private void CalibrateBlockPositonsWidth(IotaVtiOcrProcessor stateManager, bool isOddField)
{
int maxRating = -1;
int bestWidth = -1;
var bestStartingPositions = new List<int>();
// Determined previously
int bestHeight = stateManager.BlockHeight;
int bestYOffs = stateManager.BlockOffsetY(isOddField);
int imageWidth = stateManager.CurrentImageWidth;
var startingPositions = new List<int>();
for (int width = m_MinBlockWidth; width <= m_MaxBlockWidth; width++)
{
int totalRating = 0;
startingPositions.Clear();
for (int x = 1; x < stateManager.CurrentImageWidth - width - 1; x++)
{
bool prevTwoVerticalsAreWhite = true;
for (int y = bestYOffs; y < bestYOffs + bestHeight + 1; y++)
{
if (y >= stateManager.CurrentImageHeight) continue;
if (stateManager.CurrentImage[x - 1 + imageWidth * y] < 127 || stateManager.CurrentImage[x + imageWidth * y] < 127)
{
prevTwoVerticalsAreWhite = false;
break;
}
}
if (!prevTwoVerticalsAreWhite)
continue;
for (int y = bestYOffs; y < bestYOffs + bestHeight + 1; y++)
{
if (y >= stateManager.CurrentImageHeight) continue;
if (stateManager.CurrentImage[x + 1 + imageWidth * y] < 127)
{
totalRating++;
if (stateManager.CurrentImage[x + width - 1 + imageWidth * y] < 127 &&
stateManager.CurrentImage[x + width + imageWidth * y] > 127 &&
stateManager.CurrentImage[x + width + 1 + imageWidth * y] > 127)
{
startingPositions.Add(x);
totalRating++;
}
}
}
}
if (totalRating > maxRating)
{
// Collect stats about the starting positions ??
maxRating = totalRating;
bestWidth = width;
bestStartingPositions.Clear();
bestStartingPositions.AddRange(startingPositions);
}
}
stateManager.BlockWidth = bestWidth;
var calibrationBlock = new CalibratedBlockPosition(stateManager.CurrentImage)
{
BlockWidth = bestWidth,
BlockHeight = bestHeight,
BlockOffsetY = bestYOffs,
BestStartingPositions = bestStartingPositions.ToArray(),
IsOddField = isOddField
};
m_CalibratedPositons.Add(calibrationBlock);
}
private void CalibrateBlockPositonsWidth(IotaVtiOcrProcessor stateManager, bool isOddField)
{
int maxRating = -1;
int bestWidth = -1;
var bestStartingPositions = new List <int>();
// Determined previously
int bestHeight = stateManager.BlockHeight;
int bestYOffs = stateManager.BlockOffsetY(isOddField);
int imageWidth = stateManager.CurrentImageWidth;
var startingPositions = new List <int>();
for (int width = m_MinBlockWidth; width <= m_MaxBlockWidth; width++)
{
int totalRating = 0;
startingPositions.Clear();
for (int x = 1; x < stateManager.CurrentImageWidth - width - 1; x++)
{
bool prevTwoVerticalsAreWhite = true;
for (int y = bestYOffs; y < bestYOffs + bestHeight + 1; y++)
{
if (y >= stateManager.CurrentImageHeight)
{
continue;
}
if (stateManager.CurrentImage[x - 1 + imageWidth * y] < 127 || stateManager.CurrentImage[x + imageWidth * y] < 127)
{
prevTwoVerticalsAreWhite = false;
break;
}
}
if (!prevTwoVerticalsAreWhite)
{
continue;
}
for (int y = bestYOffs; y < bestYOffs + bestHeight + 1; y++)
{
if (y >= stateManager.CurrentImageHeight)
{
continue;
}
if (stateManager.CurrentImage[x + 1 + imageWidth * y] < 127)
{
totalRating++;
if (stateManager.CurrentImage[x + width - 1 + imageWidth * y] < 127 &&
stateManager.CurrentImage[x + width + imageWidth * y] > 127 &&
stateManager.CurrentImage[x + width + 1 + imageWidth * y] > 127)
{
startingPositions.Add(x);
totalRating++;
}
}
}
}
if (totalRating > maxRating)
{
// Collect stats about the starting positions ??
maxRating = totalRating;
bestWidth = width;
bestStartingPositions.Clear();
bestStartingPositions.AddRange(startingPositions);
}
}
stateManager.BlockWidth = bestWidth;
var calibrationBlock = new CalibratedBlockPosition(stateManager.CurrentImage)
{
BlockWidth = bestWidth,
BlockHeight = bestHeight,
BlockOffsetY = bestYOffs,
BestStartingPositions = bestStartingPositions.ToArray(),
IsOddField = isOddField
};
m_CalibratedPositons.Add(calibrationBlock);
}
