Movement Detection
Mostrando 1-12 de 65 artigos, teses e dissertações.
-
1. Chlorophyll a fluorescence and leaf temperature are early indicators of oil palm diseases
ABSTRACT Bud rot (BR) caused by Phytophthora palmivora and lethal wilt (LW) whose causal agent is unknown, are two diseases currently posing a threat to the oil palm ( Elaeis guineensis . Jacq) industry. BR, first reported in 1964, has destroyed more than 85,000 ha. LW, first reported in 1994 in the Llanos Orientales in Colombia, has destroyed more than 5,00
Sci. agric. (Piracicaba, Braz.). Publicado em: 02/09/2019
-
2. Continuous Scanning Technique with Barkhausen Magnetic Noise for Carbon Steel Sheets
This work studies the application of a Non-Destructive Inspection Technique (NDIT), based on the Magnetic Barkhausen Noise (MBN), for the detection of non-homogeneous regions in carbon steel plates. It presents the advances in the development of a variant of a new non-destructive magnetic test technique, called Continuous Scanning Magnetic Barkhausen Noise (
Mat. Res.. Publicado em: 10/01/2019
-
3. Detection of movement intention using EEG in a human-robot interaction environment
Introduction : This paper presents a detection method for upper limb movement intention as part of a brain-machine interface using EEG signals, whose final goal is to assist disabled or vulnerable people with activities of daily living. Methods EEG signals were recorded from six naïve healthy volunteers while performing a motor task. Every volunteer remain
Res. Biomed. Eng.. Publicado em: 27/11/2015
-
4. Análogos cosmológicos dos efeitos Schwinger estático e oscilatório / Cosmological Analogues of the Static and Oscillatory Schwinger Effect
In this work we study the quantum effects of particle creation in the cosmological context and of the classical electrodynamics. With the studies of the particle creation in constant and oscillatory external electrical fields, the known static and oscillatory Schwinger effects, respectively, it was possible to study the polarization of the quantum vacuum and
Publicado em: 2009
-
5. Detecção do vírus da leprose dos citros nos tecidos da planta infectada e do ácaro vetor Brevipalpus phoenicis Geijskes (Acari: Tenuipalpidae) / Detection of Citrus leprosis virus C (CiLV-C) in the tissues of infected plants and of mite vector Brevipalpus phoenicis Geijskes (Acari: Tenuipalpidae)
Citrus leprosis is one of the most important diseases in the Brazilian citrus production due to the wide occurrence in orchards and also to the high costs involved in the chemical control of the mite vector. The disease affects the plant production and longevity and it is characterized by localized chlorotic and/or necrotic spots on the leaves, stems and fru
Publicado em: 2009
-
6. Processamento de imagens na analise dinamica de risers de produção de petroleo com modelo de escala reduzida em ambiente de laboratorio / Image processing in dynamic analysis of risers of petroleum production with reduced-scale model in a laboratory environment
This work develops a technique for recording and processing the signals of movement of a reduced oil producing riser, with the use of optical cameras. It is based on the use of targets attached to the riser model, and the detection of its position in space. The application of the proposed technique is based on the sequence of images captured from the target,
Publicado em: 2008
-
7. Visão artificial aplicada na detecção de mudança de cenarios : estudo de caso em plataforma de integração de veiculos espaciais / Artificial vision applied in detection of change of scenes : study of case in platform for integration of space vehicles
A tarefa contínua de detecção de mudança de cenários em determinado ambiente pode ocasionar estresse físico e mental para o supervisor. Com o uso da visão computacional associada à automação é possível oferecer recursos para que essa tarefa seja executada de forma automatizada. Neste contexto, este trabalho apresenta uma proposta de arquitetura p
Publicado em: 2008
-
8. Development of areal time color classifier to robotics applications / Desenvolvimento de um sistema de classificação de cores em tempo real para aplicações robóticas
In computer vision, the detection of objects is a task of great importance. We can verify this by the existence of several methods proposed in the literature. Each one of these methods is based on some characteristics present in the image to reach an eficient performance. Considering environments that make use of colors for determining the objects present in
Publicado em: 2008
-
9. Levels of the matrix metalloproteinases and chemokines in the gingival crevicular fluid of teeth under orthodontic forces / Alteração nos níveis de metaloproteinases da matriz e quimiocinas no fluido gengival durante o movimento dentário ortodôntico
The goal of the present study was to evaluate the levels of the matrix metalloproteinases MMP-9, MMP-3 and MMP-13 and of the chemokines MCP-1, MIP-1β and RANTES in the gingival crevicular fluid of teeth under orthodontic forces. Fourteen subjects (3 males and 11 females) were enrolled and subjected to orthodontic tooth movement of their maxillary canine
Publicado em: 2007
-
10. Modelagem de lixiviação do herbicida picloram atraves de lisimetro de drenagem sob vegetação de Brachiaria decumbens / Modeling of picloram herbicide leaching in a lysimeter under Brachiaria decumbens vegetation
Picloram is one of the most used herbicides in the control of weeds in pastures areas, especially the ones of difficult eradication. Many are the stories of wells and springs contamination with herbicides residues as a result of its leaching in grounds. Due to the lack of knowledge and available data on the destination of the picloram in brazilian grounds, r
Publicado em: 2007
-
11. Detecção de movimento de objetos em tempo real utilizando dispositivos de lógica programável complexa / Real time detection of moving objects using programmable logic devices
A system that performs movement detection in a sequence of images looks for signs that confirm the occurrence of the movement in the controlled environment. Once the movement of the object is detected it is possible to perform the tracking of the object. Real time object detection and tracking techniques are of great interests to researchers and industries b
Publicado em: 2006
-
12. Gesture recognizing using segmentation of dynamic hand image based on the mixture of Gaussians model and skin color / Reconhecimento de gestos usando segmentação de imagens dinâmicas de mãos baseada no modelo de mistura de gaussianas e cor de pele
The purpose of this paper is to develop a methodology able to recognize hand gestures from dynamic images to interact with systems. After the image capture segmentation takes place where pixels belonging to the hands are separated from the background based on skin-color segmentation and background extraction. The image preprocessing can be applied before the
Publicado em: 2006