調用api實現源碼
/**
* 調用Face++ API實現人臉檢測
*
* @param picUrl 待檢測圖片的訪問地址
* @return List<Face> 人臉列表
*/
private static List<Face> faceDetect(String picUrl) {
List<Face> faceList = new ArrayList<Face>();
try {
// String picUrl = "http://pic11.nipic.com/20101111/6153002_002722872554_2.jpg";
byte[] buff = getFileStream(picUrl);
String url = "https://api-cn.faceplusplus.com/facepp/v3/detect";
HashMap<String, String> map = new HashMap<>();
HashMap<String, byte[]> byteMap = new HashMap<>();
map.put("api_key", "你的api_key");
map.put("api_secret", "你的api_secret");
map.put("return_landmark", "1");
map.put("return_attributes", "gender,age,smiling,headpose,facequality,blur,eyestatus,emotion,ethnicity,beauty,mouthstatus,eyegaze,skinstatus");
byteMap.put("image_file", buff);
byte[] bacd = post(url, map, byteMap);
String json = new String(bacd);
System.out.println(json);
// 解析返回json中的Face列表
JSONArray jsonArray = JSONObject.fromObject(json).getJSONArray("faces");
// 遍歷檢測到的人臉
for (int i = 0; i < jsonArray.size(); i++) {
// face
JSONObject faceObject = (JSONObject) jsonArray.get(i);
// attribute
JSONObject attrObject = faceObject.getJSONObject("attributes");
// position
JSONObject posObject = faceObject.getJSONObject("face_rectangle");
Face face = new Face();
face.setFaceId(faceObject.getString("face_token"));
face.setAgeValue(attrObject.getJSONObject("age").getInt("value"));
// face.setAgeRange(attrObject.getJSONObject("age").getInt("range"));
face.setGenderValue(genderConvert(attrObject.getJSONObject("gender").getString("value")));
// face.setGenderConfidence(attrObject.getJSONObject("gender").getDouble("confidence"));
face.setRaceValue(raceConvert(attrObject.getJSONObject("ethnicity").getString("value")));
// face.setRaceConfidence(attrObject.getJSONObject("race").getDouble("confidence"));
face.setSmilingValue(attrObject.getJSONObject("smile").getDouble("value"));
face.setCenterX(posObject.getDouble("left") + posObject.getDouble("width"));
face.setCenterY(posObject.getDouble("top") + posObject.getDouble("height"));
faceList.add(face);
}
// 將檢測出的Face按從左至右的順序排序
Collections.sort(faceList);
} catch (Exception e) {
faceList = null;
e.printStackTrace();
}
return faceList;
}
