360buy Jingdong Mall Product Price Image Recognition

Demo:

 Using  System;  Using  System. Collections. Generic;  Using  System. LINQ;  Using  System. text;  Using  System. drawing;  Using  System. IO;  Namespace  Leleapplication1 {  Class Myimage {  //  Images to be analyzed          Private  Bitmap bmpobj;  //  The number comparison string to be inherited and rewritten. This is used in the subclass to compare numbers.          Public Dictionary < String , Char > Numdic = New Dictionary < String , Char > (); //  Returns the gray value of a point in the image.          Private   Int  Getgraynumcolor (system. Drawing. Color posclr ){  Return (Posclr. R * 19595 + Posclr. g * 38469 + Posclr. B * 7472 )> 16  ;}  //  Grayscale Processing          Private  Void  Graybypixels (){  For ( Int I = 0 ; I <bmpobj. height; I ++ ){  For ( Int J = 0 ; J <bmpobj. width; j ++ ){  Int Tmpvalue =Getgraynumcolor (bmpobj. getpixel (J, I); bmpobj. setpixel (J, I, color. fromargb (tmpvalue, tmpvalue, tmpvalue ));}}}  //  Get 01 of an imageCodeSequence          Private   String Getsinglebmp code (Bitmap singlepic, Int  Dggrayvalue) {color piexl;  String Code = ""  ;  For (Int Posy = 0 ; Posy <singlepic. height; posy ++ )  For ( Int Posx = 0 ; Posx <singlepic. width; posx ++ ) {Piexl = Singlepic. getpixel (posx, Posy );  If (Piexl. r <dggrayvalue) //  Color. Black) Code = code +"  1  "  ;  Else  Code = Code + "  0  "  ;}  Return  Code ;}  //  Get several small numbers from an image.          Private Bitmap [] getpicvalidbyvalue (Int  Dggrayvalue) {list <Bitmap> piclist = New List <bitmap> (); Rectangle clonerect;  Int Posx1 = bmpobj. Width, posy1 = bmpobj. Height, posx2 = 0 , Posy2 = 0  ;  Bool Cut = False  ;  Int Last =-1 , Lastx = 0  ;  For ( Int J = 0 ; J <bmpobj. width; j ++) //  Find valid zone  {Cut = False  ;  For ( Int I = 0 ; I <bmpobj. height; I ++ ){  Int Pixelvalue = Bmpobj. getpixel (J, I). R;  If (Pixelvalue <dggrayvalue) //  Based on the gray value  {  If (Posx1> J) posx1 = J;  If (Posy1> I) posy1 = I; If (Posx2 <j) posx2 = J;  If (Posy2 <I) posy2 = I; cut = True  ;}};  If  (CUT)  Continue  ;  If (Last + 1 =J) {last ++ ;  Continue  ;} Clonerect = New Rectangle (posx1, posy1, posx2-posx1 + 1 , Posy2-posy1 + 1  ); Lastx = J; last = J; posx1 = Bmpobj. width; posy1 =Bmpobj. height; posx2 = 0  ; Posy2 = 0  ; Piclist. Add (bmpobj. Clone (clonerect, bmpobj. pixelformat ));  //  Copy a small image  };  Return  Piclist. toarray ();}  //  Returns the numeric string of an image.          Private   String Getpicnumber () {graybypixels ();  //  Grayscale Processing Bitmap [] pics = getpicvalidbyvalue ( 128 ); //  Get valid value Stringbuilder sb = New  Stringbuilder ();  Char  C;  For ( Int I = 0 ; I <pics. length; ++I ){  String Code = getsinglebmp code (PICS [I], 128 ); //  Get code string                  If (Numdic. trygetvalue (code, Out  C) {sb. append (c );}}  Return  SB. tostring ();}  //  Obtain a digital string of the image by calling the API.          Public  String  Getpicnum (Bitmap pic) {bmpobj = New Bitmap (PIC ); //  Convert to format32bpprgb              Return  Getpicnumber ();}  //  Obtain the numeric string (reload) of an image by calling the API)          Public   String Getpicnum ( String  Filename) {bmpobj =New  Bitmap (filename );  Return  Getpicnumber ();}  //  Output The number found in a graph. It is used to test or find the number comparison string.          Private   Void  Testnumber () {graybypixels ();  //  Grayscale Processing Bitmap [] pics = getpicvalidbyvalue ( 128 ); //  Get valid value             For ( Int I = 0 ; I <pics. length; ++ I ){  String Code = getsinglebmp code (PICS [I], 128 ); //  Get code string  Console. writeline (I); console. writeline (CODE );}}  //  An external call is used to output the numbers found in a graph.          Public   Void Testnum (Bitmap pic) {bmpobj = New Bitmap (PIC ); //  Convert to format32bpprgb  Testnumber ();}  //  An external call is used to output the numbers found in a graph. It is used to test or find a number comparison string (reload)          Public   Void Testnum ( String  Filename) {bmpobj = New Bitmap (filename); testnumber ();}}  Class  Jingdongimage: myimage {  Public  Jingdongimage (){  //  Numdic. Add ("111101111011100110001110100001110100000111000000111000001111100000111000000111100", '￥ '); Numdic. Add ( "  011110110011110011110011110011110011110011011110  " , '  0 '  ); Numdic. Add (  "  01101110011001100110011001101111  " , '  1  '  ); Numdic. Add (  "  011110110011000011000110001100011000110000111111  " , '  2  ' ); Numdic. Add (  "  011110110011000011001110000011000011110011011110  " , '  3  '  ); Numdic. Add (  "  000010000110001110010110100110111111000110000110  " , '  4  '  ); Numdic. Add ( "  011111011000011000011110000011000011110011011110  " , '  5  '  ); Numdic. Add (  "  001110011000110000111110110011110011110011011110  " , '  6  '  ); Numdic. Add (  " 111111000011000110000110001100001100011000011000  " , '  7  '  ); Numdic. Add (  "  011110110011110011011110110011110011110011011110  " , '  8  '  ); Numdic. Add (  " 011110110011110011110011011111000011000110011100  " , '  9  '  ); Numdic. Add (  "  1111  " , '  .  '  );}}  Class  Program {  Static  Void Main ( String  [] ARGs) {directoryinfo dinfo = New Directoryinfo ( @"  D:/Images  "  ); Jingdongimage Test = New  Jingdongimage ();  Foreach ( VaR File In Dinfo. getfiles () {console. writeline (file. fullname); console. writeline (test. getpicnum (file. fullname) ;}console. Readline ();}}}