Qualitative spatial logic descriptors from 3D indoor scenes to generate explanations in natural language

Falomir Z, Kluth T (2017)
Cognitive Processing 19(2): 265-284.

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Zeitschriftenaufsatz | Veröffentlicht | Englisch
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Abstract / Bemerkung
The challenge of describing 3D real scenes is tackled in this paper using qualitative spatial descriptors. A key point to study is which qualitative descriptors to use and how these qualitative descriptors must be organized to produce a suitable cognitive explanation. In order to find answers, a survey test was carried out with human participants which openly described a scene containing some pieces of furniture. The data obtained in this survey are analysed, and taking this into account, the QSn3D computational approach was developed which uses a XBox 360 Kinect to obtain 3D data from a real indoor scene. Object features are computed on these 3D data to identify objects in indoor scenes. The object orientation is computed, and qualitative spatial relations between the objects are extracted. These qualitative spatial relations are the input to a grammar which applies saliency rules obtained from the survey study and generates cognitive natural language descriptions of scenes. Moreover, these qualitative descriptors can be expressed as first-order logical facts in Prolog for further reasoning. Finally, a validation study is carried out to test whether the descriptions provided by QSn3D approach are human readable. The obtained results show that their acceptability is higher than 82%.
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Zeitschriftentitel
Cognitive Processing
Band
19
Zeitschriftennummer
2
Seite
265-284
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Falomir Z, Kluth T. Qualitative spatial logic descriptors from 3D indoor scenes to generate explanations in natural language. Cognitive Processing. 2017;19(2):265-284.
Falomir, Z., & Kluth, T. (2017). Qualitative spatial logic descriptors from 3D indoor scenes to generate explanations in natural language. Cognitive Processing, 19(2), 265-284. doi:10.1007/s10339-017-0824-7
Falomir, Z., and Kluth, T. (2017). Qualitative spatial logic descriptors from 3D indoor scenes to generate explanations in natural language. Cognitive Processing 19, 265-284.
Falomir, Z., & Kluth, T., 2017. Qualitative spatial logic descriptors from 3D indoor scenes to generate explanations in natural language. Cognitive Processing, 19(2), p 265-284.
Z. Falomir and T. Kluth, “Qualitative spatial logic descriptors from 3D indoor scenes to generate explanations in natural language”, Cognitive Processing, vol. 19, 2017, pp. 265-284.
Falomir, Z., Kluth, T.: Qualitative spatial logic descriptors from 3D indoor scenes to generate explanations in natural language. Cognitive Processing. 19, 265-284 (2017).
Falomir, Zoe, and Kluth, Thomas. “Qualitative spatial logic descriptors from 3D indoor scenes to generate explanations in natural language”. Cognitive Processing 19.2 (2017): 265-284.
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2017-10-16T10:19:03Z

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