noise_Poiss = poissrnd(lamda*1e12,m,n)./1e12;
picture_with_noise=picture_without_noise+noise_Poiss ;

noise_Poiss_Change  = imnoise(picture_without_noise,'poisson') £»
picture_with_noise_Change=picture_without_noise+noise_Poiss_Change  ;

2Â¥: Originally posted by acalephs at 2015-01-19 16:58:00
1 Èç¹ûÄãÏ£ÍûȫͼµÄlamadaΪͬһ¸öÖµ
Èç¹ûͼÏñΪpicture_without_noise(´óСΪm*n)£¬²¢ÇÒÏñËØ·¶Î§µÄÊý¾ÝÀàÐÍÊÇdouble£¬¸ù¾ÝimnoiseµÄÏë·¨

noise_Poiss = poissrnd(lamda*1e12,m,n)./1e12;
picture_with_noise= ...

3Â¥: Originally posted by È«È«fly at 2015-01-20 09:09:40
Çë½ÌһϵÚÒ»¸öCODEÖеÄ1e12Ö¸µÄÊÇʲôÄØ£¿Ð»Ð»...

4Â¥: Originally posted by acalephs at 2015-01-20 10:42:37
poissrndÖ»ÄÜÉú³ÉÂú×ãËæ»ú·Ö²¼µÄÕûÊý£¬±ÈÈç˵Ëæ»úÉú³É5¸öÊý£¬Ö»ÄÜÊÇ¡¾1 3 7 2 4¡¿ÕâÖÖÕûÊý£¬Èç¹ûÒªÔÚ0~1£¬¾ÍÒªÏÈ·Å´ó1e12±¶£¨·Å´ó±¶ÊýºÍÊý¾ÝÀàÐÍÓйأ¬Ïê¼ûmatlab µÄhelpÖйØÓÚimnoiseµÄpoisson²ÎÊý˵Ã÷£¬ÖÁÓÚÈ¡Õâ ...

5Â¥: Originally posted by È«È«fly at 2015-01-20 22:02:46
¸Õ²ÅÓÃMATALB ʵÑéÁËÒ»ÏÂ
noise_Poiss = poissrnd(5*1e12,255,255)./1e12;
ÕâÑù³öÀ´µÄ½á¹û¾ØÕóµÄÔªËØÈ«ÊÇË«¾«¶ÈµÄ5£¬¸Ð¾õ²»¶ÔÄØ...

5Â¥: Originally posted by È«È«fly at 2015-01-20 22:02:46
¸Õ²ÅÓÃMATALB ʵÑéÁËÒ»ÏÂ
noise_Poiss = poissrnd(5*1e12,255,255)./1e12;
ÕâÑù³öÀ´µÄ½á¹û¾ØÕóµÄÔªËØÈ«ÊÇË«¾«¶ÈµÄ5£¬¸Ð¾õ²»¶ÔÄØ...

format long;
max(noise_Poiss(:))
min(noise_Poiss(:))

7Â¥: Originally posted by acalephs at 2015-01-20 23:08:41
hist(noise_Poiss )¿´Ò»Ï£¬ÊÇÏÔʾ¾«¶È²»×ã°É¡£ÓÃ
format long;
max(noise_Poiss()
min(noise_Poiss()
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8Â¥: Originally posted by È«È«fly at 2015-01-22 20:43:13
²»ÐУ¬×î´óÖµºÍ×îСֵ¶¼ÊÇÒ»ÑùµÄ£¬ÎҸоõÒ²¾ÍÊÇ´ËÖÖ·½·¨Ðв»Í¨...