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use mean of scan line samples

pull/11/head
Ahmet Inan 2024-04-19 16:42:03 +02:00
rodzic 5f7652e8b5
commit cfef97e6b4
1 zmienionych plików z 9 dodań i 9 usunięć
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app/src/main/java/xdsopl/robot36/Decoder.java
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@ -83,13 +83,13 @@ public class Decoder {
return mean;
}
private int scanLineStdDev(int[] lines) {
private double scanLineStdDev(int[] lines) {
double mean = scanLineMean(lines);
double stdDev = 0;
for (int diff : lines)
stdDev += (diff - mean) * (diff - mean);
stdDev = Math.sqrt(stdDev / lines.length);
return (int) Math.round(stdDev);
return stdDev;
}
private void processOneLine(int prevPulseIndex, int scanLineSamples) {
@ -127,15 +127,15 @@ public class Decoder {
return false;
if (scanLineStdDev(lines) > scanLineToleranceSamples)
return false;
Mode mode = detectMode(modes, lines[0]);
int meanSamples = (int) Math.round(scanLineMean(lines));
Mode mode = detectMode(modes, meanSamples);
curMode = mode.getName();
if (pulses[0] >= lines[0]) {
int lineSamples = lines[0];
if (pulses[0] >= meanSamples) {
int endPulse = pulses[0];
int extrapolate = endPulse / lineSamples;
int firstPulse = endPulse - extrapolate * lineSamples;
for (int pulseIndex = firstPulse; pulseIndex < endPulse; pulseIndex += lineSamples)
processOneLine(pulseIndex, lineSamples);
int extrapolate = endPulse / meanSamples;
int firstPulse = endPulse - extrapolate * meanSamples;
for (int pulseIndex = firstPulse; pulseIndex < endPulse; pulseIndex += meanSamples)
processOneLine(pulseIndex, meanSamples);
}
for (int i = 0; i < lines.length; ++i)
processOneLine(pulses[i], lines[i]);