Presentacion 2011
Transcript of Presentacion 2011
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Curso
Fotografía cinematográfica para
video
Profesor: Jorge Alejandro García
González
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TUBO DE RAYOS CATODICOS
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MONITOR DE
FORMA DE
ONDA
VECTORSCOPIO
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FORMATOS DE RELACION DE ASPECTO
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RESOLUCIÓN
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En el sistema NTSC existen 525 líneas, de las cuales solo 486 son
visibles en pantalla HDTV tiene 1080 líneas activas “visibles”
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COMPARACIÓN DE PROPORCIONES DE RESOLUCIÓN EN DIFERENTES
FORMATOS DE VIDEO (Abstracción por áreas)
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COMPARACIÓN DE PROPORCIONES DE RESOLUCIÓN EN DIFERENTES
FORMATOS DE VIDEO (Abstracción por áreas)
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COMPARACION DE RESOLUCIÓN PARA SOPORTES EN DISCO
(Abstracción por áreas)
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RESOLUCION EN PIXELES PARA ALGUNOS FORMATOS
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Fuente: Kona Systems
Formato (bytes/cuadro)
NTSC DV25 (comprimido) (117.2 KB)
PAL DV25 (140.6 KB)
NTSC DV50 (234.4 KB)
PAL DV50 (281.2 KB)
SD 720x486 8-bit (683.0 KB)
SD 720x486 10-bit (911.3 KB)
SD 720x576 8-bit (810.0 KB)
SD 720x576 10-bit (1.05 MB)
HD 1280x720 8-bit (1.76 MB)
HD 1280x720 10-bit (2.37 MB)
DVCProHD 720p60 (234.4 KB)
HD 1920x1080 8-bit (3.96 MB)
HD 1920x1080 10-bit (5.27 MB)
DVCProHD 1080i50 (562.5 KB)
DVCProHD 1080i60 (468.8 KB)
HD 1920x1080 10-bit RGB (7.91 MB)
2K 2048x1556 10-bit RGB (12.45 MB)
2K se refiere a la digitalización equivalente a un cuadro de 35mm en espacio de color 4:4:4
RGB, que genera una resolución de 2048 x 1556 líneas; por su parte, 4K multiplica por cuatro
el área de 2K ofreciendo una resolución de 4096 x 3112.
Tamaños comunes de cuadros de video
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MEDIANO A BAJO CONTRASTE
SOBREEXPOSICION
SUBEXPOSICION
HISTOGRAMA
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