Benefits of thermal and distance-filtered imaging for wayfinding with prosthetic vision.
Benefits of thermal and distance-filtered imaging for wayfinding with prosthetic vision.
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DOI：
10.1038/s41598-024-51798-x
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发表时间：
2024-01-15
影响因子：
4.6
通讯作者：
中科院分区：
文献类型：
--
作者：
Visual prostheses such as the Argus II provide partial vision for individuals with limited or no light perception. However, their effectiveness in daily life situations is limited by scene complexity and variability. We investigated whether additional image processing techniques could improve mobility performance in everyday indoor environments. A mobile system connected to the Argus II provided thermal or distance-filtered video stimulation. Four participants used the thermal camera to locate a person and the distance filter to navigate a hallway with obstacles. The thermal camera allowed for finding a target person in 99% of trials, while unfiltered video led to confusion with other objects and a success rate of only 55% (). Similarly, the distance filter enabled participants to detect and avoid 88% of obstacles by removing background clutter, whereas unfiltered video resulted in a detection rate of only 10% (). For any given elapsed time, the success rate with filtered video was higher than with unfiltered video. After 90 s, participants’ success rate reached above 50% with filtered video and 24% and 3% with normal camera in the first and second tasks, respectively. Despite individual variations, all participants showed significant improvement when using the thermal and distance filters compared to unfiltered video. Adding a thermal and distance filter to a visual prosthesis system can enhance the performance of mobility activities by removing clutter in the background, showing people and warm objects with the thermal camera, or nearby obstacles with the distance filter.
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影响因子：
1.8
作者：
Humayun, MS;Weiland, JD;de Juan, E
通讯作者：
de Juan, E
DOI：
10.1109/embc48229.2022.9871280
发表时间：
2022-07-01
期刊：
Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference
影响因子：
--
作者：
Gibson, Paul L;Hedin, Daniel S;Boldenow, Patrick
通讯作者：
Boldenow, Patrick
影响因子：
3
作者：
Kartha A;Sadeghi R;Barry MP;Bradley C;Gibson P;Caspi A;Roy A;Dagnelie G
通讯作者：
Dagnelie G
影响因子：
4
作者：
He, Yingchen;Sun, Susan Y.;Montezuma, Sandra R.
通讯作者：
Montezuma, Sandra R.
DOI：
10.1136/bjophthalmol-2019-315513
发表时间：
2020-12
期刊：
The British journal of ophthalmology
影响因子：
--
作者：
Montezuma SR;Sun SY;Roy A;Caspi A;Dorn JD;He Y
通讯作者：
He Y