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Fingertip detection algorithm based on maximum discrimination HOG feature in complex background

IEEE access, 2023-01, Vol.11, p.1-1 [Peer Reviewed Journal]

Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2023 ;ISSN: 2169-3536 ;EISSN: 2169-3536 ;DOI: 10.1109/ACCESS.2023.3234526 ;CODEN: IAECCG

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  • Title:
    Fingertip detection algorithm based on maximum discrimination HOG feature in complex background
  • Author: Ji, Peng ; Feng, Jinxiang ; Ma, Fengying ; Wang, Xianjian ; Li, Chenglong
  • Subjects: Algorithms ; Cameras ; Classifiers ; Color ; Detection algorithms ; Dictionaries ; Edge detection ; Feature extraction ; Fingerprint recognition ; Fingertip detection ; HED edge detection ; HOG features ; Human computer interaction ; Image color analysis ; Image edge detection ; Image segmentation ; Lighting ; Robot control ; Target detection ; Target recognition ; Training ; XGBoost
  • Is Part Of: IEEE access, 2023-01, Vol.11, p.1-1
  • Description: Gesture fingertip detection plays a vital role in human-computer interaction applications such as VR and robot control. To improve the accuracy of fingertip detection in complex background, this paper proposes a fingertip detection algorithm based on a novel maximum discrimination HOG feature. Firstly, the Holistically-nested edge detection algorithm is used to detect the edge of hand images and non-hand images, and the HOG features of the contour edge are extracted to obtain the training set of positive and negative samples to reduce the influence of illumination, color, and texture on fingertip detection. Secondly, the maximum discrimination features are filtered from the positive sample set by a custom maximum discrimination feature filter and stored as a feature dictionary. The filtered maximum discrimination features and negative sample set are input into the XGBoost classifier for training and the voting rights classifier is obtained. Filtering maximum discrimination features can reduce the interference of irrelevant features and improve the performance of the classifier. Then, the KNN algorithm is used to find the best match in the dictionary, and the final fingertip position is obtained by the Meanshift algorithm. Finally, the algorithm in this paper is tested. The test results show that the accuracy of fingertip detection in this paper can reach 99 %, and the detected RMSE is kept in the range of 5 pixels, which is higher than that based on YCbCr skin color segmentation, YOLO target detection, and YOLO-YCbCr.
  • Publisher: Piscataway: IEEE
  • Language: English
  • Identifier: ISSN: 2169-3536
    EISSN: 2169-3536
    DOI: 10.1109/ACCESS.2023.3234526
    CODEN: IAECCG
  • Source: DOAJ Directory of Open Access Journals
    IEEE Open Access Journals
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