Opthalmic Imaging

Our team works to develop novel diagnostic strategies in ophthalmology with the focus on retinal diseases. This encompasses efforts in implementing advanced image processing methods, machine learning and deep learning. The team also works on experimental development of novel devices in ophthalmology, for example, video ophthalmoscope or pupillometric camera.


Our ophthalmology research is dedicated to retinal image and image sequences analysis with the primary focus on glaucoma and diabetic retinopathy diagnostics. The team also works on finding solutions to challenges still unsolved in the field of ophthalmology, especially, while cooperating with companies and research institutions. At its disposal the team has a laboratory with basic optical equipment including the resources to construct simple optical systems. We are currently focusing on the following research topics:

Retinal static image analysis

This research topic mainly encompasess the development of methods for retinal image processing and analysis. For the retinal photography we use fundus cameras but also other modalities, as for example, Optical Coherence Tomography (OCT). Specifically, the team works on segmentation methods of the vascular bed, evaluation of retinal nerve fiber layer and detection of pathological conditions (exudates, hemorrhage). To develop such methods we use advanced image processing and machine learning methods.

Retinal image and segmented vascular bed
Image 1: Retinal image (on the left), segmented vascular bed (in the middle), retinal vessels color-coded according to the width (on the right).

Retinal image sequences analysis

We are currently working on a development of a video ophthalmoscope that allows us to simultaneously record image sequences of the human retina and physiological signals. The image sequences are further being processed in order to evaluate the retinal blood flow. Our aim is also finding a novel diagnostic parameters that would contribute to a more accurate and timely diagnostics of retinal diseases.

Visualization of spontaneous venous pulsations at the optic disk
Visualization of spontaneous venous pulsations at the optic disk.

Other methods in our ophthalmology research

The research team also works on the anterior segment of the eye imaging. Specifically, the researchers focus on pupil segmentation and iris analysis including near-infrared spectrum imaging. These methods are beneficial in pupillometry, determining the line of sight or biometry.

Pupil segmentation and iris analysis
Pupil segmentation and iris analysis.

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