Animal Science and Zoology, Computer Vision and Pattern Recognition, Artificial Intelligence
9
Scopus Publications
314
Scholar Citations
6
Scholar h-index
5
Scholar i10-index
Scopus Publications
A New Siamese Network Loss for Cattle Facial Recognition in a Few-Shot Learning Scenario João Porto, Gabriel Higa, Vanessa Weber, Fabrício Weber, Newton Loebens, et al. Agriengineering, 2024 This study explores the use of a Siamese neural network architecture to enhance classification performance in few-shot learning scenarios, with a focus on bovine facial recognition. Traditional methodologies often require large datasets, which can significantly stress animals during data collection. In contrast, the proposed method aims to reduce the number of images needed, thereby minimizing animal stress. Systematic experiments conducted on datasets representing both full and few-shot learning scenarios revealed that the Siamese network consistently outperforms traditional models, such as ResNet101. It achieved notable improvements, with mean values increasing by over 6.5% and standard deviations decreasing by at least 0.010 compared to the ResNet101 baseline. These results highlight the Siamese network’s robustness and consistency, even in resource-constrained environments, and suggest that it offers a promising solution for enhancing model performance with fewer data and reduced animal stress, despite its slower training speed.
Counting cattle in UAV images using convolutional neural network Fabricio de Lima Weber, Vanessa Aparecida de Moraes Weber, Pedro Henrique de Moraes, Edson Takashi Matsubara, Débora Maria Barroso Paiva, et al. Remote Sensing Applications Society and Environment, 2023
Prediction of Girolando cattle weight by means of body measurements extracted from images Vanessa Aparecida de Moraes Weber, Fabricio de Lima Weber, Rodrigo da Costa Gomes, Adair da Silva Oliveira, Geazy Vilharva Menezes, et al. Revista Brasileira De Zootecnia, 2020 The objective with this study was to analyze the body measurements of Girolando cattle, as well as measurements extracted from their images, to generate a model to understand which measures further explain the cattle body weight. Therefore, the experiment physically measured 34 Girolando cattle (two males and 32 females), for the following traits: heart girth (HGP), circumference of the abdomen, body length, occipito-ischial length, wither height, and hip height. In addition, images of the dorsum and the body lateral [...]
Use of computational vision and UAVs in livestock: A Literature review Fabricio de Lima Weber, Maria Istela Cagnin, Débora Maria Barroso Paiva, Vanessa Aparecida de Moraes Weber, Sérgio Raposo de Medeiros, et al. Iberian Conference on Information Systems and Technologies Cisti, 2019 New technologies have been developed with the objective of supporting the activity of livestock. Within these technologies, the computational vision stands out by defining techniques and developing tools in order to allow automatic analysis of images, such as those captured by UAVs (Unmanned Aerial Vehicles). These can be used for different purposes in livestock precision such as identification and counting of the animals. This paper presents the results of a literature review about the use of UAVs and computational vision to support livestock activities with the objective of identifying, cataloging and classifying the existing works in this context.
Software for automatic evaluation of stretch marks Victor Borges Jussiani, Hemerson Pistori, Alessandro dos Santos Ferreira, Gercina Gonçalves da Silva, Fabíola Picosse, et al. Iberian Conference on Information Systems and Technologies Cisti, 2019 Considering that the current protocols in the evaluation of stretch marks are based on the visual clinical examination of the striated skin and in the measure of the same, this article aims to assist the professionals of the dermatology through data for decision making in the diagnosis and follow-up of the treatment of the striations . In order to do so, a software supported by computational vision and machine learning techniques was developed, aiming to collect images and analyze them to identify striae. From a database of images annotated by specialists in dermatology, color and texture attributes of the segments were extracted, which were later classified by the Random Forest algorithm, which presented a 99.92% correct classification of the striae. In addition, metrics were analyzed that indicated that although the streak superpixels were correctly classified, other classes were classified incorrectly.
RECENT SCHOLAR PUBLICATIONS
Bovine facial recognition through muzzles VA Andrade Porto, K. R., de Andrade Porto, J. V., de Lima Weber, F ... Academia AI and Applications 2 (1) , 2026 2026
A new Siamese network loss for cattle facial recognition in a Few-Shot learning scenario J Porto, G Higa, V Weber, F Weber, N Loebens, P Claure, L de Almeida, ... AgriEngineering 6 (3), 2941-2954 , 2024 2024 Citations: 4
Exploring cluster analysis in Nelore cattle visual score attribution A de Oliveira Bezerra, VA de Moraes Weber, F de Lima Weber, ... Smart Agricultural Technology 8, 100489 , 2024 2024 Citations: 3
Andrological classification of bulls evaluated by machine learning. SA Isler, UGP de ABREU, E NOGUEIRA, VAM WEBER, FO PEDRO, ... 2024
Classificação andrológica de touros avaliada por machine learning. SA ISLER, UGP de ABREU, E NOGUEIRA, VAM WEBER, FO PEDRO, ... 2024
Supervised computer vision system for weight group classification of fingerlings A da SO Junior, AKV da Silva, MCB Pache, DA Sant’Ana, AM Carneiro, ... Workshop de Visão Computacional (WVC), 142-147 , 2023 2023
Counting cattle in UAV images using convolutional neural network F de Lima Weber, VA de Moraes Weber, PH de Moraes, ET Matsubara, ... Remote Sensing Applications: Society and Environment 29, 100900 , 2023 2023 Citations: 40
Fingerlings mass estimation: A comparison between deep and shallow learning algorithms ASO Junior, DA Sant’Ana, MCB Pache, V Garcia, VA de Moares Weber, ... Smart Agricultural Technology 1, 100020 , 2021 2021 Citations: 13
An Investigation of Parameter Optimization in Fingerling Counting Problems ASO Junior, MCB Pache, FPC Rezende, DA Sant’Ana, ... Workshop de Visão Computacional (WVC), 7-12 , 2021 2021
Cattle weight estimation using active contour models and regression trees Bagging VAM Weber, F de Lima Weber, A da Silva Oliveira, G Astolfi, GV Menezes, ... Computers and electronics in agriculture 179, 105804 , 2020 2020 Citations: 87
Recognition of Pantaneira cattle breed using computer vision and convolutional neural networks F de Lima Weber, VA de Moraes Weber, GV Menezes, ASO Junior, ... Computers and Electronics in Agriculture 175, 105548 , 2020 2020 Citations: 72
A. d. SO Junior, DA Alves, MVM de Oliveira, ET Matsubara, H. Pistori, and UGP de Abreu,“Recognition of pantaneira cattle breed using computer vision and convolutional neural … F de Lima Weber, VA de Moraes Weber, GV Menezes Computers and Electronics in Agriculture 175, 105548 , 2020 2020 Citations: 5
Prediction of Girolando cattle weight by means of body measurements extracted from images VAM Weber, FL Weber, RC Gomes, AS Oliveira Junior, GV Menezes, ... Revista Brasileira de Zootecnia 49, e20190110 , 2020 2020 Citations: 82
Determination of number of termite mounds supported by computational vision VA de Moraes Weber, F de Lima Weber, E Silveira, GL de Oliveira, ... Workshop de Visão Computacional (WVC), 85-90 , 2019 2019 Citations: 1
2D4D Reader FL WEBER, VAM Weber, H PISTORI, AS OLIVEIRA JUNIOR, ... BR Patent BR5120190010-4 , 2019 2019
Reconhecimento de bovino pantaneiro utilizando visão computacional através da rede neural convolucional: resultados preliminares. FL WEBER, VAM WEBER, G MENEZES, AS OLIVEIRA JUNIOR, ... 2019 Citations: 1
Sistematizando Práticas para Administrar CRM da Silva 2019
Utilização de visão computacional e VANTs na pecuária: uma revisão da literatura Use of computational vision and UAVs in livestock F de Lima Weber, MI Cagnin, DMB Paiva, U Facom, G do Sul, ... 14th Iberian Conference on Information Systems and Technologies (CISTI … , 2019 2019 Citations: 6
Software para Avaliação Automática de Estrias Software for Automatic Evaluation of Stretch Marks VB Jussiani, H Pistori, U Agropecuária, A Ferreira dos Santos, ... 2019
Identificação de bovinos das raças Nelore e Girolando usando redes neurais profundas F de Lima Weber, V Aparecida de Moraes Weber, H Pistori, ... Anais do Encontro Científico da Zootecnia UEMS 1 (1) , 2018 2018
MOST CITED SCHOLAR PUBLICATIONS
Cattle weight estimation using active contour models and regression trees Bagging VAM Weber, F de Lima Weber, A da Silva Oliveira, G Astolfi, GV Menezes, ... Computers and electronics in agriculture 179, 105804 , 2020 2020 Citations: 87
Prediction of Girolando cattle weight by means of body measurements extracted from images VAM Weber, FL Weber, RC Gomes, AS Oliveira Junior, GV Menezes, ... Revista Brasileira de Zootecnia 49, e20190110 , 2020 2020 Citations: 82
Recognition of Pantaneira cattle breed using computer vision and convolutional neural networks F de Lima Weber, VA de Moraes Weber, GV Menezes, ASO Junior, ... Computers and Electronics in Agriculture 175, 105548 , 2020 2020 Citations: 72
Counting cattle in UAV images using convolutional neural network F de Lima Weber, VA de Moraes Weber, PH de Moraes, ET Matsubara, ... Remote Sensing Applications: Society and Environment 29, 100900 , 2023 2023 Citations: 40
Fingerlings mass estimation: A comparison between deep and shallow learning algorithms ASO Junior, DA Sant’Ana, MCB Pache, V Garcia, VA de Moares Weber, ... Smart Agricultural Technology 1, 100020 , 2021 2021 Citations: 13
Utilização de visão computacional e VANTs na pecuária: uma revisão da literatura Use of computational vision and UAVs in livestock F de Lima Weber, MI Cagnin, DMB Paiva, U Facom, G do Sul, ... 14th Iberian Conference on Information Systems and Technologies (CISTI … , 2019 2019 Citations: 6
A. d. SO Junior, DA Alves, MVM de Oliveira, ET Matsubara, H. Pistori, and UGP de Abreu,“Recognition of pantaneira cattle breed using computer vision and convolutional neural … F de Lima Weber, VA de Moraes Weber, GV Menezes Computers and Electronics in Agriculture 175, 105548 , 2020 2020 Citations: 5
A new Siamese network loss for cattle facial recognition in a Few-Shot learning scenario J Porto, G Higa, V Weber, F Weber, N Loebens, P Claure, L de Almeida, ... AgriEngineering 6 (3), 2941-2954 , 2024 2024 Citations: 4
Exploring cluster analysis in Nelore cattle visual score attribution A de Oliveira Bezerra, VA de Moraes Weber, F de Lima Weber, ... Smart Agricultural Technology 8, 100489 , 2024 2024 Citations: 3
Determination of number of termite mounds supported by computational vision VA de Moraes Weber, F de Lima Weber, E Silveira, GL de Oliveira, ... Workshop de Visão Computacional (WVC), 85-90 , 2019 2019 Citations: 1
Reconhecimento de bovino pantaneiro utilizando visão computacional através da rede neural convolucional: resultados preliminares. FL WEBER, VAM WEBER, G MENEZES, AS OLIVEIRA JUNIOR, ... 2019 Citations: 1
Bovine facial recognition through muzzles VA Andrade Porto, K. R., de Andrade Porto, J. V., de Lima Weber, F ... Academia AI and Applications 2 (1) , 2026 2026
Andrological classification of bulls evaluated by machine learning. SA Isler, UGP de ABREU, E NOGUEIRA, VAM WEBER, FO PEDRO, ... 2024
Classificação andrológica de touros avaliada por machine learning. SA ISLER, UGP de ABREU, E NOGUEIRA, VAM WEBER, FO PEDRO, ... 2024
Supervised computer vision system for weight group classification of fingerlings A da SO Junior, AKV da Silva, MCB Pache, DA Sant’Ana, AM Carneiro, ... Workshop de Visão Computacional (WVC), 142-147 , 2023 2023
An Investigation of Parameter Optimization in Fingerling Counting Problems ASO Junior, MCB Pache, FPC Rezende, DA Sant’Ana, ... Workshop de Visão Computacional (WVC), 7-12 , 2021 2021
2D4D Reader FL WEBER, VAM Weber, H PISTORI, AS OLIVEIRA JUNIOR, ... BR Patent BR5120190010-4 , 2019 2019
Sistematizando Práticas para Administrar CRM da Silva 2019
Software para Avaliação Automática de Estrias Software for Automatic Evaluation of Stretch Marks VB Jussiani, H Pistori, U Agropecuária, A Ferreira dos Santos, ... 2019
Identificação de bovinos das raças Nelore e Girolando usando redes neurais profundas F de Lima Weber, V Aparecida de Moraes Weber, H Pistori, ... Anais do Encontro Científico da Zootecnia UEMS 1 (1) , 2018 2018