使用方法:先执行dir *.jpg *.bmp /b /s > imgcmp.lst,然后替换掉原来的imgcmp.lst双击执行imgcmp.exe.
哈哈windows目录下面相同或者相似的文件还是蛮多的嘛.
阈值是相关度判断是否是相似图片的阈值,块大小是图片的分块像素大小.
可执行文件
下载:
下面是截图欣赏:
1 RBT<Pair<String,String> > img_map;
2 Int g_limit = 2;
3 Int g_block = 32;
4
5 RGBQUAD pixel_comp(CxImage* pImageSrc, CxImage* pImageDst,Int& nResult,Byte limit = 20)
6 {
7 Int src_row = pImageSrc->GetHeight();
8 Int src_col = pImageSrc->GetWidth();
9 Byte* src_buffer = pImageSrc->GetBits();
10 Int dst_row = pImageDst->GetHeight();
11 Int dst_col = pImageDst->GetWidth();
12 Byte* dst_buffer = pImageDst->GetBits();
13 RGBQUAD ret = {-1,-1,-1,-1}, max_ret = {0};
14 if(src_row!=dst_row || src_col!=dst_col)
15 {
16 nResult = (dst_row+2)*(dst_col+1)-(src_row+2)*(src_col+1);
17 return ret;
18 }
19
20 Double r = 0,g = 0,b = 0,s = 0;
21 Double abs_r = 0,abs_g = 0,abs_b = 0,abs_s = 0;
22 Char delta_r = 0, delta_g = 0, delta_b = 0;
23 Int Block_Row = g_block;
24 Int Block_Col = g_block;
25 #define Abs(x) ((x)>=0?(x):-(x))
26 for(Int i=0; i<(src_row+Block_Row-1)/Block_Row; i++)
27 {
28 for(Int j=0; j<(src_col+Block_Col-1)/Block_Col; j++)
29 {
30 Double l_r = 0,l_g = 0,l_b = 0,l_s = 0;
31 Double l_abs_r = 0,l_abs_g = 0,l_abs_b = 0,l_abs_s = 0;
32 for(Int k=0; k<Block_Row; k++)
33 {
34 for(Int l=0; l<Block_Col; l++)
35 {
36 register Int row = i*Block_Row+k;
37 register Int idx = j*Block_Col+l;
38 if(row>=src_row || idx>=src_col) continue;
39 idx += row*src_col;
40 delta_b = dst_buffer[idx*3 ]-src_buffer[idx*3 ];
41 delta_g = dst_buffer[idx*3+1]-src_buffer[idx*3+1];
42 delta_r = dst_buffer[idx*3+2]-src_buffer[idx*3+2];
43
44 l_b += (delta_b);
45 l_g += (delta_g);
46 l_r += (delta_r);
47
48 l_abs_b += Abs(delta_b);
49 l_abs_g += Abs(delta_g);
50 l_abs_r += Abs(delta_r);
51 }
52 }
53 if( (max_ret.rgbBlue =(Byte)l_abs_b/Block_Row/Block_Col)>limit ||
54 (max_ret.rgbGreen=(Byte)l_abs_g/Block_Row/Block_Col)>limit ||
55 (max_ret.rgbRed =(Byte)l_abs_r/Block_Row/Block_Col)>limit )
56 {
57 return max_ret;
58 }
59
60 b += l_b;
61 g += l_g;
62 r += l_r;
63
64 abs_b += l_abs_b;
65 abs_g += l_abs_g;
66 abs_r += l_abs_r;
67 }
68 }
69 #undef Abs
70 max_ret.rgbRed = (Byte)(abs_r/src_row/src_col);
71 max_ret.rgbGreen = (Byte)(abs_g/src_row/src_col);
72 max_ret.rgbBlue = (Byte)(abs_b/src_row/src_col);
73 nResult = (Int)((r+g+b)/src_row/src_col);
74 return max_ret;
75 }
76
77 template <typename T>
78 T jabs(T t)
79 {
80 if((t | ((T)(-1)>>1)) == (T)(-1))
81 return 0-t;
82 else
83 return t;
84 }
85
86 Int symbol(Int p)
87 {
88 return p>=0?p:-p;
89 }
90
91 CStr next_sub(CStr pchSrc, Char match = '\\')
92 {
93 int len = strlen(pchSrc);
94 for(int i=len-1; i>=0; i--)
95 {
96 if(pchSrc[i]==match)
97 return pchSrc+i+1;
98 }
99 return 0;
100 }
101
102 Int img_comp(CStr pchFileSrc,CxImage* img_src,CStr pchFileDst,CxImage* img_dst,Byte limit = 2)
103 {
104 CStr tmp_str = Nul;
105 if(strcmp(pchFileSrc,pchFileDst)==0) return 0;
106 if(!img_src->IsValid())
107 {
108 printf("parse image (%s) failure!\n",pchFileSrc);
109 throw "parse image failure!";
110 }
111 if(!img_dst->IsValid())
112 {
113 printf("parse image (%s) failure!\n",pchFileDst);
114 throw "parse image failure!";
115 }
116 Int nResult;
117 RGBQUAD t = pixel_comp(img_src,img_dst,nResult);
118
119 if(*(Int*)&t == -1) // 长宽不同,则按名字排序
120 return (Int)nResult;
121 else if(jabs(t.rgbBlue)<limit && jabs(t.rgbGreen)<limit && jabs(t.rgbRed)<limit && jabs(t.rgbReserved)<limit)
122 {
123 if(strcmp(pchFileDst,pchFileSrc)!=0)
124 {
125 img_map.Insert(Pair<String,String>(String(pchFileSrc),String(pchFileDst)));
126 img_map.Insert(Pair<String,String>(String(pchFileDst),String(pchFileSrc)));
127 }
128 return 0;
129 }
130 else
131 return (Int)nResult;
132 }
133
134 class ImageCmp
135 {
136 public:
137 Bool operator<(ImageCmp& img)
138 {
139 try{
140 return img_comp(_img_src.ConvertToCStr(),_img,img._img_src.ConvertToCStr(),img._img,g_limit)<0;
141 }catch(
){return False;}
142 }
143 CStr GetSrc() { return _img_src.ConvertToCStr(); }
144 ImageCmp(CStr pchImgSrc) : _img_src(pchImgSrc)
145 {
146 _img = New CxImage(pchImgSrc,CxImage::GetTypeIdFromName(next_sub(pchImgSrc,'.')));
147 }
148 ImageCmp(const String& sImgSrc) : _img_src(sImgSrc)
149 {
150 CStr tmp_str = Nul;
151 _img = New CxImage(sImgSrc.ConvertToCStr(),CxImage::GetTypeIdFromName(next_sub(sImgSrc.ConvertToCStr(),'.')));
152 }
153 ImageCmp() {_img = New CxImage();}
154 AutoPtr<CxImage> _img;
155 protected:
156 String _img_src;
157 };
158
159 int main()
160 {
161 printf("阈值:");
162 scanf("%d",&g_limit);
163 printf("块大小:");
164 scanf("%d",&g_block);
165 CStr name_cfg = "imgcmp.lst";
166 Char buffer[MAX_PATH+1] = {0};
167 Vector<ImageCmp> vec_file;
168 FILE* file_cfg = fopen(name_cfg,"r");
169 printf("loading.");
170 if(file_cfg)
171 {
172 String last;
173 while(!feof(file_cfg))
174 {
175 String tmp;
176 fgets(buffer,MAX_PATH,file_cfg);
177 tmp = buffer;
178 tmp.Trim();
179 if(!tmp.IsEmpty() && tmp!=last)
180 {
181 vec_file.PushBack(tmp);
182 printf(".");
183 }
184 last = tmp;
185 }
186 fclose(file_cfg);
187 file_cfg = Nul;
188 }
189 printf("\nParsing\n");
190
191 fast_sort<ImageCmp,Vector<ImageCmp> >(vec_file,0,vec_file.GetSize()-1);
192 printf("results:\n");
193
194 FILE* html = fopen("output.html","w");
195 fprintf(html,"<HTML><HEAD><TITLE>图片相似度搜索</TITLE></HEAD><BODY>\n");
196 Bool has_line_draw = False;
197 String last_name;
198 for(UInt i=0; i<vec_file.GetSize(); i++)
199 {
200 RBT<Pair<String,String> >::Iterator iter = img_map.Search(vec_file[i].GetSrc());
201 if(iter)
202 {
203 if(!last_name.IsEmpty())
204 {
205 Bool found = False;
206 RBT<String> src_map,dst_map;
207 typedef RBT<String>::Iterator map_iter;
208 for(RBT<Pair<String,String> >::Iterator iter=img_map.Search(last_name);iter;iter=img_map.Search((*iter).GetVal()))
209 {
210 map_iter it = src_map.Search((*iter).GetKey());
211 if(it)
212 {
213 break;
214 }
215 src_map.Insert((*iter).GetKey());
216 }
217 for(RBT<Pair<String,String> >::Iterator iter=img_map.Search(vec_file[i].GetSrc());iter;iter=img_map.Search((*iter).GetVal()))
218 {
219 if(src_map.Search((*iter).GetKey()))
220 {
221 found = True;
222 break;
223 }
224 map_iter it = dst_map.Search((*iter).GetKey());
225 if(it)
226 {
227 break;
228 }
229 dst_map.Insert((*iter).GetKey());
230 }
231 if(!found)
232 {
233 fprintf(html,"<hr>\n");
234 }
235 }
236 printf("%s Same with %s \n",vec_file[i].GetSrc(),(*iter).GetVal());
237 fprintf(html,"<a href='file:///%s'>%s</a><br>\n",vec_file[i].GetSrc(),vec_file[i].GetSrc());
238 has_line_draw = False;
239 last_name = vec_file[i].GetSrc();
240 }
241 }
242 fprintf(html,"</body></html>");
243 fclose(html);
244 ShellExecute(Nul,"open","output.html",Nul,Nul,SW_SHOW);
245 return 0;
246 }
247
posted on 2009-02-04 12:06
宋振华 阅读(2970)
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