ConnectedComponentLabeling.CCL.AggregatePatterns C# (CSharp) Method

        private Dictionary<int, List<Pixel>> AggregatePatterns(Dictionary<int, Label> allLabels)
        {
            var patterns = new Dictionary<int, List<Pixel>>();

            for (int i = 0; i < _height; i++)
            {
                for (int j = 0; j < _width; j++)
                {
                    int patternNumber = _board[j, i];

                    if (patternNumber != 0)
                    {
                        patternNumber = allLabels[patternNumber].GetRoot().Name;

                        if (!patterns.ContainsKey(patternNumber))
                        {
                            patterns[patternNumber] = new List<Pixel>();
                        }

                        patterns[patternNumber].Add(new Pixel(new Point(j, i), Color.Black));
                    }
                }
            }

            return patterns;
        }