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Anleitung
Hough- Transformation
Bsp.
Kreise Bsp. Rechtecke
Kontakt
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Beispielrechnung
zur Erkennung von Rechtecken:
| Eingabebild |
Vergleichs- matrix |
* invertiertes Eingabebild |
= Ergebnismatrix |
Summe über alle Ergebnisse / Anzahl "1"
in Vergleichsmatrix |
Endergebnis |
| 0 | 0 | 0 | 0 |
| 0 | 254 | 255 | 0 |
| 0 | 0 | 0 | 0 |
| 255 | 254 | 255 | 255 |
|
|
| 255 | 255 | 255 | 255 |
| 255 | 1 | 0 | 255 |
| 255 | 255 | 255 | 255 |
| 0 | 1 | 0 | 0 |
|
| 255 | 255 | 255 | 0 |
| 255 | 0 | 0 | 0 |
| 255 | 255 | 255 | 0 |
| 0 | 0 | 0 | 0 |
|
7*255 / 9 |
198,3 |
| |
|
|
| 0 | 255 | 255 | 255 |
| 0 | 1 | 0 | 255 |
| 0 | 255 | 255 | 255 |
| 0 | 0 | 0 | 0 |
|
(7*255+1) / 9 |
198,4 |
| |
|
|
| 0 | 0 | 0 | 0 |
| 255 | 1 | 0 | 0 |
| 255 | 0 | 255 | 0 |
| 0 | 1 | 0 | 0 |
|
(3*255+2) / 9 |
85,2 |
| |
|
|
| 0 | 0 | 0 | 0 |
| 0 | 1 | 0 | 255 |
| 0 | 255 | 0 | 255 |
| 0 | 1 | 0 | 0 |
|
(3*255+2) / 9 |
85,2 |
| |
|
|
| 255 | 255 | 255 | 255 |
| 255 | 0 | 0 | 255 |
| 255 | 255 | 255 | 255 |
| 0 | 0 | 0 | 0 |
|
10*255 / 10 |
255 |
| |
|
|
| 0 | 0 | 0 | 0 |
| 255 | 1 | 0 | 255 |
| 255 | 0 | 0 | 255 |
| 0 | 1 | 0 | 0 |
|
(4*255+2) / 10 |
102,2 |
| |
|
|
| 255 | 255 | 255 | 0 |
| 255 | 0 | 0 | 0 |
| 255 | 0 | 255 | 0 |
| 0 | 1 | 0 | 0 |
|
(6*255+1) / 10 |
153,1 |
| |
|
|
| 0 | 255 | 255 | 255 |
| 0 | 1 | 0 | 255 |
| 0 | 255 | 0 | 255 |
| 0 | 1 | 0 | 0 |
|
(6*255+2) / 10 |
153,2 |
| |
|
|
| 255 | 255 | 255 | 255 |
| 255 | 0 | 0 | 255 |
| 255 | 0 | 0 | 255 |
| 0 | 1 | 0 | 0 |
|
(8*255+1) / 12 |
170,1 |
Der Maximal zu erreichende Wert (255) gibt
an, wo sich das Rechteck im Bild befindet.
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