A Microbolometer Asynchronous Dynamic Vision Sensor for LWIR
In this paper, a novel event-based dynamic IR vision sensor is presented. The device combines an uncooled microbolometer array with biology-inspired (ldquoneuromorphicrdquo) readout circuitry to implement an asynchronous, ldquospikingrdquo vision sensor for the 8-15 mum thermal infrared spectral ran...
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| Veröffentlicht in: | IEEE sensors journal 2009-06, Vol.9 (6), p.654-664 |
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| creator | Posch, C. Matolin, D. Wohlgenannt, R. Maier, T. Litzenberger, M. |
| description | In this paper, a novel event-based dynamic IR vision sensor is presented. The device combines an uncooled microbolometer array with biology-inspired (ldquoneuromorphicrdquo) readout circuitry to implement an asynchronous, ldquospikingrdquo vision sensor for the 8-15 mum thermal infrared spectral range. The sensor's autonomous pixels independently respond to changes in thermal IR radiation and communicate detected variations in the form of asynchronous ldquoaddress-events.rdquo The 64times64 pixel ROIC chip has been fabricated in a 0.35 mum 2P4M standard CMOS process, covers about 4times4 mm 2 of silicon area and consumes 8 mW of power. An amorphous silicon (a-Si) microbolometer array has been processed on top of the ROIC and contacted to the pixel circuits. We discuss the bolometer detector properties, describe the pixel circuits and the implemented sensor architecture, and show measurement results of the readout circuits. Subsequently, a DFT-based approach to the characterization of asynchronous, spiking sensor arrays is discussed and applied. Test results and analysis of sensitivity, bandwidth, and noise of the fabricated IR sensor prototype are presented. |
| doi_str_mv | 10.1109/JSEN.2009.2020658 |
| format | Article |
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The device combines an uncooled microbolometer array with biology-inspired (ldquoneuromorphicrdquo) readout circuitry to implement an asynchronous, ldquospikingrdquo vision sensor for the 8-15 mum thermal infrared spectral range. The sensor's autonomous pixels independently respond to changes in thermal IR radiation and communicate detected variations in the form of asynchronous ldquoaddress-events.rdquo The 64times64 pixel ROIC chip has been fabricated in a 0.35 mum 2P4M standard CMOS process, covers about 4times4 mm 2 of silicon area and consumes 8 mW of power. An amorphous silicon (a-Si) microbolometer array has been processed on top of the ROIC and contacted to the pixel circuits. We discuss the bolometer detector properties, describe the pixel circuits and the implemented sensor architecture, and show measurement results of the readout circuits. Subsequently, a DFT-based approach to the characterization of asynchronous, spiking sensor arrays is discussed and applied. Test results and analysis of sensitivity, bandwidth, and noise of the fabricated IR sensor prototype are presented.</description><identifier>ISSN: 1530-437X</identifier><identifier>EISSN: 1558-1748</identifier><identifier>DOI: 10.1109/JSEN.2009.2020658</identifier><identifier>CODEN: ISJEAZ</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Address-event representation (AER) ; Arrays ; asynchronous vision sensors ; Biosensors ; bolometers ; Circuits ; Dynamics ; Infrared detectors ; infrared image sensors ; Infrared radiation ; Infrared sensors ; Infrared spectra ; machine vision ; Microorganisms ; neuromorphic electronics ; Pixels ; Radiation detectors ; Sensitivity analysis ; Sensor arrays ; Sensor phenomena and characterization ; Sensors ; Silicon radiation detectors ; Thermal sensors ; Vision</subject><ispartof>IEEE sensors journal, 2009-06, Vol.9 (6), p.654-664</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2009</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c418t-36b5c7984ff8496b620b7b59fe05b231b64d49d00ca923bd4773658b8e5707263</citedby><cites>FETCH-LOGICAL-c418t-36b5c7984ff8496b620b7b59fe05b231b64d49d00ca923bd4773658b8e5707263</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/4897238$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>315,781,785,797,27928,27929,54762</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/4897238$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Posch, C.</creatorcontrib><creatorcontrib>Matolin, D.</creatorcontrib><creatorcontrib>Wohlgenannt, R.</creatorcontrib><creatorcontrib>Maier, T.</creatorcontrib><creatorcontrib>Litzenberger, M.</creatorcontrib><title>A Microbolometer Asynchronous Dynamic Vision Sensor for LWIR</title><title>IEEE sensors journal</title><addtitle>JSEN</addtitle><description>In this paper, a novel event-based dynamic IR vision sensor is presented. The device combines an uncooled microbolometer array with biology-inspired (ldquoneuromorphicrdquo) readout circuitry to implement an asynchronous, ldquospikingrdquo vision sensor for the 8-15 mum thermal infrared spectral range. The sensor's autonomous pixels independently respond to changes in thermal IR radiation and communicate detected variations in the form of asynchronous ldquoaddress-events.rdquo The 64times64 pixel ROIC chip has been fabricated in a 0.35 mum 2P4M standard CMOS process, covers about 4times4 mm 2 of silicon area and consumes 8 mW of power. An amorphous silicon (a-Si) microbolometer array has been processed on top of the ROIC and contacted to the pixel circuits. We discuss the bolometer detector properties, describe the pixel circuits and the implemented sensor architecture, and show measurement results of the readout circuits. Subsequently, a DFT-based approach to the characterization of asynchronous, spiking sensor arrays is discussed and applied. Test results and analysis of sensitivity, bandwidth, and noise of the fabricated IR sensor prototype are presented.</description><subject>Address-event representation (AER)</subject><subject>Arrays</subject><subject>asynchronous vision sensors</subject><subject>Biosensors</subject><subject>bolometers</subject><subject>Circuits</subject><subject>Dynamics</subject><subject>Infrared detectors</subject><subject>infrared image sensors</subject><subject>Infrared radiation</subject><subject>Infrared sensors</subject><subject>Infrared spectra</subject><subject>machine vision</subject><subject>Microorganisms</subject><subject>neuromorphic electronics</subject><subject>Pixels</subject><subject>Radiation detectors</subject><subject>Sensitivity analysis</subject><subject>Sensor arrays</subject><subject>Sensor phenomena and characterization</subject><subject>Sensors</subject><subject>Silicon radiation detectors</subject><subject>Thermal sensors</subject><subject>Vision</subject><issn>1530-437X</issn><issn>1558-1748</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNqFkTtPwzAUhSMEEqXwAxBLxABTyvXblliqUqCogER5bVacOiJVGhe7HfrvcWjFwACDH8N3ju49J0mOEfQQAnVxNxk-9DCAihcGzuRO0kGMyQwJKnfbP4GMEvG-nxyEMANASjDRSS776X1VeGdc7eZ2aX3aD-um-PCucauQXq2bfF4V6WsVKtekE9sE59MynvHb6Okw2SvzOtij7dtNXq6Hz4PbbPx4Mxr0x1lBkVxmhBtWCCVpWUqquOEYjDBMlRaYwQQZTqdUTQGKXGFiplQIEjcw0jIBAnPSTc43vgvvPlc2LPW8CoWt67yxcUqtgHCCJKB_SSkYUCZo63n2J0kopRhR-S8Y00Y80hE8_QXO3Mo3MRgtOQJJ4NsNbaCYeQjelnrhq3nu1xqBbpvUbZO6bVJvm4yak42mstb-8FQqgYkkX-SSlnA</recordid><startdate>200906</startdate><enddate>200906</enddate><creator>Posch, C.</creator><creator>Matolin, D.</creator><creator>Wohlgenannt, R.</creator><creator>Maier, T.</creator><creator>Litzenberger, M.</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. (IEEE)</general><scope>97E</scope><scope>RIA</scope><scope>RIE</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7U5</scope><scope>8FD</scope><scope>L7M</scope><scope>7T7</scope><scope>C1K</scope><scope>FR3</scope><scope>P64</scope><scope>F28</scope></search><sort><creationdate>200906</creationdate><title>A Microbolometer Asynchronous Dynamic Vision Sensor for LWIR</title><author>Posch, C. ; Matolin, D. ; Wohlgenannt, R. ; Maier, T. ; Litzenberger, M.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c418t-36b5c7984ff8496b620b7b59fe05b231b64d49d00ca923bd4773658b8e5707263</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Address-event representation (AER)</topic><topic>Arrays</topic><topic>asynchronous vision sensors</topic><topic>Biosensors</topic><topic>bolometers</topic><topic>Circuits</topic><topic>Dynamics</topic><topic>Infrared detectors</topic><topic>infrared image sensors</topic><topic>Infrared radiation</topic><topic>Infrared sensors</topic><topic>Infrared spectra</topic><topic>machine vision</topic><topic>Microorganisms</topic><topic>neuromorphic electronics</topic><topic>Pixels</topic><topic>Radiation detectors</topic><topic>Sensitivity analysis</topic><topic>Sensor arrays</topic><topic>Sensor phenomena and characterization</topic><topic>Sensors</topic><topic>Silicon radiation detectors</topic><topic>Thermal sensors</topic><topic>Vision</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Posch, C.</creatorcontrib><creatorcontrib>Matolin, D.</creatorcontrib><creatorcontrib>Wohlgenannt, R.</creatorcontrib><creatorcontrib>Maier, T.</creatorcontrib><creatorcontrib>Litzenberger, M.</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 2005-present</collection><collection>IEEE All-Society Periodicals Package (ASPP) 1998-Present</collection><collection>IEEE Electronic Library (IEL)</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><jtitle>IEEE sensors journal</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Posch, C.</au><au>Matolin, D.</au><au>Wohlgenannt, R.</au><au>Maier, T.</au><au>Litzenberger, M.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A Microbolometer Asynchronous Dynamic Vision Sensor for LWIR</atitle><jtitle>IEEE sensors journal</jtitle><stitle>JSEN</stitle><date>2009-06</date><risdate>2009</risdate><volume>9</volume><issue>6</issue><spage>654</spage><epage>664</epage><pages>654-664</pages><issn>1530-437X</issn><eissn>1558-1748</eissn><coden>ISJEAZ</coden><abstract>In this paper, a novel event-based dynamic IR vision sensor is presented. The device combines an uncooled microbolometer array with biology-inspired (ldquoneuromorphicrdquo) readout circuitry to implement an asynchronous, ldquospikingrdquo vision sensor for the 8-15 mum thermal infrared spectral range. The sensor's autonomous pixels independently respond to changes in thermal IR radiation and communicate detected variations in the form of asynchronous ldquoaddress-events.rdquo The 64times64 pixel ROIC chip has been fabricated in a 0.35 mum 2P4M standard CMOS process, covers about 4times4 mm 2 of silicon area and consumes 8 mW of power. An amorphous silicon (a-Si) microbolometer array has been processed on top of the ROIC and contacted to the pixel circuits. We discuss the bolometer detector properties, describe the pixel circuits and the implemented sensor architecture, and show measurement results of the readout circuits. Subsequently, a DFT-based approach to the characterization of asynchronous, spiking sensor arrays is discussed and applied. Test results and analysis of sensitivity, bandwidth, and noise of the fabricated IR sensor prototype are presented.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/JSEN.2009.2020658</doi><tpages>11</tpages></addata></record> |
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| ispartof | IEEE sensors journal, 2009-06, Vol.9 (6), p.654-664 |
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| subjects | Address-event representation (AER) Arrays asynchronous vision sensors Biosensors bolometers Circuits Dynamics Infrared detectors infrared image sensors Infrared radiation Infrared sensors Infrared spectra machine vision Microorganisms neuromorphic electronics Pixels Radiation detectors Sensitivity analysis Sensor arrays Sensor phenomena and characterization Sensors Silicon radiation detectors Thermal sensors Vision |
| title | A Microbolometer Asynchronous Dynamic Vision Sensor for LWIR |
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