Evaluation of monoscopic and stereoscopic displays for visual–spatial tasks in medical contexts

Escobar, Marisol Martinez; Junke, Bethany; Holub, Joseph; Hisley, Kenneth; Eliot, David J.; Winer, Eliot H.

doi:10.1016/j.compbiomed.2015.03.026

Cited by 10 publications

(3 citation statements)

References 18 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Distinction between stereoscopic and monoscopic modalities within 3DVT is essential to make since different processes are involved. Research has shown that recognition of digital 3D objects appears to be greater when objects are presented stereoscopically (Kytö et al, 2014 ; Martinez et al, 2015 ; Railo et al, 2018 ; Anderson et al, 2019 ). More importantly, the type of modality can significantly affect learning.…”

Section: Introductionmentioning

confidence: 99%

Effect of binocular disparity on learning anatomy with stereoscopic augmented reality visualization: A double center randomized controlled trial

Bogomolova

Vorstenbosch

Messaoudi

et al. 2022

Anatomical Sciences Ed

View full text Add to dashboard Cite

Binocular disparity provides one of the important depth cues within stereoscopic three‐dimensional (3D) visualization technology. However, there is limited research on its effect on learning within a 3D augmented reality (AR) environment. This study evaluated the effect of binocular disparity on the acquisition of anatomical knowledge and perceived cognitive load in relation to visual‐spatial abilities. In a double‐center randomized controlled trial, first‐year (bio)medical undergraduates studied lower extremity anatomy in an interactive 3D AR environment either with a stereoscopic 3D view (n = 32) or monoscopic 3D view (n = 34). Visual‐spatial abilities were tested with a mental rotation test. Anatomical knowledge was assessed by a validated 30‐item written test and 30‐item specimen test. Cognitive load was measured by the NASA‐TLX questionnaire. Students in the stereoscopic 3D and monoscopic 3D groups performed equally well in terms of percentage correct answers (written test: 47.9 ± 15.8 vs. 49.1 ± 18.3; P = 0.635; specimen test: 43.0 ± 17.9 vs. 46.3 ± 15.1; P = 0.429), and perceived cognitive load scores (6.2 ± 1.0 vs. 6.2 ± 1.3; P = 0.992). Regardless of intervention, visual‐spatial abilities were positively associated with the specimen test scores (η2 = 0.13, P = 0.003), perceived representativeness of the anatomy test questions (P = 0.010) and subjective improvement in anatomy knowledge (P < 0.001). In conclusion, binocular disparity does not improve learning anatomy. Motion parallax should be considered as another important depth cue that contributes to depth perception during learning in a stereoscopic 3D AR environment.

show abstract

Section: Introductionmentioning

confidence: 99%

Effect of binocular disparity on learning anatomy with stereoscopic augmented reality visualization: A double center randomized controlled trial

Bogomolova

Vorstenbosch

Messaoudi

et al. 2022

Anatomical Sciences Ed

View full text Add to dashboard Cite

show abstract

“…Stereoscopy has been shown to enhance the perception of contrast [2]. In the medical context, the stereoscopic display has been shown to improve visual-spatial tasks and visualization [3,4].…”

Section: Introductionmentioning

confidence: 99%

Benefit of stereoscopic volume rendering for the identification of pediatric pulmonary vein stenosis from CT angiography

et al. 2023

View full text Add to dashboard Cite

The use of three-dimensional (3D) technologies in medical practice is increasing; however, its use is largely untested. One 3D technology, stereoscopic volume-rendered 3D display, can improve depth perception. Pulmonary vein stenosis (PVS) is a rare cardiovascular pathology, often diagnosed by computed tomography (CT), where volume rendering may be useful. Depth cues may be lost when volume rendered CT is displayed on regular screens instead of 3D displays. The objective of this study was to determine whether the 3D stereoscopic display of volume-rendered CT improved perception compared to standard monoscopic display, as measured by PVS diagnosis. CT angiograms (CTAs) from 18 pediatric patients aged 3 weeks to 2 years were volume rendered and displayed with and without stereoscopic display. Patients had 0 to 4 pulmonary vein stenoses. Participants viewed the CTAs in 2 groups with half on monoscopic and half on stereoscopic display and the converse a minimum of 2 weeks later, and their diagnoses were recorded. A total of 24 study participants, comprised of experienced staff cardiologists, cardiovascular surgeons and radiologists, and their trainees viewed the CTAs and assessed the presence and location of PVS. Cases were classified as simple (2 or fewer lesions) or complex (3 or more lesions). Overall, there were fewer type 2 errors in diagnosis for stereoscopic display than standard display, an insignificant difference (p = 0.095). There was a significant decrease in type 2 errors for complex multiple lesion cases (≥3) vs simpler cases (p = 0.027) and improvement in localization of pulmonary veins (p = 0.011). Subjectively, 70% of participants stated that stereoscopy was helpful in the identification of PVS. The stereoscopic display did not result in significantly decreased errors in PVS diagnosis but was helpful for more complex cases.

show abstract

“…This is extremely evident in mobile where there are currently no tools that use raycasting for 3D data, much less 4D. Previous research has shown 3D monoscopic (3D without glasses) and 3D stereoscopic (3D requiring glasses) displays to increase users' understanding of shapes [191,192]. This was proven beneficial in mammogram lesion detection where new lesions were detected with stereo mammograms that were not detected in traditional film [193].…”

Section: Functional Imaging Toolsmentioning

confidence: 99%

Dynamic Volume Rendering of Functional Medical Data on Dissimilar Hardware Platforms

Holub¹

View full text Add to dashboard Cite

In the last 30 years, medical imaging has become one of the most used diagnostic tools in the medical profession. Computed Tomography (CT) and Magnetic Resonance Imaging (MRI) technologies have become widely adopted because of their ability to capture the human body in a non-invasive manner. A volumetric dataset is a series of orthogonal 2D slices captured at a regular interval, typically along the axis of the body from the head to the feet. Volume rendering is a computer graphics technique that allows volumetric data to be visualized and manipulated as a single 3D object. Isosurface rendering, image splatting, shear warp, texture slicing, and raycasting are volume rendering methods, each with associated advantages and disadvantages. Raycasting is widely regarded as the highest quality renderer of these methods.

show abstract

Evaluation of monoscopic and stereoscopic displays for visual–spatial tasks in medical contexts

Cited by 10 publications

References 18 publications

Effect of binocular disparity on learning anatomy with stereoscopic augmented reality visualization: A double center randomized controlled trial

Effect of binocular disparity on learning anatomy with stereoscopic augmented reality visualization: A double center randomized controlled trial

Benefit of stereoscopic volume rendering for the identification of pediatric pulmonary vein stenosis from CT angiography

Dynamic Volume Rendering of Functional Medical Data on Dissimilar Hardware Platforms

Contact Info

Product

Resources

About