ph_dct_imagehash() private method

private ph_dct_imagehash ( string file_name, System.UInt64 &Hash ) : int
file_name string
Hash System.UInt64
return int
Phash Class Documentation
Exemplo n.º 1
0
 private void button1_Click(object sender, EventArgs e)
 {
     foreach (ReferenceCard card in referenceCards)
     {
         Phash.ph_dct_imagehash(refCardDir + (String)card.dataRow["Set"] + "\\" + card.cardId + ".jpg", ref card.pHash);
         sql.dbNone("UPDATE cards SET pHash=" + card.pHash.ToString() + " WHERE id=" + card.cardId);
     }
 }
Exemplo n.º 2
0
        private void matchCard()
        {
            int cardTempId = 0;

            foreach (MagicCard card in magicCards)
            {
                cardTempId++;
                // Write the image to disk to be read by the pHash library.. should really find
                // a way to pass a pointer to image data directly
                card.cardArtBitmap.Save("tempCard" + cardTempId + ".jpg", ImageFormat.Jpeg);


                // Calculate art bitmap hash
                UInt64 cardHash = 0;
                Phash.ph_dct_imagehash("tempCard" + cardTempId + ".jpg", ref cardHash);

                int           lowestHamming = int.MaxValue;
                ReferenceCard bestMatch     = null;

                foreach (ReferenceCard referenceCard in referenceCards)
                {
                    int hamming = Phash.HammingDistance(referenceCard.pHash, cardHash);
                    if (hamming < lowestHamming)
                    {
                        lowestHamming = hamming;
                        bestMatch     = referenceCard;
                    }
                }

                if (bestMatch != null)
                {
                    card.referenceCard = bestMatch;
                    //Debug.WriteLine("Highest Similarity: " + bestMatch.name + " ID: " + bestMatch.cardId.ToString());

                    Graphics g = Graphics.FromImage(cameraBitmap);
                    g.DrawString(bestMatch.name, new Font("Tahoma", 25), Brushes.Black, new PointF(card.corners[0].X - 29, card.corners[0].Y - 39));
                    g.DrawString(bestMatch.name, new Font("Tahoma", 25), Brushes.Yellow, new PointF(card.corners[0].X - 30, card.corners[0].Y - 40));
                    g.Dispose();
                }
            }
        }