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Artifacts in fundus photographs - PubMed
- https://pubmed.ncbi.nlm.nih.gov/2625702/
- Many artifacts can be found in fundus photography and may be caused by the technician, patient, or camera. Artifacts caused by mechanical problems in the camera or from the patient's media or pupil variations are invisible until the film is developed. Most …
Fundus Photography - an overview | ScienceDirect Topics
- https://www.sciencedirect.com/topics/medicine-and-dentistry/fundus-photography
- Fundus Photography. CFP is a sensitive imaging technique showing pigmentary abnormalities, for example, various patterns of hyper- and hypo-pigmentation, indicating loss of RPE. ... Some of the disadvantages include distortion of images caused by the spherical shape of the globe, eyelash artifacts, false color representation of fundus findings ...
Detecting flash artifacts in fundus imagery - PubMed
- https://pubmed.ncbi.nlm.nih.gov/23366172/
- Detecting flash artifacts in fundus imagery Annu Int Conf IEEE Eng Med Biol Soc. 2012;2012:1442-5. doi: 10.1109/EMBC.2012.6346211. ... We have collected a set of retina fundus imagery from February 2009 to August 2011 from several clinics in the mid-South region of the USA as part of a telemedical project. These images have been screened with a ...
(PDF) Detecting flash artifacts in fundus imagery
- https://www.researchgate.net/publication/235387173_Detecting_flash_artifacts_in_fundus_imagery
- In general, artifacts commonly found in fundus images result from (1) foreign objects present in the field-of-view , (2) motion blur, (3) out-of-focus effect, and/or (4) e xtreme
Fundus Photography Technique: Step By Step - Twin Chimney
- http://www.twinchimney.com/PDFFiles/OP2E.Ch2.pdf
- Errors in Fundus Photography: Artifacts Successful fundus photographs are obtained through the mutual inter-action and proper alignment of the patient, the camera, and the photog - r a p h e r . The patient contributes a cooperative attitude and clear media. The camera must faithfully translate the fundus image using integrated
Fundus Photography Manual
- https://wwwn.cdc.gov/nchs/Data/Nhanes3/Manuals/fundus.pdf
- Fundus Photography for Health Technicians Manual Westat, Inc. 1650 Research Boulevard Rockville, MD 20850 (301) 251-1500 Revised June 1989. iii TABLE OF CONTENTS ... producing the majority of artifacts on the photographs. When the camera is not in use, the lens cap should be in place and the special dust cover must remain on the
Analyzing fundus images to detect diabetic retinopathy …
- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7940941/
- However, fundus photography is the most widespread diagnosis and screening method by recording retinal images. Diabetic retinopathy is treatable at its early stages. ... myopic maculopathy, and normal fundus photos with or without artifacts (Table 2). Table 2. Analyses of false-negative and false-positive images in the local validation data set ...
EXAMINING THE OCULAR FUNDUS AND INTERPRETING …
- http://upandrunningnetworks.com/files/C32_2.pdf
- The following sections will discuss interpreting fundus photographs, but the same principles apply to direct ophthalmoscopy. However, a discussion of fundus photography interpretation also permits a discussion of common artifacts seen on photographs that will be useful as this technology becomes more widely deployed. Normal Fundus
Representative photographs of imaging artifacts, poor …
- https://researchgate.net/figure/Representative-photographs-of-imaging-artifacts-poor-quality-images-and-failure-in_fig3_333502268
- Wide-angle photography with a 130°field-of-view of the fundus is preferred. Recently, novel noncontact digital cameras and smartphone-based imaging systems were …
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