User profiles for Noelia Vállez

Noelia Vállez

Universidad de Castilla - La Mancha
Verified email at uclm.es
Cited by 847

Handgun detection using combined human pose and weapon appearance

J Ruiz-Santaquiteria, A Velasco-Mata, N Vallez… - IEEE …, 2021 - ieeexplore.ieee.org
Closed-circuit television (CCTV) systems are essential nowadays to prevent security threats
or dangerous situations, in which early detection is crucial. Novel deep learning-based …

Semantic versus instance segmentation in microscopic algae detection

…, G Bueno, O Deniz, N Vallez… - … Applications of Artificial …, 2020 - Elsevier
Microscopic algae segmentation, specifically of diatoms, is an essential procedure for water
quality assessment. The segmentation of these microalgae is still a challenge for computer …

Using human pose information for handgun detection

A Velasco-Mata, J Ruiz-Santaquiteria, N Vallez… - Neural Computing and …, 2021 - Springer
Fast automatic handgun detection can be very useful to avoid or mitigate risks in public
spaces. Detectors based on deep learning methods have been proposed in the literature to …

Breast density classification to reduce false positives in CADe systems

N Vállez, G Bueno, O Déniz, J Dorado… - Computer methods and …, 2014 - Elsevier
This paper describes a novel weighted voting tree classification scheme for breast density
classification. Breast parenchymal density is an important risk factor in breast cancer. …

[HTML][HTML] Improving handgun detection through a combination of visual features and body pose-based data

J Ruiz-Santaquiteria, A Velasco-Mata, N Vallez… - Pattern Recognition, 2023 - Elsevier
Early detection of the presence of dangerous objects such as handguns in Closed-Circuit
Television (CCTV) images is vital to reduce the potential damage. In this work, a novel method …

Robustness to adversarial examples can be improved with overfitting

O Deniz, A Pedraza, N Vallez, J Salido… - International Journal of …, 2020 - Springer
Deep learning (henceforth DL) has become most powerful machine learning methodology.
Under specific circumstances recognition rates even surpass those obtained by humans. …

[HTML][HTML] Comparison of deep learning models for digital H&E staining from unpaired label-free multispectral microscopy images

J Salido, N Vallez, L González-López, O Deniz… - Computer Methods and …, 2023 - Elsevier
Background and objective: This paper presents the quantitative comparison of three
generative models of digital staining, also known as virtual staining, in H&E modality (ie, …

BUS-UCLM: Breast ultrasound lesion segmentation dataset

N Vallez, G Bueno, O Deniz, MA Rienda, C Pastor - Scientific Data, 2025 - nature.com
This dataset comprises 38 breast ultrasound scans from patients, encompassing a total of
683 images. The scans were conducted using a Siemens ACUSON S2000TM Ultrasound …

An automated system for whole microscopic image acquisition and analysis

…, MDM Fernández‐Carrobles, N Vállez… - Microscopy research …, 2014 - Wiley Online Library
The field of anatomic pathology has experienced major changes over the last decade. Virtual
microscopy (VM) systems have allowed experts in pathology and other biomedical areas to …

Deep autoencoder for false positive reduction in handgun detection

N Vallez, A Velasco-Mata, O Deniz - Neural Computing and Applications, 2021 - Springer
In an object detection system, the main objective during training is to maintain the detection
and false positive rates under acceptable levels when the model is run over the test set. …