Para acceder a los documentos con el texto completo, por favor, siga el siguiente enlace: http://hdl.handle.net/2117/14446

Use of light-emitting diodes in multispectral systems design: variability of spectral power distribution according to angle and time of usage
Martínez, Oscar; Vilaseca Ricart, Meritxell; Arjona Carbonell, Mª Montserrat; Pizarro Bondia, Carlos; Pujol Ramo, Jaume
Universitat Politècnica de Catalunya. Departament d'Òptica i Optometria; Universitat Politècnica de Catalunya. GREO - Grup de Recerca en Enginyeria Òptica
Multispectral systems allow the spectral and color characterization of objects using images obtained from several acquisition channels with different spectral sensitivities. Light sources based on light-emitting diodes have started to be used in multispectral systems, mainly to develop low-cost devices for the industry. In this study, the authors examine the variability of spectral power distribution according to the viewing angle of white and single color light-emitting diodes, which can have a significant impact on spectral and color accuracy. This must be taken into account if they are to be used in multispectral systems design. The spectrum drift according to the time of usage of white light-emitting diodes is also analyzed.
Peer Reviewed
Àrees temàtiques de la UPC::Enginyeria electrònica::Optoelectrònica
Light-emitting devices
Imaging detectors and sensors
Imatges -- Processament -- Tècniques digitals
info:eu-repo/semantics/publishedVersion
Artículo
         

Mostrar el registro completo del ítem

Documentos relacionados

Otros documentos del mismo autor/a

Martínez, Óscar; Vilaseca Ricart, Meritxell; Pizarro Bondia, Carlos; Ferrer, Edgard; Arjona Carbonell, Mª Montserrat; Pujol Ramo, Jaume
Pizarro Bondia, Carlos; Arasa Marti, Jose; de Lasarte, Marta; Pujol Ramo, Jaume; Arjona Carbonell, Mª Montserrat; Vilaseca Ricart, Meritxell
Martínez, Óscar; Vilaseca Ricart, Meritxell; Pizarro Bondia, Carlos; Arjona Carbonell, Mª Montserrat; Pujol Ramo, Jaume
Herrera Ramírez, Jorge Alexis; Vilaseca Ricart, Meritxell; Arjona Carbonell, Mª Montserrat; Pujol Ramo, Jaume
Otero Molins, Carles; Vilaseca Ricart, Meritxell; Arjona Carbonell, Mª Montserrat; Martínez Roda, Juan Antonio; Pujol Ramo, Jaume