scholarly journals Uniform connectedness and classical gestalt principles of perceptual grouping

1999 ◽  
Vol 61 (4) ◽  
pp. 661-674 ◽  
Author(s):  
Shihui Han ◽  
Glyn W. Humphreys ◽  
Lin Chen
Keyword(s):  
Perceptual Grouping ◽  
Gestalt Principles ◽  
Uniform Connectedness

scholarly journals Cortical Circuits for Top-down Control of Perceptual Grouping

2021 ◽  
Author(s):  
Maria Kon ◽  
Gregory Francis
Keyword(s):  
Perceptual Grouping ◽  
Receptive Fields ◽  
Cortical Circuits ◽  
Human Visual Perception ◽  
Top Down ◽  
Gestalt Principles ◽  
Area V2 ◽  
Dynamic Circuits ◽  
Visual Tasks ◽  
Visual Phenomena

A fundamental characteristic of human visual perception is the ability to group together disparate elements in a scene and treat them as a single unit. The mechanisms by which humans create such groupings remain unknown, but grouping seems to play an important role in a wide variety of visual phenomena, and a good understanding of these mechanisms might provide guidance for how to improve machine vision algorithms. Here, we build on a proposal that some groupings are the result of connections in cortical area V2 that join disparate elements, thereby allowing them to be selected and segmented together. In previous instantiations of this proposal, connection formation was based on the anatomy (e.g., extent) of receptive fields, which made connection formation obligatory when the stimulus conditions stimulate the corresponding receptive fields. We now propose dynamic circuits that provide greater flexibility in the formation of connections and that allow for top-down control of perceptual grouping. With computer simulations we explain how the circuits work and show how they can account for a wide variety of Gestalt principles of perceptual grouping and two texture segmentation tasks. We propose that human observers use such top-down control to implement task-dependent connection strategies that encourage particular groupings of stimulus elements in order to promote performance on various kinds of visual tasks.

scholarly journals El discurso periodístico en el siglo XVIII a partir del primer periódico diario de España (1758). El párrafo desde un enfoque cognitivo de la enacción = Journalism discourse in the eighteen century since the first daily newspaper in Spain (1758). Paragraph from an anection cognitive point of view

2018 ◽  
pp. 71
Author(s):  
María Azucena Penas Ibáñez
Keyword(s):  
Perceptual Grouping ◽  
Point Of View ◽  
Daily Newspaper ◽  
Gestalt Principles ◽  
Eighteen Century

<p>Este artículo analiza, desde un enfoque cognitivo de la enacción, la estructura del párrafo en el primer periódico diario de España, publicado en 1758 en Madrid, con el título <em>Diario Curioso-Erudito, y Comercial Público y Economico</em>, de Don Manuel Ruiz de Uribe. Consta de seis partes: <em>Privilegio</em>, <em>Suma de la Licencia</em>, <em>Introducción</em>, <em>Plan del Diario: Artículo primero</em>, <em>Plan del Diario: Artículo segundo</em>, y <em>Advertencia</em>. De los seis principios Gestalt de agrupamiento perceptivo descritos, la ley <em>de simplicidad</em> (asociada a la ley <em>de buena forma</em> o <em>de pregnancia</em>) es la que más se potencia.</p><p>This article analyses, from an enaction cognitive point of view, the structure of paragraph of the first daily newspaper in Spain (Madrid, 1758), entitled Diario Curioso-Erudito, y Comercial Público y Economico,<br />by Don Manuel Ruiz de Uribe. This daily newspaper is divided into six parts: Privilegio, Suma de la Licencia, Introducción, Plan del Diario: Artículo primero, Plan del Diario: Artículo segundo, and Advertencia. According to six Gestalt principles of perceptual grouping described, the principle of simplicity (associated to the principle of pregnancy) is the most developed.<br /><br /></p>

Perceptual grouping via untangling Gestalt principles

2013 ◽  
Author(s):  
Yonggang Qi ◽  
Jun Guo ◽  
Yi Li ◽  
Honggang Zhang ◽  
Tao Xiang ◽  
...  
Keyword(s):  
Perceptual Grouping ◽  
Gestalt Principles

scholarly journals Natural Constraints to Cultural Relativism Example: Ricci’s Pacific-Centered World Maps

2020 ◽  
Vol 73 (3) ◽  
pp. 379-397
Author(s):  
Elmar Holenstein
Keyword(s):  
East Asia ◽  
Canary Islands ◽  
Cultural Relativism ◽  
Central State ◽  
The West ◽  
Gestalt Principles ◽  
Matteo Ricci ◽  
The Pacific ◽  
Made In

AbstractNot everything that is logically possible and technically feasible is also natural, for example, placing China in the exact center of a world map. Such a map would not correspond to the laws of perception.Matteo Ricci, who was the first to create Chinese world maps on which the Americas were depicted, had to choose between two ideals, between a world map that obeys the gestalt principles of perception and a world map with the “Central State” China in its center. The first ideal mattered more to him than the second, although he took the latter into account as well. The result was a Pacific-centered map.Since we live on a sphere, what we perceive to be in the East and in the West depends on our location. It is therefore natural that in East Asia, world maps show America in the East and not – as in Europe – in the West. This was the argument underlying Ricci’s creation of Pacific-centered maps, and not the intention of depicting China as close to the center of the map as possible.It is only in East Asia that Ricci was the first to create Pacific-centered maps. World maps with the Pacific in the midfield were made in Europe before Ricci, motivated by the traditional unidirectional numbering of the meridians (0°–360°) from West to East starting with the Atlantic Insulae Fortunatae (Canary Islands).

Perceptual grouping of line features in 3-D space: a model-based framework

2004 ◽  
Vol 37 (1) ◽  
pp. 145-159 ◽  
Author(s):  
In Kyu Park ◽  
Kyoung Mu Lee ◽  
Sang Uk Lee
Keyword(s):  
Perceptual Grouping ◽  
Model Based ◽  
Line Features
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