title: Correction: A Morphological Hessian Based Approach for Retinal Blood Vessels Segmentation and Denoising Using Region Based Otsu Thresholding.
abstract: [This corrects the article DOI: 10.1371/journal.pone.0158996.].
authors: Khan
authors: K
authors: Bahadar Khan
authors: Amir
authors: A
authors: A Khaliq
authors: Muhammad
authors: M
authors: Shahid