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Emerg. Technol. Comput. Syst."],"published-print":{"date-parts":[[2018,10,31]]},"abstract":"<jats:p>Brain-inspired learning models attempt to mimic the computations performed in the neurons and synapses constituting the human brain to achieve its efficiency in cognitive tasks. In this work, we propose Spike Timing Dependent Plasticity-based unsupervised feature learning using convolution-over-time in Spiking Neural Network (SNN). We use shared weight kernels that are convolved with the input patterns over time to encode representative input features, thereby improving the sparsity as well as the robustness of the learning model. We show that the Convolutional SNN self-learns several visual categories for object recognition with limited number of training patterns while yielding comparable classification accuracy relative to the fully connected SNN. Further, we quantify the energy benefits of the Convolutional SNN over fully connected SNN on neuromorphic hardware implementation.<\/jats:p>","DOI":"10.1145\/3266229","type":"journal-article","created":{"date-parts":[[2018,11,27]],"date-time":"2018-11-27T13:18:59Z","timestamp":1543324739000},"page":"1-12","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":33,"title":["STDP-based Unsupervised Feature Learning using Convolution-over-time in Spiking Neural Networks for Energy-Efficient Neuromorphic Computing"],"prefix":"10.1145","volume":"14","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-2015-8545","authenticated-orcid":false,"given":"Gopalakrishnan","family":"Srinivasan","sequence":"first","affiliation":[{"name":"Purdue University, West Lafayette, IN, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4167-6782","authenticated-orcid":false,"given":"Priyadarshini","family":"Panda","sequence":"additional","affiliation":[{"name":"Purdue University, West Lafayette, IN, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kaushik","family":"Roy","sequence":"additional","affiliation":[{"name":"Purdue University, West Lafayette, IN, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"320","published-online":{"date-parts":[[2018,11,27]]},"reference":[{"key":"e_1_2_1_1_1","doi-asserted-by":"publisher","DOI":"10.1523\/JNEUROSCI.18-24-10464.1998"},{"volume-title":"The opencv library. 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Technology aware training in memristive neuromorphic systems based on non-ideal synaptic crossbars. arXiv Preprint arXiv:1711.08889."},{"key":"e_1_2_1_4_1","doi-asserted-by":"publisher","DOI":"10.1109\/MM.2018.112130359"},{"key":"e_1_2_1_5_1","doi-asserted-by":"publisher","DOI":"10.3389\/fncom.2015.00099"},{"key":"e_1_2_1_6_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.cviu.2005.09.012"},{"key":"e_1_2_1_7_1","doi-asserted-by":"publisher","DOI":"10.3389\/fncom.2018.00024"},{"key":"e_1_2_1_8_1","doi-asserted-by":"publisher","DOI":"10.3389\/neuro.11.005.2008"},{"key":"e_1_2_1_9_1","doi-asserted-by":"publisher","DOI":"10.1109\/TED.2017.2671353"},{"key":"e_1_2_1_10_1","unstructured":"Yingyezhe Jin Peng Li and Wenrui Zhang. 2018. Hybrid macro\/micro level backpropagation for training deep spiking neural networks. arXiv Preprint arXiv:1805.07866v1.  Yingyezhe Jin Peng Li and Wenrui Zhang. 2018. 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