A anatomia e fisiologia do olho humano e.pptx

K
A anatomia e fisiologia do olho
humano e a câmara
Feito por:
Isaac Marques nº6
Gonçalo Chança nº3
Equivalência entre o
Olho e a Câmara
• Córnea -> Filtro
• Cristalino -> Lentes
• Íris -> Diafragma
• Retina -> Sensor
Como é “processada a imagem”
• Num olho a imagem é “processada” no cérebro através de
impostos elétricos, enviados por células específicas da retina.
• No olho, antes da luz chegar á retina a mesma é invertida.
• No cérebro a “imagem” é invertida novamente pelo mesmo.
Como é “processada a imagem”
• Numa câmera a imagem é “processada” num processador
onde recebe informação em código binário pelo sensor da
câmera.
• Como no olho antes no da luz chegar ao sensor a mesma é
invertida.
• Novamente a “imagem” é invertida novamente pelo
processador da câmera.
Diferenças entre olho e câmera
• Um olho consegue detetar cerca de 10 milhões de cores já câmeras conseguem detetar cerca de
4,4 trilhões de cores.
• Em estimativa um olho humano pode “ler” até 576MP e câmeras fotografias estão longe de tal
quantidade com aproximadamente 250MP, mas existe uma câmera espacial que consegue ler até
570MP com o nome de Dark Energy Camera.
• Um olho humano vê cerca de 180º e uma câmera no máximo consegue 93º.
FIM
._.
1 sur 6

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A anatomia e fisiologia do olho humano e.pptx

  • 1. A anatomia e fisiologia do olho humano e a câmara Feito por: Isaac Marques nº6 Gonçalo Chança nº3
  • 2. Equivalência entre o Olho e a Câmara • Córnea -> Filtro • Cristalino -> Lentes • Íris -> Diafragma • Retina -> Sensor
  • 3. Como é “processada a imagem” • Num olho a imagem é “processada” no cérebro através de impostos elétricos, enviados por células específicas da retina. • No olho, antes da luz chegar á retina a mesma é invertida. • No cérebro a “imagem” é invertida novamente pelo mesmo.
  • 4. Como é “processada a imagem” • Numa câmera a imagem é “processada” num processador onde recebe informação em código binário pelo sensor da câmera. • Como no olho antes no da luz chegar ao sensor a mesma é invertida. • Novamente a “imagem” é invertida novamente pelo processador da câmera.
  • 5. Diferenças entre olho e câmera • Um olho consegue detetar cerca de 10 milhões de cores já câmeras conseguem detetar cerca de 4,4 trilhões de cores. • Em estimativa um olho humano pode “ler” até 576MP e câmeras fotografias estão longe de tal quantidade com aproximadamente 250MP, mas existe uma câmera espacial que consegue ler até 570MP com o nome de Dark Energy Camera. • Um olho humano vê cerca de 180º e uma câmera no máximo consegue 93º.