Learning Person Re-Identification

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