Now showing items 31-40 of 376
TÉCNICAS DE SEGMENTAÇÃO DE IMAGENS NA GERAÇÃO DE PROGRAMAS PARA MÁQUINAS DE COMANDO NUMÉRICO
(Universidade Federal de Santa MariaBREngenharia de ProduçãoUFSMPrograma de Pós-Graduação em Engenharia de Produção, 2008-04-14)
This work describes a tool for extraction of features in 2D images applied to industrial automation. The method uses techniques implemented targeting of images into pieces model as detection of edges in the extraction of ...
Comparison of two Angiographic Systems Inpaediatric Interventional Cardiology
(Oxford Univ Press, 2015)
The aim of this work was to analyse the radiation dose for patients and staff between X-ray systems, a new biplane with flat-panel detectors (FDs) and a conventional system equipped with image intensifier (II). Entrance ...
Sistema de adquisición de imágenes biomédicas utilizando una cámara GammaBiomedical image acquisition system using a Gamma chamber
(Universidad Nacional de Ingeniería, 2018)
Height-Gradient-Based Method for Occlusion Detection in True Orthophoto Generation
(Ieee-inst Electrical Electronics Engineers Inc, 2015-11-01)
High-quality orthophotos are essential elements in cartographic databases that are required for engineering projects. Urban areas usually have many tall buildings, causing occlusions in aerial images. These occlusions can ...
Radiometric block adjustment of hyperspectral image blocks in the Brazilian environment
The objective of this investigation was to study and optimize a hyperspectral unmanned aerial vehicle (UAV)-based remote-sensing system for the Brazilian environment. Comprised mainly of forest and sugarcane, the study ...
Diffusion analysis of one photosensitizer in bovine teeth using fluorescence optical imaging
(Spie - Int Soc Optical Engineering, 2012-01-01)
Some photosensitizers (PSs) used for PACT (Antimicrobial Photodynamic Therapy) show an affinity for bacterial walls and can be photo-activated to cause the desired damage. However, on dentine bacterias may be less susceptible ...
Evolution of radiation dose and image quality in a pediatric interventional cardiology system Dosis de radiación y calidad de imagen en un equipo de cardiología intervencionista pediátrico
The optimized methodology and results of the new characterization in terms of dose and image quality of the x-ray system used in the main service of pediatric hemodynamics of Chile is presented. In addition, scatter dose ...
A influência das injunções de orientação relativa na calibração de um sistema dual de câmeras digitais
(Universidade Federal do Paraná (UFPR), Centro Politecnico, 2009-07-01)
Image acquisition systems based on multi-head arrangement of digital frame cameras, such as the commercial systems DMC, UltraCam, besides others, are attractive alternatives enabling larger imaging area when compared to a ...