Maximum contrast projection: A powerful tool for biomedical image stack analysis.

Maximum intensity projection is a simple post-hoc dimension reduction approach that yields sharp 2-dimensional images from image stacks but is limited by low signal or high background. Herein, we demonstrated improvement in image contrast using maximum contrast versus maximum intensity projection in 3-dimensional phase-contrast and quantitative phase imaging of frozen cross-sections of murine peripheral nerve. Fresh frozen murine sciatic nerve sections were imaged using 3-dimensional fluorescence, phase-contrast, and quantitative phase microscopy.

Predictive Outcomes of Deep Learning Measurement of the Anterior Glottic Angle in Bilateral Vocal Fold Immobility.

Objective: (1) To compare maximum glottic opening angle (anterior glottic angle, AGA) in patients with bilateral vocal fold immobility (BVFI), unilateral vocal fold immobility (UVFI) and normal larynges (NL), and (2) to correlate maximum AGA with patient-reported outcome measures.

Methods: Patients wisth BVFI, UVFI, and NL were retrospectively studied. An open-source deep learning-based computer vision tool for vocal fold tracking was used to analyze videolaryngoscopy.

Application of a Computer Vision Tool for Automated Glottic Tracking to Vocal Fold Paralysis Patients.

Objectives: (1) Demonstrate true vocal fold (TVF) tracking software (AGATI [Automated Glottic Action Tracking by artificial Intelligence]) as a quantitative assessment of unilateral vocal fold paralysis (UVFP) in a large patient cohort. (2) Correlate patient-reported metrics with AGATI measurements of TVF anterior glottic angles, before and after procedural intervention.

Study Design: Retrospective cohort study.

An Open-Source Computer Vision Tool for Automated Vocal Fold Tracking From Videoendoscopy.

Objectives: Contemporary clinical assessment of vocal fold adduction and abduction is qualitative and subjective. Herein is described a novel computer vision tool for automated quantitative tracking of vocal fold motion from videolaryngoscopy. The potential of this software as a diagnostic aid in unilateral vocal fold paralysis is demonstrated.