NGUYEN Thi Hoang Lan - IPH 1
XỬLÝ ẢNH
Chương 2
Quá trình hình thành ảnh
và biểudiễnảnh
NGUYEN Thi Hoang Lan - IPH 2
Hình thành ảnh tựnhiên
và cảmnhậnảnh
Longueur d'onde λ
Rayons
cosmiques
Rayons
gamma
Rayons
X Ultraviolet Lumière
visible
Infra-
rouge
Micro-
ondes TV Radio Onde Hz
10-5 nm 10-3 nm 10nm 1500nm 5m 1000m m
Violet Bleu Vert Jaune Rouge
380 nm 780 nm436 nm 495 nm 566 nm 627 nm
Ánhsángvàsóngđiệntừ
NGUYEN Thi Hoang Lan - IPH 3
Hình thành ảnh tựnhiên
Chaleur
Source primaire Source secondaire
Lumière incidente
I(x, y, λ)
Lumière réfléchie
I(x, y, λ), r(x, y, λ)
Lumière transmise t(x, y, λ), r(x, y, λ)
Đốitượng đượcchiếu sáng: hấpthụvà phảnxạánh sáng
NGUYEN Thi Hoang Lan - IPH 4
Cấutạocủamắt
NGUYEN Thi Hoang Lan - IPH 5
Quá trình hình thành ảnh trong mắt
S(λ)
λ(nm)
380 555 780
1
Độ nhậycảmphổcủamắt
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