資源簡介
使用PCA算法對ORL的人臉庫進行降維,得到主元向量與特征臉圖像,可下載運行,可設置特征維度比較識別效果與圖像重建效果

代碼片段和文件信息
%輸入圖像為image0
%輸入主元向量為primary_vector
%分別顯示前primary_vector_num個主元分量圖像的和
%圖像尺寸image_rowsimage_cols
function?display_pca_face(image0primary_vectorprimary_vector_numimage_rowsimage_cols)
primary_face_component=primary_vector‘*image0;%在前n個基向量上的分量
%顯示各個主分量
figure
for?i=1:50
????temp_face=uint8(reshape(primary_face_component(i)*primary_vector(:i)[image_rows?image_cols]));
????subplot(69i)
????imshow(temp_face);
end
%顯示原圖像
figure
temp_face=uint8(reshape(image0(:1)[image_rows?image_cols]));
subplot(691)
imshow(temp_face);
%顯示各主元重構圖像
j=0;
for?i=primary_vector_num??
????temp_face1=primary_vector(:1:i)*primary_face_component(1:i);%顯示主元和
????temp_face=uint8(reshape(temp_face1[image_rows?image_cols]));
????j=j+1;
????subplot(45j)
????imshow(temp_face);
end
end
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2018-04-19?13:59??PCA-facerecognition-hcf\
?????目錄???????????0??2018-04-12?13:33??PCA-facerecognition-hcf\ORL\
?????文件?????1440768??2018-04-10?14:58??PCA-facerecognition-hcf\ORL\Thumbs.db
?????文件???????11382??2011-12-26?18:43??PCA-facerecognition-hcf\ORL\s10_1.bmp
?????文件???????11382??2011-12-26?18:43??PCA-facerecognition-hcf\ORL\s10_10.bmp
?????文件???????11382??2011-12-26?18:43??PCA-facerecognition-hcf\ORL\s10_2.bmp
?????文件???????11382??2011-12-26?18:43??PCA-facerecognition-hcf\ORL\s10_3.bmp
?????文件???????11382??2011-12-26?18:43??PCA-facerecognition-hcf\ORL\s10_4.bmp
?????文件???????11382??2011-12-26?18:43??PCA-facerecognition-hcf\ORL\s10_5.bmp
?????文件???????11382??2011-12-26?18:43??PCA-facerecognition-hcf\ORL\s10_6.bmp
?????文件???????11382??2011-12-26?18:43??PCA-facerecognition-hcf\ORL\s10_7.bmp
?????文件???????11382??2011-12-26?18:43??PCA-facerecognition-hcf\ORL\s10_8.bmp
?????文件???????11382??2011-12-26?18:43??PCA-facerecognition-hcf\ORL\s10_9.bmp
?????文件???????11382??2011-12-26?18:43??PCA-facerecognition-hcf\ORL\s11_1.bmp
?????文件???????11382??2011-12-26?18:43??PCA-facerecognition-hcf\ORL\s11_10.bmp
?????文件???????11382??2011-12-26?18:43??PCA-facerecognition-hcf\ORL\s11_2.bmp
?????文件???????11382??2011-12-26?18:43??PCA-facerecognition-hcf\ORL\s11_3.bmp
?????文件???????11382??2011-12-26?18:43??PCA-facerecognition-hcf\ORL\s11_4.bmp
?????文件???????11382??2011-12-26?18:43??PCA-facerecognition-hcf\ORL\s11_5.bmp
?????文件???????11382??2011-12-26?18:43??PCA-facerecognition-hcf\ORL\s11_6.bmp
?????文件???????11382??2011-12-26?18:43??PCA-facerecognition-hcf\ORL\s11_7.bmp
?????文件???????11382??2011-12-26?18:43??PCA-facerecognition-hcf\ORL\s11_8.bmp
?????文件???????11382??2011-12-26?18:43??PCA-facerecognition-hcf\ORL\s11_9.bmp
?????文件???????11382??2011-12-26?18:43??PCA-facerecognition-hcf\ORL\s12_1.bmp
?????文件???????11382??2011-12-26?18:43??PCA-facerecognition-hcf\ORL\s12_10.bmp
?????文件???????11382??2011-12-26?18:43??PCA-facerecognition-hcf\ORL\s12_2.bmp
?????文件???????11382??2011-12-26?18:43??PCA-facerecognition-hcf\ORL\s12_3.bmp
?????文件???????11382??2011-12-26?18:43??PCA-facerecognition-hcf\ORL\s12_4.bmp
?????文件???????11382??2011-12-26?18:43??PCA-facerecognition-hcf\ORL\s12_5.bmp
?????文件???????11382??2011-12-26?18:43??PCA-facerecognition-hcf\ORL\s12_6.bmp
?????文件???????11382??2011-12-26?18:43??PCA-facerecognition-hcf\ORL\s12_7.bmp
............此處省略379個文件信息
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