²é¿´: 8810  |  »Ø¸´: 1

dongbeidushi

гæ (³õÈëÎÄ̳)

[ÇóÖú] Çó¶®MATLABµÄ¸ßÊÖÏàÖú£¬ÈçºÎÔÚMATLABÖл­¹âÆ×ÇúÏß¡£ ÒÑÓÐ1È˲ÎÓë

ÏñÕâÀàµÄ¹âÆ×ͼÈçºÎÔÚmatlabÖл­³öÀ´°¡

Çó¶®MATLABµÄ¸ßÊÖÏàÖú£¬ÈçºÎÔÚMATLABÖл­¹âÆ×ÇúÏß¡£
[]7G8A_WA(BG1HE9RMBP%%1.png


Çó¶®MATLABµÄ¸ßÊÖÏàÖú£¬ÈçºÎÔÚMATLABÖл­¹âÆ×ÇúÏß¡£-1
R}6V)UHZ5GF(7RC3S)U{HPB.png
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

dbb627

ÈÙÓþ°æÖ÷ (ÖøÃûдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
dongbeidushi: ½ð±Ò+10 2014-12-31 09:04:43
CODE:
function spectrum_plot
[lambda, D65] = illuminant('d65');
figure;
id=lambda>=360;
lambda=lambda(id);
D65= D65(id);
plot(lambda, D65)
hold on
for i=1:(numel(lambda)-1)
    X=[lambda(i) lambda(i) lambda(i+1) lambda(i+1) lambda(i)];
    Y=[0 D65(i) D65(i+1) 0 0];
    RGB=Wavelength2RGB(lambda(i));
    fill(X',Y',[RGB(1)/255 RGB(2)/255 RGB(3)/255],'EdgeColor',[RGB(1)/255 RGB(2)/255 RGB(3)/255])
end
title('D_{65} illuminant')

Çó¶®MATLABµÄ¸ßÊÖÏàÖú£¬ÈçºÎÔÚMATLABÖл­¹âÆ×ÇúÏß¡£-2
untitled.jpg
CODE:
function RGB=Wavelength2RGB(Wavelength)
Gamma = 0.8;
IntensityMax = 255;

if Wavelength >= 380 & Wavelength <= 439
    Red = -(Wavelength - 440) / (440 - 350);
    Green = 0.0;
    Blue = 1.0;
elseif Wavelength >= 440 & Wavelength <= 489
    Red = 0.0;
    Green = (Wavelength - 440) / (490 - 440);
    Blue = 1.0;
elseif Wavelength >= 490 & Wavelength <= 509
    Red = 0.0;
    Green = 1.0;
    Blue = -(Wavelength - 510) / (510 - 490);
elseif Wavelength >= 510 & Wavelength <= 579
    Red = (Wavelength - 510) / (580 - 510);
    Green = 1.0;
    Blue = 0.0;
elseif Wavelength >= 580 & Wavelength <= 644
    Red = 1.0;
    Green = -(Wavelength - 645) / (645 - 580);
    Blue = 0.0;
elseif Wavelength >= 645 & Wavelength <= 780
    Red = 1.0;
    Green = 0.0;
    Blue = 0.0;
else
    Red = 0.0;
    Green = 0.0;
    Blue = 0.0;
end
  
if Wavelength >= 350 & Wavelength <= 419
    factor = 0.3 + 0.7*(Wavelength - 380)/(420 - 380);
elseif Wavelength >= 420 & Wavelength <= 700
    factor = 1.0;
elseif Wavelength >= 701 & Wavelength <= 780
    factor = 0.3 + 0.7*(780 - Wavelength)/(780 - 700);
else
    factor = 0.0;
end
r=255*(Red*factor)^Gamma;
g=255*(Green*factor)^Gamma;
b=255*(Blue*factor)^Gamma;

R=r;
G=g;
B=b;
RGB=[R G B];

The more you learn, the more you know, the more you know, and the more you forget. The more you forget, the less you know. So why bother to learn.
2Â¥2014-12-29 18:49:20
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ dongbeidushi µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 326Çóµ÷¼Á +4 ŵ±´¶û»¯Ñ§½±êéê 2026-03-15 7/350 2026-03-16 17:11 by ŵ±´¶û»¯Ñ§½±êéê
[¿¼ÑÐ] ±¾ÈË¿¼085602 »¯Ñ§¹¤³Ì ר˶ +12 ²»ÖªµÀ½Ðʲô£¡ 2026-03-15 14/700 2026-03-16 16:45 by ÎҵĴ¬Îҵĺ£
[¿¼ÑÐ] 0703»¯Ñ§µ÷¼Á +6 ÄÝÄÝninicgb 2026-03-15 9/450 2026-03-16 16:40 by houyaoxu
[¿¼ÑÐ] 277²ÄÁÏ¿ÆÑ§Ó빤³Ì080500Çóµ÷¼Á +3 ×ÔÓɼå±ý¹û×Ó 2026-03-16 3/150 2026-03-16 14:10 by ÔËÆøyunqi
[¿¼ÑÐ] ²ÄÁϹ¤³Ìר˶274Ò»Ö¾Ô¸211Çóµ÷¼Á +5 Ñ¦ÔÆÅô 2026-03-15 5/250 2026-03-15 20:38 by Logic2024
[¿¼ÑÐ] ²ÄÁÏÓ뻯¹¤£¨0856£©304ÇóBÇøµ÷¼Á +7 Çñgl 2026-03-10 11/550 2026-03-14 12:18 by Çñgl
[¿¼ÑÐ] ¿¼ÑвÄÁÏÓ뻯¹¤£¬Çóµ÷¼Á +8 Ï·¾«µ¤µ¤µ¤ 2026-03-09 8/400 2026-03-14 01:14 by JourneyLucky
[»ù½ðÉêÇë] ÓбØÒª¸ü»»É걨¿ÚÂð 20+3 fannyamoy 2026-03-11 3/150 2026-03-14 00:52 by zhanghaozhu
[¿¼ÑÐ] µ÷¼Á +3 13853210211 2026-03-10 3/150 2026-03-14 00:47 by JourneyLucky
[¿¼ÑÐ] 26¿¼Ñе÷¼Á +3 ying123. 2026-03-10 3/150 2026-03-14 00:18 by JourneyLucky
[¿¼ÑÐ] 341Çóµ÷¼Á +4 ·¬ÇÑÍ·--- 2026-03-10 4/200 2026-03-13 23:12 by JourneyLucky
[¿¼ÑÐ] 341Çóµ÷¼Á +3 ·¬ÇÑÍ·--- 2026-03-10 3/150 2026-03-13 23:07 by JourneyLucky
[¿¼ÑÐ] 304Çóµ÷¼Á +7 7712b 2026-03-13 7/350 2026-03-13 21:42 by peike
[¿¼ÑÐ] ÇóbÇøÑ§Ð£µ÷¼Á +3 ÖÜ56 2026-03-11 3/150 2026-03-13 16:20 by JourneyLucky
[¿¼ÑÐ] 308Çóµ÷¼Á +3 ÊÇLupa°¡ 2026-03-12 3/150 2026-03-13 14:30 by Çóµ÷¼Ázz
[¿¼ÑÐ] ²ÄÁÏר˶274Ò»Ö¾Ô¸ÉÂÎ÷ʦ·¶´óѧÇóµ÷¼Á +4 Ñ¦ÔÆÅô 2026-03-13 4/200 2026-03-13 10:40 by ѧԱ8dgXkO
[¿¼ÑÐ] 270Çóµ÷¼Á 085600²ÄÁÏÓ뻯¹¤×¨Ë¶ +3 YXCT 2026-03-11 3/150 2026-03-13 10:13 by houyaoxu
[¿¼ÑÐ] 283Çóµ÷¼Á£¬²ÄÁÏ¡¢»¯¹¤½Ô¿É +8 ËÕ´òË®7777 2026-03-11 10/500 2026-03-13 09:06 by Linda Hu
[¿¼²©] 2026Ä격ʿÉêÇë +3 QwQwQW10 2026-03-11 3/150 2026-03-12 17:58 by gxch43
[¿¼ÑÐ] 0857»·¾³µ÷¼Á +5 ìÚìÚ_11 2026-03-10 5/250 2026-03-11 10:59 by wang_dand
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û