1. Articles from Roshan M. D’souza

    1-4 of 4
    1. State-of-the-art in retinal optical coherence tomography image analysis

      State-of-the-art in retinal optical coherence tomography image analysis

      Optical coherence tomography (OCT) is an emerging imaging modality that has been widely used in the field of biomedical imaging. In the recent past, it has found uses as a diagnostic tool in dermatology, cardiology, and ophthalmology. In this paper we focus on its applications in the field of ophthalmology and retinal imaging. OCT is able to non-invasively produce cross-sectional volumetric images of the tissues which can be used for analysis of tissue structure and properties. Due to the underlying physics, OCT images suffer from a granular pattern, called speckle noise, which restricts the process of interpretation. This requires specialized ...

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    2. Involuntary Eye Motion Correction in Retinal Optical Coherence Tomography: Hardware or Software Solution?

      Involuntary Eye Motion Correction in Retinal Optical Coherence Tomography: Hardware or Software Solution?

      In this paper, we review state-of-the-art techniques to correct eye motion artifacts in Optical Coherence Tomography (OCT) imaging. The methods for eye motion artifact reduction can be categorized into two major classes: 1) hardware-based techniques and 2) software-based techniques. In the first class, additional hardware is mounted onto the OCT scanner to gather information about the eye motion patterns during OCT data acquisition. This information is later processed and applied to the OCT data for creating an anatomically correct representation of the retina, either in an offline or online manner. In software based techniques, the motion patterns are approximated either ...

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    3. State-of-the-art in retinal optical coherence tomography image analysis

      State-of-the-art in retinal optical coherence tomography image analysis

      Optical coherence tomography (OCT) is an emerging imaging modality that has been widely used in the field of biomedical imaging. In the recent past, it has found uses as a diagnostic tool in dermatology, cardiology, and ophthalmology. In this paper we focus on its applications in the field of ophthalmology and retinal imaging. OCT is able to non-invasively produce cross-sectional volumetric images of the tissues which can be used for analysis of tissue structure and properties. Due to the underlying physics, OCT images suffer from a granular pattern, called speckle noise, which restricts the process of interpretation. This requires specialized ...

      Read Full Article
    4. SPARSE AND LOW RANK DECOMPOSITION BASED BATCH IMAGE ALIGNMENT FOR SPECKLE REDUCTION OF RETINAL OCT IMAGES

      SPARSE AND LOW RANK DECOMPOSITION BASED BATCH IMAGE ALIGNMENT FOR SPECKLE REDUCTION OF RETINAL OCT IMAGES

      Optical Coherence Tomography (OCT) in an emerging technique in the field of biomedical imaging, with applications in ophthalmology, dermatology, coronary imaging etc. Due to the underlying physics, OCT images usually suffer from a granular pattern, called speckle noise, which restricts the process of interpretation. Here, a sparse and low rank decomposition based method is used for speckle reduction in retinal OCT images. In this technique, at first, several OCT images of the same location (to some extent) are acquired and stacked together. The next step is the batch alignment of the images using a sparse and low-rank decomposition based technique ...

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    1-4 of 4
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  2. Topics in the News

    1. (4 articles) University of Wisconsin
    2. (1 articles) Kawasaki Medical School
    3. (1 articles) Harbin Medical University
    4. (1 articles) Hector M. Garcia-Garcia
    5. (1 articles) Bo Yu
    6. (1 articles) Ron Waksman
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    SPARSE AND LOW RANK DECOMPOSITION BASED BATCH IMAGE ALIGNMENT FOR SPECKLE REDUCTION OF RETINAL OCT IMAGES State-of-the-art in retinal optical coherence tomography image analysis Involuntary Eye Motion Correction in Retinal Optical Coherence Tomography: Hardware or Software Solution? State-of-the-art in retinal optical coherence tomography image analysis OCT parameters of the optic nerve head and the retina as surrogate markers of brain volume in a normal population, a pilot study Choroidal vessel density in unilateral hyperopic amblyopia using en-face optical coherence tomography Association between food and nutrients intakes and coronary plaque vulnerability in patients with coronary heart disease: An optical coherence tomography study Optical Coherence Tomography based treatment approach for patients with Acute Coronary Syndrome Using OCT Fixation Shift to Assess Eccentric Fixation in Children With Residual Amblyopia Intraretinal microvascular changes after ERM and ILM peeling using SSOCTA Image sensor for spectral-domain optical coherence tomography on a chip Identifying Diabetic Macular Edema and Other Retinal Diseases by Optical Coherence Tomography Image and Multiscale Deep Learning