Sentence examples for been used for face from inspiring English sources

For instance, the orthogonal 2D Zernike moments and their variants have been used for face recognition in [39 42].

Color information, mostly in the pre-Viola-Jones era, has been used for face and mouth detection.

Kernel methods have been used for face recognition [30] and handwritten digit recognition [31] and achieved higher robustness to noise [30].

The PCA-basedd eigenfaces approach has been used for face recognition purposes [45, 46] and is still close to the state of the art for this application [43].

For example, point clouds, depth maps, multiple profiles, voxels, curvature and shape index [87] have been used for face recognition, and these have not yet fully exploited for landmarking.

PCA has widely been used for face and expression recognition [23, 41] with good accuracy and more recently has also been used as a DR technique [7, 14, 42, 43].

On Android devices, the front-facing camera would soon be used for "face unlock", a feature which lets the phone recognise its user and unlock without needing a passcode.

All color spaces such as RGB, HIS, and YCbCr can be used for face recognition [33].

In this paper, the moments that will be used for face recognition are obtained from the orthogonal Gaussian-Hermite polynomials.

Experiments reported have shown that the down-sampled low-resolution face image could be used for face classification directly.

They can also be used for face shape compression and matching, as will be described in Sections "Facial surface compression" and "Face alignment", respectively.