First-Arrival Differential Counting for SPAD Array Design
We present a novel architecture for the design of single-photon detecting arrays that captures relative intensity or timing information from a scene, rather than absolute. The proposed method for capturing relative information between pixels or groups of pixels requires very little circuitry, and th...
| Main Authors: | , , , , , |
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| Other Authors: | |
| Format: | Article |
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Multidisciplinary Digital Publishing Institute
2023
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| Online Access: | https://hdl.handle.net/1721.1/153159 |
| _version_ | 1826193736574435328 |
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| author | White, Mel Zhang, Tianyi Dave, Akshat Ghajari, Shahaboddin Molnar, Alyosha Veeraraghavan, Ashok |
| author2 | Massachusetts Institute of Technology. Media Laboratory |
| author_facet | Massachusetts Institute of Technology. Media Laboratory White, Mel Zhang, Tianyi Dave, Akshat Ghajari, Shahaboddin Molnar, Alyosha Veeraraghavan, Ashok |
| author_sort | White, Mel |
| collection | MIT |
| description | We present a novel architecture for the design of single-photon detecting arrays that captures relative intensity or timing information from a scene, rather than absolute. The proposed method for capturing relative information between pixels or groups of pixels requires very little circuitry, and thus allows for a significantly higher pixel packing factor than is possible with per-pixel TDC approaches. The inherently compressive nature of the differential measurements also reduces data throughput and lends itself to physical implementations of compressed sensing, such as Haar wavelets. We demonstrate this technique for HDR imaging and LiDAR, and describe possible future applications. |
| first_indexed | 2024-09-23T09:44:07Z |
| format | Article |
| id | mit-1721.1/153159 |
| institution | Massachusetts Institute of Technology |
| last_indexed | 2024-09-23T09:44:07Z |
| publishDate | 2023 |
| publisher | Multidisciplinary Digital Publishing Institute |
| record_format | dspace |
| spelling | mit-1721.1/1531592024-01-24T21:51:02Z First-Arrival Differential Counting for SPAD Array Design White, Mel Zhang, Tianyi Dave, Akshat Ghajari, Shahaboddin Molnar, Alyosha Veeraraghavan, Ashok Massachusetts Institute of Technology. Media Laboratory We present a novel architecture for the design of single-photon detecting arrays that captures relative intensity or timing information from a scene, rather than absolute. The proposed method for capturing relative information between pixels or groups of pixels requires very little circuitry, and thus allows for a significantly higher pixel packing factor than is possible with per-pixel TDC approaches. The inherently compressive nature of the differential measurements also reduces data throughput and lends itself to physical implementations of compressed sensing, such as Haar wavelets. We demonstrate this technique for HDR imaging and LiDAR, and describe possible future applications. 2023-12-14T15:49:29Z 2023-12-14T15:49:29Z 2023-11-27 2023-12-08T15:10:42Z Article http://purl.org/eprint/type/JournalArticle https://hdl.handle.net/1721.1/153159 Sensors 23 (23): 9445 (2023) PUBLISHER_CC http://dx.doi.org/10.3390/s23239445 Creative Commons Attribution https://creativecommons.org/licenses/by/4.0/ application/pdf Multidisciplinary Digital Publishing Institute Multidisciplinary Digital Publishing Institute |
| spellingShingle | White, Mel Zhang, Tianyi Dave, Akshat Ghajari, Shahaboddin Molnar, Alyosha Veeraraghavan, Ashok First-Arrival Differential Counting for SPAD Array Design |
| title | First-Arrival Differential Counting for SPAD Array Design |
| title_full | First-Arrival Differential Counting for SPAD Array Design |
| title_fullStr | First-Arrival Differential Counting for SPAD Array Design |
| title_full_unstemmed | First-Arrival Differential Counting for SPAD Array Design |
| title_short | First-Arrival Differential Counting for SPAD Array Design |
| title_sort | first arrival differential counting for spad array design |
| url | https://hdl.handle.net/1721.1/153159 |
| work_keys_str_mv | AT whitemel firstarrivaldifferentialcountingforspadarraydesign AT zhangtianyi firstarrivaldifferentialcountingforspadarraydesign AT daveakshat firstarrivaldifferentialcountingforspadarraydesign AT ghajarishahaboddin firstarrivaldifferentialcountingforspadarraydesign AT molnaralyosha firstarrivaldifferentialcountingforspadarraydesign AT veeraraghavanashok firstarrivaldifferentialcountingforspadarraydesign |