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Fusing Events and Frames with Coordinate Attention Gated Recurrent Unit for Monocular Depth Estimation.
Sensors (Basel)
December 2024
School of Computer and Software Engineering, Xihua University, Chengdu 610039, China.
Monocular depth estimation is a central problem in computer vision and robot vision, aiming at obtaining the depth information of a scene from a single image. In some extreme environments such as dynamics or drastic lighting changes, monocular depth estimation methods based on conventional cameras often perform poorly. Event cameras are able to capture brightness changes asynchronously but are not able to acquire color and absolute brightness information.
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- Researchers combined a high-speed external display (360 fps) with an adaptive optics scanning laser ophthalmoscope (AOSLO) to enhance human foveal imaging for psychophysics experiments.
- A custom pupil relay was developed for precise stimulus viewing and was validated to correct refractive errors while achieving a high Strehl ratio, ensuring image clarity.
- The system achieved excellent eye-tracking capabilities, allowing for accurate localization of visual stimuli and capturing detailed images of the human central fovea, while overcoming previous limitations in temporal and spatial resolution.
Compensation to visual impairments and behavioral plasticity in navigating ants.
Proc Natl Acad Sci U S A
November 2024
Centre de Biologie Integrative, Centre de Recherches sur la Cognition Animale, Centre de Biologie Intégrative, CNRS, Université Paul Sabatier, Toulouse 31062 cedex 09, France.
Desert ants are known to rely heavily on vision while venturing for food and returning to the nest. During these foraging trips, ants memorize and recognize their visual surroundings, which enables them to recapitulate individually learned routes in a fast and effective manner. The compound eyes are crucial for such visual navigation; however, it remains unclear how information from both eyes are integrated and how ants cope with visual impairment.
View Article and Find Full Text PDFStrabismus surgery for patients with acquired nonaccommodative esotropia based on monocular occlusion test.
J AAPOS
December 2024
Translational Ophthalmology Research Center, Farabi Eye Hospital, Tehran University of Medical Sciences, Tehran, Iran.
Purpose: To evaluate the outcome of surgery based on a monocular occlusion test in patients with acquired nonaccommodative esotropia (ANAET).
Methods: Patients with ANAET in which the angle of esodeviation increased by at least 10 after 1 hour of monocular patching were enrolled prospectively.
Results: A monocular occlusion test was performed for 32 patients, of whom 14 patients showed significant change in the angle of esotropia.
Determining the Severity of Benign Urologic Health States in Men Using Utilities Measures.
Urology
October 2024
University of Iowa Carver College of Medicine, Department of Urology, Iowa City, IA. Electronic address:
Objective: To assess a population-level perceived health status of common reconstructive urologic conditions using health utilities.
Methods: Health utilities are generic quality-of-life measures that can help describe overall health status and can quantitatively compare different disease states and the perceived benefits of various interventions. An a priori determined, representative sample of adult men were recruited by Qualtrics to review standardized scenarios describing typical patients with reconstructive urologic conditions, surgeries to treat conditions, and control conditions (eg, blindness, osteoarthritis).
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