東華大學圖書館 |

Learning to Generate and Differentiate 3D Objects Using Geometry & Language.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Learning to Generate and Differentiate 3D Objects Using Geometry & Language./
作者:	Achlioptas, Panagiotis Panos.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2021,
面頁冊數:	217 p.
附註:	Source: Dissertations Abstracts International, Volume: 83-05, Section: B.
Contained By:	Dissertations Abstracts International83-05B.
標題:	Language. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=28812888
ISBN:	9798494462084

Learning to Generate and Differentiate 3D Objects Using Geometry & Language.
Achlioptas, Panagiotis Panos.

Learning to Generate and Differentiate 3D Objects Using Geometry & Language. - Ann Arbor : ProQuest Dissertations & Theses, 2021 - 217 p.

Source: Dissertations Abstracts International, Volume: 83-05, Section: B.

Thesis (Ph.D.)--Stanford University, 2021.

This item must not be sold to any third party vendors.

The physical world surrounding us is extremely complex, with a myriad of unexplained phenomena that seem at times mysterious or even magical. In our quest to understand, analyze and in the end, improve our interactions with our surroundings, we decompose this complex world into tangible entities we call objects. From Plato's ancient Theory of Forms to the modern rules of Object-Oriented Programming, objects with their associated classes and abstractions, have been a pillar of analysis and philosophy. At the same time, human intelligence flourishes and demonstrates much of its elegance in another human construct: that of natural languages. Humans have developed their languages to enable them to efficiently communicate with each other for almost anything conceivable: from never-seen imaginative scenarios to pragmatic nuisances regarding their surrounding objects.My vision and motivation behind this thesis lie in bridging (a modest bit) the gap between these two constructs, language and object entities, in modern-day computers via learning algorithms. In this way, this thesis aims at contributing a step forward in the advancement of Artificial Intelligence by introducing to the research community, smarter, latent, and oftentimes multi-modal representations of 3D objects, that enhance their capacity to reason about them, with (or without) the aid of language.Specifically, this thesis aims at introducing new methods and new problems at the intersection of the computer science sub-fields of 3D Vision and computational Linguistics. It starts and dedicates about half of its contents by establishing several novel (deep) Generative Neural Networks that can generate/reconstruct/represent common three-dimensional objects (e.g., a 3D point cloud of chair). These networks give rise to object representations that can improve some of the machines' objects-oriented analytical capacities: e.g., to better classify the objects of a collection, or generate novel object instances, by combining a priori known object-parts, or by meaningful "latent" interpolations among specified objects. The second half of the thesis, taps on these object representations to introduce new problems and machine learning-based solutions for discriminative object-centric language-comprehension ("listening"), and language-production ("speaking"). In this way, the second half complements and extends the first part of the thesis, by exploring multi-modal, language-aware, object representations that enable a machine to listen or speak about object properties similar to humans.In summary, the three most salient contributions of this thesis are the following. First, it introduces the first Generative Adversarial Network concerning the shape of everyday objects captured via 3D point clouds and appropriate (and widely adopted) evaluation metrics. Second, it introduces the problem and deep-learning-based solutions, for comprehending or generating linguistic references concerning the shape of common objects, in contrastive contexts i.e., talk about how a chair is different from two similar ones. Last, it explores a less controlled and harder scenario of object-based reference in the wild. Namely, it introduces the problem and methods for language comprehension concerning properties of real-world objects residing inside real-world 3D scenes, e.g., it builds machines that can understand language concerning, say, the texture of an object or its spatial arrangement.

ISBN: 9798494462084Subjects--Topical Terms:

643551
Language.

Learning to Generate and Differentiate 3D Objects Using Geometry & Language.
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520 $a The physical world surrounding us is extremely complex, with a myriad of unexplained phenomena that seem at times mysterious or even magical. In our quest to understand, analyze and in the end, improve our interactions with our surroundings, we decompose this complex world into tangible entities we call objects. From Plato's ancient Theory of Forms to the modern rules of Object-Oriented Programming, objects with their associated classes and abstractions, have been a pillar of analysis and philosophy. At the same time, human intelligence flourishes and demonstrates much of its elegance in another human construct: that of natural languages. Humans have developed their languages to enable them to efficiently communicate with each other for almost anything conceivable: from never-seen imaginative scenarios to pragmatic nuisances regarding their surrounding objects.My vision and motivation behind this thesis lie in bridging (a modest bit) the gap between these two constructs, language and object entities, in modern-day computers via learning algorithms. In this way, this thesis aims at contributing a step forward in the advancement of Artificial Intelligence by introducing to the research community, smarter, latent, and oftentimes multi-modal representations of 3D objects, that enhance their capacity to reason about them, with (or without) the aid of language.Specifically, this thesis aims at introducing new methods and new problems at the intersection of the computer science sub-fields of 3D Vision and computational Linguistics. It starts and dedicates about half of its contents by establishing several novel (deep) Generative Neural Networks that can generate/reconstruct/represent common three-dimensional objects (e.g., a 3D point cloud of chair). These networks give rise to object representations that can improve some of the machines' objects-oriented analytical capacities: e.g., to better classify the objects of a collection, or generate novel object instances, by combining a priori known object-parts, or by meaningful "latent" interpolations among specified objects. The second half of the thesis, taps on these object representations to introduce new problems and machine learning-based solutions for discriminative object-centric language-comprehension ("listening"), and language-production ("speaking"). In this way, the second half complements and extends the first part of the thesis, by exploring multi-modal, language-aware, object representations that enable a machine to listen or speak about object properties similar to humans.In summary, the three most salient contributions of this thesis are the following. First, it introduces the first Generative Adversarial Network concerning the shape of everyday objects captured via 3D point clouds and appropriate (and widely adopted) evaluation metrics. Second, it introduces the problem and deep-learning-based solutions, for comprehending or generating linguistic references concerning the shape of common objects, in contrastive contexts i.e., talk about how a chair is different from two similar ones. Last, it explores a less controlled and harder scenario of object-based reference in the wild. Namely, it introduces the problem and methods for language comprehension concerning properties of real-world objects residing inside real-world 3D scenes, e.g., it builds machines that can understand language concerning, say, the texture of an object or its spatial arrangement.
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