Brain Inspired Navigation Blog

Category: Cognitive Navigation

How to model the hippocampal place cell activity for spatial cognition and neuro-mimetic navigation?

This excerpt note is about place cell activity model from the Arleo A. et al. 2000 paper.

Arleo, Angelo, and Wulfram Gerstner. “Spatial cognition and neuro-mimetic navigation: a model of hippocampal place cell activity.” Biological cybernetics 83, no. …

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Brief News of Cognitive Navigation (2018-002)

1. ‘Bat-nav’ reveals how the brain tracks other animals

By Alison Abbott, published on the Nature News in Jan 12, 2018

  • The brain’s navigation system — which keeps track of where we are in space — also monitors the movements
…
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【Excerpt Note】The Representation of Movement Direction in the Motor Cortex: Single Cell and Population Studies

The chapter is published by Apostolos P. Georgopoulos, John F. Kalaska, Michael D. Crutcher, Roberto Caminiti, Joe T. Massey in 1984.

This blog is a brief summary of the chapter about neuronal mechanisms and representation of movement direction.

  • The paper
…
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【Excerpt Note】Neuronal Population Coding of Movement Direction

Georgopoulos, Apostolos P., Andrew B. Schwartz, and Ronald E. Kettner. “Neuronal population coding of movement direction.” Science (1986): 1416-1419.

The blog is a brief summary of the neuronal population coding model for movement direction.

Brief Summary

  • Although individual neurons in
…
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【Excerpt Note】Population Encoding and Decoding

The content is from the lecture notes (M1_Slides_Population_Coding, M1_Notes_Population_Coding) of ‘Theoretical Systems Neuroscience’ by Professor Wei Ji Ma (Baylor College of Medicine) in 2013. He is now leading the Wei Ji Ma’ lab at Center for Neural …

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Brief News of Cognitive Navigation (2018-001)

1. Hexadirectional coding of visual space in human entorhinal cortex

by Matthias Nau, Tobias Navarro Schröder, Jacob L. S. Bellmund & Christian F. Doeller in DoellerLab, January 8, 2018

  • Entorhinal grid cells map the local environment, but their involvement
…
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How to get the best current activity state in continuous attractor network with population decoding?

Models of head direction and place cells often use some form of attractor network (Redish, Elga et al. 1996; Zhang 1996; Samsonovich and McNaughton 1997; Stringer, Rolls et al. 2002; Stringer, Trappenberg et al. 2002). Typically an array of cells …

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How to implement the visual processing module for pose calibration in RatSLAM?

In this report, I summarized some key methods for visual processing module in RatSLAM or RatSLAM-based System. There are more than six approaches as following. By comparing and doing some practical experiments, I think that the intensity scanline profile and …

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Understanding Cognition in the Human Brain Project

Imagine an apple — its greenness, sour taste and its fresh, crisp crunch; how does the brain create a representation of such an apple?

This is one of the questions the Human Brain Project (HBP) is asking. To better understand …

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Brief News of Cognitive Navigation (2017-003)

1. How the brain keeps time

by Anne Trafton December 4, 2017

  • McGovern neuroscientists discover networks of neurons that stretch or compress their activity to control timing.
  • Timing is critical for playing a musical instrument, swinging a baseball bat, and
…
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Brief News of Cognitive Navigation (2017-002)

1. This Autonomous Quadrotor Swarm Doesn’t Need GPS

By Evan Ackerman  Posted 27 Dec 2017 

…
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Brief News of Cognitive Navigation (2017-001)

  1. Neuroscience-inspired Data Compression

         By Prof. Michael Milford  Dec 21, 2017

  • A project: An infinitely scalable learning and recognition network. The idea at the core of the project is to combine neuroscience and machine learning to develop new data compression techniques,
…
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Technology: Use or lose our navigation skills

Roger McKinlay 30 March 2016  in Nature News

Automatic wayfinding is eroding natural abilities, warns Roger McKinlay. 

Read more info on the Nature site.  Nature 531, 573–575 (31 March 2016) doi:10.1038/531573a

 

@SWNS A lorry wedged between houses in Bruton, …

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OCamCalib: Omnidirectional Camera Calibration Toolbox for Matlab

Author: Davide Scaramuzza  For catadioptric and fisheye cameras up to 195 degrees.

The OcamCalib Toolbox for Matlab allows the user (also inexpert users) to calibrate any central omnidirectional camera, that is, any panoramic camera having a single effective viewpoint (see …

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Camera Calibration Toolbox for Matlab

Camera Calibration Toolbox for Matlab @ Dr. Jean-Yves Bouguet

This is a release of a Camera Calibration Toolbox for Matlab® with a complete documentation. This document may also be used as a tutorial on camera calibration since it includes …

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