Hier werden die Unterschiede zwischen zwei Versionen angezeigt.
| Beide Seiten der vorigen RevisionVorhergehende ÜberarbeitungNächste Überarbeitung | Vorhergehende Überarbeitung | ||
| face_detection:torch3vision [2009/05/26 13:43] – gerald | face_detection:torch3vision [2024/02/29 13:36] (aktuell) – Externe Bearbeitung 127.0.0.1 | ||
|---|---|---|---|
| Zeile 2: | Zeile 2: | ||
| {{tag> | {{tag> | ||
| + | |||
| + | jpegtopnm is obsolete under debian. Use djpeg instead | ||
| + | < | ||
| [[http:// | [[http:// | ||
| - | Quelle((http:// | + | Quelle |
| You will need the C++ Compiler ' | You will need the C++ Compiler ' | ||
| Zeile 16: | Zeile 19: | ||
| * Build the vison examples for face detection: cd vision2.1/ | * Build the vison examples for face detection: cd vision2.1/ | ||
| | | ||
| + | |||
| + | |||
| + | Jetzt 3 Programme in neuen Unterverzeichnis '' | ||
| + | * haarscan - Schnelle, zuverlässige Erkennung | ||
| + | * mlpcascadescan - Sehr zuverlössige Erkennung, bei ganz kleinen Bildern geht es nicht richtig, grosse (> | ||
| + | * mlpscan - Seh keinen rechten Unterschied zum vorherigen. | ||
| + | |||
| + | Jedes dieser 3 Programme braucht eine Modeldatei zur Gesichtererkennung. Diese 3 Dateien liegen unter '' | ||
| Zeile 26: | Zeile 37: | ||
| </ | </ | ||
| This command takes about 20s to run on my creaky old laptop, and creates two files. | This command takes about 20s to run on my creaky old laptop, and creates two files. | ||
| + | |||
| + | [[http:// | ||
| + | |||
| + | Parmaters (as far as i found out): | ||
| + | * -minWsize n: min size n in pixel to recognize a face | ||
| + | * -nbest n : save the best n results only | ||
| + | * -dir < | ||
| + | * -savepos | ||
| + | * -draw -> draw ppm image with detections | ||
| + | * -savejpg | ||
| + | * -verbose: tell a little bit more what you doing... | ||
| The other file ‘andy.pos’ contains the results of face detection. Line one is the number of detections, then each line has format x y w h, very easy to parse. | The other file ‘andy.pos’ contains the results of face detection. Line one is the number of detections, then each line has format x y w h, very easy to parse. | ||