feat(face): 添加人脸识别距离过滤功能

- 在FaceHelper中添加人脸宽度小于200像素时的过滤逻辑
- 当检测到人脸过小时自动清除左侧人脸数据
- 防止远距离小人脸影响识别准确性
- 保留原有的活体检测流程不变

lib_face/src/main/java/com/sw/plate/utils/arcface/face/FaceHelper.java

@@ -341,6 +341,14 @@ public class FaceHelper implements FaceListener {
             refreshTrackId(faceInfoList);
             if (faceInfoList.isEmpty()) {
                 return facePreviewInfoList;
+            } else {
+                FaceInfo currentFaceInfo = faceInfoList.get(0);
+//                L.e("currentFaceInfo  width=" + currentFaceInfo.getRect().width() +
+//                        "---height" + currentFaceInfo.getRect().height());
+                if (currentFaceInfo.getRect().width() < 200) {//距离远（人脸小），不识别
+                    clearLeftFace(facePreviewInfoList);
+                    return facePreviewInfoList;
+                }
             }
             if (!onlyDetectLiveness) {
                 code = ftEngine.process(rgbNv21, previewSize.width, previewSize.height, FaceEngine.CP_PAF_NV21, faceInfoList,