no code implementations • 17 Jun 2024 • Alireza Nadafian, Milad Mozafari, Timothée Masquelier, Mohammad Ganjtabesh
In this article, we present an effective brain-inspired computational model for action recognition.
no code implementations • 7 Jun 2023 • Arsham Gholamzadeh Khoee, Alireza Javaheri, Saeed Reza Kheradpisheh, Mohammad Ganjtabesh
The human brain constantly learns and rapidly adapts to new situations by integrating acquired knowledge and experiences into memory.
no code implementations • 10 Feb 2021 • Fatemeh Sharifizadeh, Mohammad Ganjtabesh, Abbas Nowzari-Dalini
The human visual system contains a hierarchical sequence of modules that take part in visual perception at superordinate, basic, and subordinate categorization levels.
no code implementations • 18 Nov 2020 • Alireza Nadafian, Mohammad Ganjtabesh
The plasticity of the conduction delay between neurons plays a fundamental role in learning.
1 code implementation • 6 Mar 2019 • Milad Mozafari, Mohammad Ganjtabesh, Abbas Nowzari-Dalini, Timothée Masquelier
Application of deep convolutional spiking neural networks (SNNs) to artificial intelligence (AI) tasks has recently gained a lot of interest since SNNs are hardware-friendly and energy-efficient.
1 code implementation • 31 Mar 2018 • Milad Mozafari, Mohammad Ganjtabesh, Abbas Nowzari-Dalini, Simon J. Thorpe, Timothée Masquelier
We trained it using a combination of spike-timing-dependent plasticity (STDP) for the lower layers and reward-modulated STDP (R-STDP) for the higher ones.
no code implementations • 25 May 2017 • Milad Mozafari, Saeed Reza Kheradpisheh, Timothée Masquelier, Abbas Nowzari-Dalini, Mohammad Ganjtabesh
In the highest layers, each neuron was assigned to an object category, and it was assumed that the stimulus category was the category of the first neuron to fire.
no code implementations • 29 Mar 2017 • Matin N. Ashtiani, Saeed Reza Kheradpisheh, Timothée Masquelier, Mohammad Ganjtabesh
This means that, low frequency information is sufficient for superordinate level, but not for the basic and subordinate levels.
1 code implementation • 4 Nov 2016 • Saeed Reza Kheradpisheh, Mohammad Ganjtabesh, Simon J. Thorpe, Timothée Masquelier
Coding was very sparse, with only a few thousands spikes per image, and in some cases the object category could be reasonably well inferred from the activity of a single higher-order neuron.
no code implementations • 21 Apr 2016 • Saeed Reza Kheradpisheh, Masoud Ghodrati, Mohammad Ganjtabesh, Timothée Masquelier
This feed-forward architecture has inspired a new generation of bio-inspired computer vision systems called deep convolutional neural networks (DCNN), which are currently the best algorithms for object recognition in natural images.
no code implementations • 17 Aug 2015 • Saeed Reza Kheradpisheh, Masoud Ghodrati, Mohammad Ganjtabesh, Timothée Masquelier
Deep convolutional neural networks (DCNNs) have attracted much attention recently, and have shown to be able to recognize thousands of object categories in natural image databases.
no code implementations • 15 Apr 2015 • Saeed Reza Kheradpisheh, Mohammad Ganjtabesh, Timothée Masquelier
Retinal image of surrounding objects varies tremendously due to the changes in position, size, pose, illumination condition, background context, occlusion, noise, and nonrigid deformations.