%?生成rio.lan的LanAdapter對(duì)象
input_adapter?=?LanAdapter（‘rio.lan‘）;

%?選擇、綠和藍(lán)光譜
input_adapter.SelectedBands?=?[3?2?1];

%生成一個(gè)分塊函數(shù)來返回未改動(dòng)的分塊數(shù)據(jù)
identityFcn?=?@（block_struct）?block_struct.data;

%?生成剛開始的真彩圖像
truecolor?=?blockproc（input_adapter[100?100]identityFcn）;

%?顯示未改動(dòng)的圖像
figure;
imshow（truecolor）;
title（‘Truecolor?Composite?（Un-enhanced）‘）;


adjustFcn?=?@（block_struct）?imadjust（block_struct.data...
????stretchlim（block_struct.data））;
truecolor_enhanced?=?blockproc（input_adapter[100?100]adjustFcn）;
figure
imshow（truecolor_enhanced）
title（‘Truecolor?Composite?with?Blockwise?Contrast?Stretch‘）

%?HistogramAccumulator?Accumulate?incremental?histogram.
%???HistogramAccumulator?is?a?class?that?incrementally?builds?up?a
%???histogram?for?an?image.??This?class?is?appropriate?for?use?with?8-bit
%???or?16-bit?integer?images?and?is?for?educational?purposes?ONLY.

%???Copyright?2009?The?MathWorks?Inc.
%???$Revision:?1.1.6.1?$??$Date:?2009/11/09?16:24:41?$

classdef?HistogramAccumulator????
????properties
????????Histogram
????????Range
????end
????
????methods
????????
????????function?obj?=?HistogramAccumulator（）
????????????obj.Range?=?[];
????????????obj.Histogram?=?[];
????????end
????????
????????function?addToHistogram（objnew_data）
????????????if?isempty（obj.Histogram）
????????????????obj.Range?=?double（0:intmax（class（new_data）））;
????????????????obj.Histogram?=?hist（double（new_data（:））obj.Range）;
????????????else
????????????????new_hist?=?hist（double（new_data（:））obj.Range）;
????????????????obj.Histogram?=?obj.Histogram?+?new_hist;
????????????end
????????end
????end
end

%?生成HistogramAccumulator類
hist_obj?=?HistogramAccumulator（）;

%?將樣本圖像分割為兩半
full_image?=?imread（‘liftingbody.png‘）;
top_half?=?full_image（1:256:）;
bottom_half?=?full_image（257:end:）;

%?計(jì)算直方圖增量
hist_obj.addToHistogram（top_half）;
hist_obj.addToHistogram（bottom_half）;
computed_histogram?=?hist_obj.Histogram;

%?與函數(shù)IMHIST計(jì)算的結(jié)果進(jìn)行對(duì)比
normal_histogram?=?imhist（full_image）;

%?檢查結(jié)果
figure
subplot（121）;
stem（computed_histogram‘Marker‘‘none‘）;
title（‘Incrementally?Computed?Histogram‘）;
subplot（122）;
stem（normal_histogram‘‘Marker‘‘none‘）;
title（‘IMHIST?Histogram‘）;


%?生成HistogramAccumulator類
hist_obj?=?HistogramAccumulator（）;

%?設(shè)置blockproc函數(shù)句柄
addToHistFcn?=?@（block_struct）?hist_obj.addToHistogram（block_struct.data）;

%?計(jì)算histogram的紅色譜??
%?注意到addToHistFcn函數(shù)句柄沒有生成輸出，?
%?這是因?yàn)閭鬟f給blockproc的句柄沒有返回
input_adapter.SelectedBands?=?3;
blockproc（input_adapter[100?100]addToHistFcn）;
red_hist?=?hist_obj.Histogram;

%?顯示結(jié)果
figure
stem（red_hist‘Marker‘‘none‘）;
title（‘Histogram?of?Red?Band?（Band?3）‘）;

%計(jì)算綠色光譜直方圖
hist_obj?=?HistogramAccumulator（）;
addToHistFcn?=?@（block_struct）?hist_obj.addToHistogram（block_struct.data）;
input_adapter.SelectedBands?=?2;
blockproc（input_adapter[100?100]addToHistFcn）;
green_hist?=?hist_obj.Histogram;

%?計(jì)算藍(lán)色光譜直方圖
hist_obj?=?HistogramAcc

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????文件????????4420??2013-06-02?23:52??大型飛機(jī)航拍圖處理matlab代碼\feijihangpai.m
?????目錄???????????0??2017-03-26?21:55??大型飛機(jī)航拍圖處理matlab代碼\