A Novel Bio-Inspired Motion Direction Detection Mechanism in Binary and Grayscale Background

Yuxiao Hua, Yuki Todo (), Zheng Tang (), Sichen Tao, Bin Li and Riku Inoue
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Yuxiao Hua: Faculty of Engineering, University of Toyama, Toyama-shi 930-8555, Japan
Yuki Todo: Faculty of Electrical and Computer Engineering, Kanazawa University, Kanazawa-shi 920-1192, Japan
Zheng Tang: Faculty of Engineering, University of Toyama, Toyama-shi 930-8555, Japan
Sichen Tao: Faculty of Engineering, University of Toyama, Toyama-shi 930-8555, Japan
Bin Li: Faculty of Electrical and Computer Engineering, Kanazawa University, Kanazawa-shi 920-1192, Japan
Riku Inoue: Faculty of Electrical and Computer Engineering, Kanazawa University, Kanazawa-shi 920-1192, Japan

Mathematics, 2022, vol. 10, issue 20, 1-16

Abstract: The visual system plays a vital role in the daily life of humans, as more than 90 percent of the external information received by the human brain throughout the day comes from the visual system. However, how the human brain processes the received visual information remains a mystery. The information received from the external through the visual system can be divided into three main categories, namely, shape features, color features, and motion features. Of these, motion features are considered the key to deciphering the secrets of the visual system due to their independence and importance. In this paper, we propose a novel bio-inspired motion direction detection mechanism using direction-selective ganglion cells to explore the mystery of motion information extraction and analysis. The mechanism proposed in this paper is divided into two parts: local motion direction detection neurons and global motion direction detection neurons; the former is used to extract motion direction information from the local area, while the latter infers global motion direction from the local motion direction information. This mechanism is more consistent with the biological perception of the human natural visual system than the previously proposed model and has a higher biological plausibility and greater versatility. It is worth mentioning that we have overcome the problem in which the previous motion direction detection model could only be applied in the binary background by introducing the horizontal cells. Through the association formed by horizontal cells and bipolar cells, this model can be applied to recognizing problems of motion direction detection on a grayscale background. To further validate the effectiveness of the proposed model, a series of experiments with objects of different sizes, shapes, and positions are conducted by computer simulation. According to the simulation results, this model has been proven to have high accuracy rates regardless of objects’ sizes, shapes, and positions in all experiments. Furthermore, the proposed model is verified to own more stable accuracy rates and stronger noise immunity by comparing it with the recognized superior classical convolutional neural network in a background of different percentage noise.

Keywords: artificial visual system; motion direction detection; direction-selective ganglion cells; horizontal cells; convolutional neural network (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2022
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