Ejemplo n.º 1
0
  public void deleteVerticaltwoPath() {

    this.interest = this.verticalInterest(image);

    Suurballe sb = new Suurballe();
    Graph g = this.verticalToGraph2(interest);

    // recherche des chemins
    ArrayList<Integer> chemin = sb.rechercheChemin(g, 0, g.vertices() - 1, this.interest);

    ArrayList<Integer> chemin1 = new ArrayList<>();
    ArrayList<Integer> chemin2 = new ArrayList<>();
    boolean end1 = false;

    for (int i = 0; i < chemin.size(); i++) {
      if (!end1) {
        if (chemin.get(i) != -1) {
          chemin1.add(chemin.get(i));
        } else {
          end1 = true;
        }
      } else {
        chemin2.add(chemin.get(i));
      }
    }

    this.tabDeleteColum(chemin1, chemin2);
  }
Ejemplo n.º 2
0
  public void deleteLines() {

    this.interest = this.HorizontalInterest(image);
    int nbPixels = height * width;

    Dijkstra d = new Dijkstra();
    Graph g = this.horizontalToGraph(this.interest);

    ArrayList<Integer> res = d.rechercheChemin(g, 0, g.vertices() - 1);

    int[][] newImage = new int[height - 1][width];
    int[][][] newImageColor = new int[height - 1][width][3];

    int line;
    int column = width - 1;
    boolean equals;
    int pos, k;

    for (int l : res) {
      line = 0;
      pos = l % this.height - 1;
      if (pos == -1) {
        pos = this.height - 1;
      }
      equals = false;

      if (l != 0 && l != (nbPixels + 1)) {
        while (line != this.height - 1) {
          if (pos == line) {
            equals = true;
          }

          if (equals == false) {
            if (color) {
              for (k = 0; k < 3; k++)
                newImageColor[line][column][k] = this.imageRgb[line][column][k];
            } else newImage[line][column] = this.image[line][column];
          } else if (equals == true) {
            if (column < width) {
              if (color) {
                for (k = 0; k < 3; k++)
                  newImageColor[line][column][k] = this.imageRgb[line + 1][column][k];
              } else newImage[line][column] = this.image[line + 1][column];
            }
          } else {
            System.err.println("Error 0x087A4E652");
          }
          line++;
        }
      }
      column--;
    }

    if (color) this.imageRgb = newImageColor;
    else this.image = newImage;

    this.height = height - 1;
  }
Ejemplo n.º 3
0
  /**
   * @param itr - tableau contenant les facteurs d'intérêt de l'image
   * @return un graphe représentant ce tableau
   */
  public Graph horizontalToGraph(int[][] itr) {
    int nbSommets = width * height + 2;
    int i, j;
    Graph g = new Graph(nbSommets);

    // sommet tout en haut
    for (j = 0; j < height; j++) g.addEdge(new Edge(0, j + 1, 0));

    for (i = 0; i < width - 1; i++) {
      for (j = 0; j < height; j++) {
        // arête vers le haut
        if (j > 0) {
          g.addEdge(new Edge(height * i + j + 1, height * (i + 1) + j - 1 + 1, itr[j][i]));
        }
        // arête vers le bas
        if (j < height - 1) {
          g.addEdge(new Edge(height * i + j + 1, height * (i + 1) + j + 1 + 1, itr[j][i]));
        }
        // arête centrale
        g.addEdge(new Edge(height * i + j + 1, height * (i + 1) + j + 1, itr[j][i]));
      }
    }

    // sommet tout en bas
    for (j = 0; j < height; j++)
      g.addEdge(new Edge(height * (width - 1) + j + 1, height * width + 1, itr[j][i]));

    return g;
  }
Ejemplo n.º 4
0
  /**
   * @param itr - tableau contenant les facteurs d'intérêt de l'image
   * @return un graphe représentant ce tableau
   */
  public Graph verticalToGraph(int[][] itr) {
    int nbSommets = width * height + 2;
    int i, j;
    Graph g = new Graph(nbSommets);

    // sommet tout en haut
    for (j = 0; j < width; j++) g.addEdge(new Edge(0, j + 1, 0));

    for (i = 0; i < height - 1; i++) {
      for (j = 0; j < width; j++) {
        // arête vers la gauche
        if (j > 0) {
          g.addEdge(new Edge(width * i + j + 1, width * (i + 1) + (j - 1) + 1, itr[i][j]));
        }
        // arête vers la droite
        if (j < width - 1) {
          g.addEdge(new Edge(width * i + j + 1, width * (i + 1) + (j + 1) + 1, itr[i][j]));
        }
        // arête centrale
        g.addEdge(new Edge(width * i + j + 1, width * (i + 1) + j + 1, itr[i][j]));
      }
    }

    // sommet tout en bas
    for (j = 0; j < width; j++)
      g.addEdge(new Edge(width * (height - 1) + j + 1, height * width + 1, itr[i][j]));

    return g;
  }
Ejemplo n.º 5
0
  /**
   * Graphe vertical pour l'algorithme de Suurballe
   *
   * @param itr - facteurs d'intérêts de l'image
   * @return - graphe vertical des facteurs d'intérêts
   */
  public Graph verticalToGraph2(int[][] itr) {
    int h = (height - 2) * 2 + 2;
    int nbSommets = h * width + 2;
    int i, j;
    Graph g = new Graph(nbSommets);

    // sommet tout en haut
    for (j = 0; j < width; j++) g.addEdge(new Edge(0, j + 1, 0));

    int iCourant = 0;
    // lignes centrales
    for (i = 0; i < h; i++) {
      if (i != h - 1) {
        if (i % 2 == 0) {
          for (j = 0; j < width; j++) {
            // arête vers la gauche
            if (j > 0) {
              g.addEdge(new Edge(i * width + j + 1, (i + 1) * width + j, itr[iCourant][j]));
            }
            // arête vers la droite
            if (j < width - 1) {
              g.addEdge(new Edge(i * width + j + 1, (i + 1) * width + j + 2, itr[iCourant][j]));
            }
            // arête centrale
            g.addEdge(new Edge(i * width + j + 1, (i + 1) * width + j + 1, itr[iCourant][j]));
          }
          iCourant++;
        } else {
          for (j = 0; j < width; j++) {
            g.addEdge(new Edge(i * width + j + 1, (i + 1) * width + j + 1, 0));
          }
        }
      }
    }

    // derniere ligne
    for (j = (nbSommets - 1) - width; j < nbSommets - 1; j++) {
      int pos = j % this.width - 1;
      if (pos == -1) {
        pos = this.width - 1;
      }
      g.addEdge(new Edge(j, nbSommets - 1, itr[height - 1][pos]));
    }

    return g;
  }
Ejemplo n.º 6
0
  public void addLines() {

    this.interest = this.HorizontalInterest(image);
    int nbPixels = height * width;

    Dijkstra d = new Dijkstra();
    Graph g = this.horizontalToGraph(this.interest);

    ArrayList<Integer> res = d.rechercheChemin(g, 0, g.vertices() - 1);

    int[][] newImage = new int[height + 1][width];

    int line;
    int column = width - 1;
    boolean equals;
    int pos;

    for (int l : res) {
      line = 0;
      pos = l % this.height - 1;
      if (pos == -1) {
        pos = this.height - 1;
      }
      equals = false;

      if (l != 0 && l != (nbPixels + 1)) {
        while (line != this.height + 1) {
          if (pos == line) {
            equals = true;
          }

          if (equals == false) {
            newImage[line][column] = this.image[line][column];
          } else if (equals == true) {
            // Ajout premiere ligne de pixels
            if (line == pos) {
              if (line > 0) {
                int highPixel = this.image[line - 1][column];
                int currentPixel = this.image[line][column];
                newImage[line][column] = (highPixel + currentPixel) / 2;
              } else {
                newImage[line][column] = this.image[line][column];
              }
            }
            // ajout deuxieme ligne de pixels
            else if (line == pos + 1) {
              if (line < this.height) {
                int lowPixel = this.image[line][column];
                int currentPixel = this.image[line - 1][column];
                newImage[line][column] = (lowPixel + currentPixel) / 2;
              } else {
                newImage[line][column] = this.image[line][column];
              }
            } else if (line < width + 1) {
              newImage[line][column] = this.image[line - 1][column];
            }
          } else {
            System.err.println("Error 0x087A4E652");
          }
          line++;
        }
      }
      column--;
    }

    this.image = newImage;
    this.height = height + 1;
  }
Ejemplo n.º 7
0
  public void addColumns() {

    this.interest = this.verticalInterest(image);
    int nbPixels = height * width;

    Dijkstra d = new Dijkstra();
    Graph g = this.verticalToGraph(this.interest);

    ArrayList<Integer> res = d.rechercheChemin(g, 0, g.vertices() - 1);

    int[][] newImage = new int[height][width + 1];

    int line = height - 1;
    int column;
    boolean equals;
    int pos;

    for (int l : res) {
      column = 0;
      pos = l % this.width - 1;
      if (pos == -1) {
        pos = this.width - 1;
      }
      equals = false;

      if (l != 0 && l != (nbPixels + 1)) {
        while (column != this.width + 1) {
          if (pos == column) {
            equals = true;
          }

          if (equals == false) {
            newImage[line][column] = this.image[line][column];
          } else if (equals == true) {
            // Ajout premiere colonne de pixels
            if (column == pos) {
              if (column > 0) {
                int leftPixel = this.image[line][column - 1];
                int currentPixel = this.image[line][column];
                newImage[line][column] = (leftPixel + currentPixel) / 2;
              } else {
                newImage[line][column] = this.image[line][column];
              }
            }
            // ajout deuxieme colonne de pixels
            else if (column == pos + 1) {
              if (column < this.width) {
                int rightPixel = this.image[line][column];
                int currentPixel = this.image[line][column - 1];
                newImage[line][column] = (rightPixel + currentPixel) / 2;
              } else {
                newImage[line][column] = this.image[line][column];
              }
            } else if (column < width + 1) {
              newImage[line][column] = this.image[line][column - 1];
            }
          } else {
            System.err.println("Error 0x087A4E652");
          }
          column++;
        }
      }
      line--;
    }

    this.image = newImage;
    this.width = width + 1;
  }