Volume 32 #1

Contents

1. Variability of different functional songs types from Aelia acuminata L. (Heteroptera, Pentatomidae)
2. Receptive field sizes of sustained ganglion cells in the retina of Carassius gibelio
3. Fusion of radar, visible and thermal imagery with account for differences in brightness and chromaticity perception
4. Modelling of the unmanned aerial vehicle navigation on the basis of two height-shifted onboard cameras
5. Visual localisation of aerial images on vector map using colour-texture segmentation
6. Comparison of the digitized pages of business documents by means of recognition
7. The algorithm of epipole position estimation under pure camera translation
8. Segmentation of vehicle registration plates based on dynamic time warping
9. Finding the correspondence between closed curves under projective distortions
10. Blur kernel estimation with algebraic tomography technique and intensity profiles of object boundaries
11. Weighted search for a projective optical flow resistant to specular reflections
12. Algebraic methods for tomography problem
13. Quantitative analysis of the point light source virtual image doubling in underwater stereo vision

Responses of sustained ganglion cells were recorded extracellulary in superficial layers of the tectum opticum of Carassius gibelio. Receptive fields were mapped w ith contrast spots flic kering sequentially in different places of stimulation area (random checkerboard canonical method). The length, width and orientation of the excitatory receptive field were evaluated according to the two-dimensional equivalent of the standard deviation for this data set. Estimated mean of the excitatory receptive field sizes of the sustained ganglion cells in the fish retina is approximately 4.5o which is almost identical to previously measured receptive fields of the direction selective ganglion cells for the same species. We can also state that generally receptive fields of the sustained ganglion cells are oriented horizontally which can evidence for the pattern of their mosaic.

Key words: Pentatomidae, communication, vibratory signals

DOI: 10.7868/S023500921801002X

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