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A comparative analysis of attribute reduction algorithms applied to wet-blue leather defects classification. Repositório Alice
AMORIM, W. P.; PISTORI, H.; JACINTO, M. A. C..
This paper presents an attribute reduction comparative study on four linear discriminant analysis techniques: FisherFace, CLDA, DLDA and YLDA. The attribute reduction has been applied to the problem of leather defect c1assification using four different c1assifiers: C4.5, KNN, Naive Bayes and Support Veetor Machines. Results and analyses on the performance of correct c1assification rates as the number of attributes were reduced are reported.
Tipo: Artigo em anais de congresso (ALICE) Palavras-chave: Wet-blue; Couro; Defeito.
Ano: 2009 URL: http://www.alice.cnptia.embrapa.br/handle/doc/574710
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Computer vision for larval structures identification applied to forensic science. Repositório Alice
OLIVEIRA, C. E.; LIMA, L. R. de; OLIVEIRA, G. R. A. de; GONÇALVES, A. B.; PISTORI, H.; KOLLER, W. W..
The diptera maggots are used in forensic entomology to estimate the post-mortem interval (PMI). Maggots have a wide range of morphological and structural features that aid in the identification. In order to assist in the necrophagous larvae identification, this research aims to develop a software using computer vision and machine learning to automate the classification process. Diptera maggots were collected in a dead pig at the capital of Mato Grosso do Sul state, Campo Grande. The maggots were identified and photographed at a light microscope (5x objective). Next, the images were processed, the features extraction was performed using an extractor in Python language. The classification of the images were tested with AdaBoost, Random Forest, Random Tree...
Tipo: Artigo em anais de congresso (ALICE) Palavras-chave: Entomology; Insect larvae; Computer vision.
Ano: 2016 URL: http://www.alice.cnptia.embrapa.br/handle/doc/1061783
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Prediction of Girolando cattle weight by means of body measurements extracted from images. Repositório Alice
WEBER, V. A. de M.; WEBER, F. de L.; GOMES, R. da C.; OLIVEIRA JUNIOR, A. da S.; MENEZES, G. V.; ABREU, U. G. P. de; BELETE, N. A. de S.; PISTORI, H..
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 area of these animals allowed measurements of hip width (HWI), body length, tail distance to the neck, dorsum area (DAI), dorsum perimeter, wither height, hip height, body lateral area, perimeter of the lateral area, and rib height. The...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Livestock precision; Machine learning; Mass estimation; Cattle; Computer vision.
Ano: 2020 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1121364
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Prediction of Girolando cattle weight by means of body measurements extracted from images. Repositório Alice
WEBER, V. A. de M.; WEBER, F. de L.; GOMES, R. da C.; OLIVEIRA JUNIOR, A. da S.; MENEZES, G. V.; ABREU, U. G. P. de; BELETE, N. A. de S.; PISTORI, H..
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 area of these animals allowed measurements of hip width (HWI), body length, tail distance to the neck, dorsum area (DAI), dorsum perimeter, wither height, hip height, body lateral area, perimeter of the lateral area, and rib height. The...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Gado de Corte; Peso; Morfologia Animal; Gado Gir; Beef cattle; Livestock production; Body weight; Gir (cattle breed).
Ano: 2020 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1121356
Registros recuperados: 4
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