1,310 research outputs found
A quantum-inspired version of the nearest mean classifier
We introduce a framework suitable for describing standard classification problems using the mathematical language of quantum states. In particular, we provide a one-to-one correspondence between real objects and pure density operators. This correspondence enables us: (1) to represent the nearest mean classifier (NMC) in terms of quantum objects, (2) to introduce a quantum-inspired version of the NMC called quantum classifier (QC). By comparing the QC with the NMC on different datasets, we show how the first classifier is able to provide additional information that can be beneficial on a classical computer with respect to the second classifier
PhysicSpace: From Quantum to Human Scale
We describe a month-long project about communicating physics concepts and methods through spatial and experiential installations in a public exhibition. A collaboration between MA students in Information Experience Design at the Royal College of Art and physics PhD students at Imperial College London resulted in an exhibition which rendered quantum interactions of particles and fluids at human scale using wood, lasers, projections, lenticular printing and digital technologies, in an atmospheric underground space in May 2014. This work, we believe, signals a new category of art-science collaborations, in between didactic museum displays, practical visualisations, and science-inspired art projects, aimed at communicating scientific concepts spatially, experientially and with artistic methods and critical narratives
Quantum Cognitively Motivated Decision Fusion for Video Sentiment Analysis
Video sentiment analysis as a decision-making process is inherently complex,
involving the fusion of decisions from multiple modalities and the so-caused
cognitive biases. Inspired by recent advances in quantum cognition, we show
that the sentiment judgment from one modality could be incompatible with the
judgment from another, i.e., the order matters and they cannot be jointly
measured to produce a final decision. Thus the cognitive process exhibits
"quantum-like" biases that cannot be captured by classical probability
theories. Accordingly, we propose a fundamentally new, quantum cognitively
motivated fusion strategy for predicting sentiment judgments. In particular, we
formulate utterances as quantum superposition states of positive and negative
sentiment judgments, and uni-modal classifiers as mutually incompatible
observables, on a complex-valued Hilbert space with positive-operator valued
measures. Experiments on two benchmarking datasets illustrate that our model
significantly outperforms various existing decision level and a range of
state-of-the-art content-level fusion approaches. The results also show that
the concept of incompatibility allows effective handling of all combination
patterns, including those extreme cases that are wrongly predicted by all
uni-modal classifiers.Comment: The uploaded version is a preprint of the accepted AAAI-21 pape
Human Perception as a Phenomenon of Quantization
For two decades, the formalism of quantum mechanics has been successfully
used to describe human decision processes, situations of heuristic reasoning,
and the contextuality of concepts and their combinations. The phenomenon of
'categorical perception' has put us on track to find a possible deeper cause of
the presence of this quantum structure in human cognition. Thus, we show that
in an archetype of human perception consisting of the reconciliation of a
bottom up stimulus with a top down cognitive expectation pattern, there arises
the typical warping of categorical perception, where groups of stimuli clump
together to form quanta, which move away from each other and lead to a
discretization of a dimension. The individual concepts, which are these quanta,
can be modeled by a quantum prototype theory with the square of the absolute
value of a corresponding Schr\"odinger wave function as the fuzzy prototype
structure, and the superposition of two such wave functions accounts for the
interference pattern that occurs when these concepts are combined. Using a
simple quantum measurement model, we analyze this archetype of human
perception, provide an overview of the experimental evidence base for
categorical perception with the phenomenon of warping leading to quantization,
and illustrate our analyses with two examples worked out in detail.Comment: 28 pages, 8 figure
Quantum-Inspired Machine Learning: a Survey
Quantum-inspired Machine Learning (QiML) is a burgeoning field, receiving
global attention from researchers for its potential to leverage principles of
quantum mechanics within classical computational frameworks. However, current
review literature often presents a superficial exploration of QiML, focusing
instead on the broader Quantum Machine Learning (QML) field. In response to
this gap, this survey provides an integrated and comprehensive examination of
QiML, exploring QiML's diverse research domains including tensor network
simulations, dequantized algorithms, and others, showcasing recent
advancements, practical applications, and illuminating potential future
research avenues. Further, a concrete definition of QiML is established by
analyzing various prior interpretations of the term and their inherent
ambiguities. As QiML continues to evolve, we anticipate a wealth of future
developments drawing from quantum mechanics, quantum computing, and classical
machine learning, enriching the field further. This survey serves as a guide
for researchers and practitioners alike, providing a holistic understanding of
QiML's current landscape and future directions.Comment: 56 pages, 13 figures, 8 table
Π¦Π²Π΅ΡΠΎΠ²Π°Ρ ΠΊΠΎΠ΄ΠΈΡΠΎΠ²ΠΊΠ° ΠΊΡΠ±ΠΈΡΠ½ΡΡ ΡΠΎΡΡΠΎΡΠ½ΠΈΠΉ
Difficulties in algorithmic simulation of natural thinking point to the inadequacy of information encodings used to this end. The promising approach to this problem represents information by the qubit states of quantum theory, structurally aligned with major theories of cognitive semantics. The paper develops this idea by linking qubit states with color as fundamental carrier of affective meaning. The approach builds on geometric affinity of Hilbert space of qubit states and color solids, used to establish precise one-to-one mapping between them. This is enabled by original decomposition of qubit in three non-orthogonal basis vectors corresponding to red, green, and blue colors. Real-valued coefficients of such decomposition are identical to the tomograms of the qubit state in the corresponding directions, related to ordinary Stokes parameters by rotational transform. Classical compositions of black, white and six main colors (red, green, blue, yellow, magenta and cyan) are then mapped to analogous superposition of the qubit states. Pure and mixed colors intuitively map to pure and mixed qubit states on the surface and in the volume of the Bloch ball, while grayscale is mapped to the diameter of the Bloch sphere. Herewith, the lightness of color corresponds to the probability of the qubitβs basis state Β«1Β», while saturation and hue encode coherence and phase of the qubit, respectively. The developed code identifies color as a bridge between quantum-theoretic formalism and qualitative regularities of the natural mind. This opens prospects for deeper integration of quantum informatics in semantic analysis of data, image processing, and the development of nature-like computational architectures.Π’ΡΡΠ΄Π½ΠΎΡΡΠΈ Π°Π»Π³ΠΎΡΠΈΡΠΌΠΈΡΠ΅ΡΠΊΠΎΠΉ ΠΈΠΌΠΈΡΠ°ΡΠΈΠΈ Π΅ΡΡΠ΅ΡΡΠ²Π΅Π½Π½ΠΎΠ³ΠΎ ΠΌΡΡΠ»Π΅Π½ΠΈΡ ΡΠΊΠ°Π·ΡΠ²Π°ΡΡ Π½Π° Π½Π΅ΡΠΎΠ²Π΅ΡΡΠ΅Π½ΡΡΠ²ΠΎ ΠΈΡΠΏΠΎΠ»ΡΠ·ΡΠ΅ΠΌΡΡ
Π΄Π»Ρ ΡΡΠΎΠ³ΠΎ ΡΠΎΡΠΌΠ°ΡΠΎΠ² ΠΏΡΠ΅Π΄ΡΡΠ°Π²Π»Π΅Π½ΠΈΡ ΠΈΠ½ΡΠΎΡΠΌΠ°ΡΠΈΠΈ. Π ΡΡΠΎΠΌ ΠΎΡΠ½ΠΎΡΠ΅Π½ΠΈΠΈ ΠΏΠ΅ΡΡΠΏΠ΅ΠΊΡΠΈΠ²Π½Π° ΠΊΠΎΠ΄ΠΈΡΠΎΠ²ΠΊΠ° ΠΈΠ½ΡΠΎΡΠΌΠ°ΡΠΈΠΈ ΠΊΡΠ±ΠΈΡΠ½ΡΠΌΠΈ ΡΠΎΡΡΠΎΡΠ½ΠΈΡΠΌΠΈ ΠΊΠ²Π°Π½ΡΠΎΠ²ΠΎΠΉ ΡΠ΅ΠΎΡΠΈΠΈ, ΡΡΡΡΠΊΡΡΡΠ° ΠΊΠΎΡΠΎΡΡΡ
ΡΠΎΠ³Π»Π°ΡΡΠ΅ΡΡΡ Ρ ΠΊΡΡΠΏΠ½ΡΠΌΠΈ ΡΠ΅ΠΎΡΠΈΡΠΌΠΈ ΠΊΠΎΠ³Π½ΠΈΡΠΈΠ²Π½ΠΎΠΉ ΡΠ΅ΠΌΠ°Π½ΡΠΈΠΊΠΈ. ΠΡΠ΅Π΄ΡΡΠ°Π²Π»Π΅Π½ΠΎ ΡΠ°Π·Π²ΠΈΡΠΈΠ΅ ΡΡΠΎΠ³ΠΎ ΠΏΠΎΠ΄Ρ
ΠΎΠ΄Π°, ΡΠ²ΡΠ·ΡΠ²Π°ΡΡΠ΅Π΅ ΠΊΡΠ±ΠΈΡΠ½ΡΠ΅ ΡΠΎΡΡΠΎΡΠ½ΠΈΡ Ρ ΡΠ²Π΅ΡΠΎΠΌ ΠΊΠ°ΠΊ ΡΠ°ΠΌΠΎΡΡΠΎΡΡΠ΅Π»ΡΠ½ΡΠΌ Π½ΠΎΡΠΈΡΠ΅Π»Π΅ΠΌ ΡΠΌΠΎΡΠΈΠΎΠ½Π°Π»ΡΠ½ΠΎ-ΡΠΌΡΡΠ»ΠΎΠ²ΡΡ
Π·Π½Π°ΡΠ΅Π½ΠΈΠΉ. ΠΡΠ½ΠΎΠ²ΠΎΠΉ Π΄Π»Ρ ΡΡΠΎΠ³ΠΎ ΡΡΠ°Π»ΠΎ Π³Π΅ΠΎΠΌΠ΅ΡΡΠΈΡΠ΅ΡΠΊΠΎΠ΅ ΠΏΠΎΠ΄ΠΎΠ±ΠΈΠ΅ ΡΠ²Π΅ΡΠΎΠ²ΡΡ
ΡΠ΅Π» ΠΈ ΠΠΈΠ»ΡΠ±Π΅ΡΡΠΎΠ²Π° ΠΏΡΠΎΡΡΡΠ°Π½ΡΡΠ²Π° ΠΊΡΠ±ΠΈΡΠ½ΡΡ
ΡΠΎΡΡΠΎΡΠ½ΠΈΠΉ, ΠΏΠΎΠ·Π²ΠΎΠ»ΠΈΠ²ΡΠ΅Π΅ ΡΡΡΠ°Π½ΠΎΠ²ΠΈΡΡ ΠΌΠ΅ΠΆΠ΄Ρ Π½ΠΈΠΌΠΈ Π²Π·Π°ΠΈΠΌΠΎΠΎΠ΄Π½ΠΎΠ·Π½Π°ΡΠ½ΠΎΠ΅ ΠΌΠ°ΡΠ΅ΠΌΠ°ΡΠΈΡΠ΅ΡΠΊΠΎΠ΅ ΠΎΡΠΎΠ±ΡΠ°ΠΆΠ΅Π½ΠΈΠ΅. ΠΠ»Ρ ΡΡΠΎΠ³ΠΎ ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Π½ΠΎ ΠΎΡΠΈΠ³ΠΈΠ½Π°Π»ΡΠ½ΠΎΠ΅ ΡΠ°Π·Π»ΠΎΠΆΠ΅Π½ΠΈΠ΅ ΠΊΡΠ±ΠΈΡΠ° ΠΏΠΎ ΡΡΠΎΠΉΠΊΠ΅ Π½Π΅ΠΎΡΡΠΎΠ³ΠΎΠ½Π°Π»ΡΠ½ΡΡ
Π²Π΅ΠΊΡΠΎΡΠΎΠ², ΡΠΎΠΎΡΠ²Π΅ΡΡΡΠ²ΡΡΡΠΈΡ
ΠΊΡΠ°ΡΠ½ΠΎΠΌΡ, ΡΠΈΠ½Π΅ΠΌΡ ΠΈ Π·Π΅Π»ΡΠ½ΠΎΠΌΡ ΡΠ²Π΅ΡΠ°ΠΌ. ΠΠ΅ΠΉΡΡΠ²ΠΈΡΠ΅Π»ΡΠ½ΡΠ΅ ΠΊΠΎΡΡΡΠΈΡΠΈΠ΅Π½ΡΡ ΡΠ°ΠΊΠΎΠ³ΠΎ ΡΠ°Π·Π»ΠΎΠΆΠ΅Π½ΠΈΡ ΡΠ²Π»ΡΡΡΡΡ ΡΠΎΠΌΠΎΠ³ΡΠ°ΠΌΠΌΠ°ΠΌΠΈ ΠΊΡΠ±ΠΈΡΠ½ΠΎΠ³ΠΎ ΡΠΎΡΡΠΎΡΠ½ΠΈΡ ΠΏΠΎ ΡΠΎΠΎΡΠ²Π΅ΡΡΡΠ²ΡΡΡΠΈΠΌ Π½Π°ΠΏΡΠ°Π²Π»Π΅Π½ΠΈΡΠΌ, ΡΠ²ΡΠ·Π°Π½Π½ΡΠΌΠΈ Ρ ΠΊΠΎΠΌΠΏΠΎΠ½Π΅Π½ΡΠ°ΠΌΠΈ Π²Π΅ΠΊΡΠΎΡΠ° Π‘ΡΠΎΠΊΡΠ° ΠΎΠΏΠ΅ΡΠ°ΡΠΈΠ΅ΠΉ ΠΏΠΎΠ²ΠΎΡΠΎΡΠ°. ΠΡΠΈ ΡΡΠΎΠΌ ΠΊΠΎΠΌΠΏΠΎΠ·ΠΈΡΠΈΠΎΠ½Π½ΡΠ΅ ΡΠΎΠΎΡΠ½ΠΎΡΠ΅Π½ΠΈΡ ΡΡΡΠ½ΠΎΠ³ΠΎ, Π±Π΅Π»ΠΎΠ³ΠΎ ΠΈ ΡΠ΅ΡΡΠΈ ΠΎΡΠ½ΠΎΠ²Π½ΡΡ
ΡΠ²Π΅ΡΠΎΠ² (ΠΊΡΠ°ΡΠ½ΡΠΉ, Π·Π΅Π»ΡΠ½ΡΠΉ, ΡΠΈΠ½ΠΈΠΉ, ΠΆΡΠ»ΡΡΠΉ, ΡΠΈΠΎΠ»Π΅ΡΠΎΠ²ΡΠΉ, Π³ΠΎΠ»ΡΠ±ΠΎΠΉ) Π²ΡΡΠ°ΠΆΠ°ΡΡΡΡ Π°Π½Π°Π»ΠΎΠ³ΠΈΡΠ½ΡΠΌΠΈ ΡΡΠΏΠ΅ΡΠΏΠΎΠ·ΠΈΡΠΈΡΠΌΠΈ ΠΊΡΠ±ΠΈΡΠ½ΡΡ
ΡΠΎΡΡΠΎΡΠ½ΠΈΠΉ. Π§ΠΈΡΡΡΠ΅ ΠΈ ΡΠΌΠ΅ΡΠ°Π½Π½ΡΠ΅ ΡΠ²Π΅ΡΠ° ΡΠΎΠΎΡΠ²Π΅ΡΡΡΠ²ΡΡΡ ΡΠΈΡΡΡΠΌ ΠΈ ΡΠΌΠ΅ΡΠ°Π½Π½ΡΠΌ ΡΠΎΡΡΠΎΡΠ½ΠΈΡΠΌ Π½Π° ΠΏΠΎΠ²Π΅ΡΡ
Π½ΠΎΡΡΠΈ ΠΈ Π²Π½ΡΡΡΠΈ ΡΡΠ΅ΡΡ ΠΠ»ΠΎΡ
Π°, ΡΠΎΠ³Π΄Π° ΠΊΠ°ΠΊ ΠΎΡΡΠ΅Π½ΠΊΠΈ ΡΠ΅ΡΠΎΠ³ΠΎ ΠΎΡΠΎΠ±ΡΠ°ΠΆΠ°ΡΡΡΡ Π½Π° Π²Π΅ΡΡΠΈΠΊΠ°Π»ΡΠ½ΡΠΉ Π΄ΠΈΠ°ΠΌΠ΅ΡΡ ΡΡΠ΅ΡΡ. ΠΡΠΈ ΡΡΠΎΠΌ ΡΠ²Π΅ΡΠ»ΠΎΡΡΡ ΡΠ²Π΅ΡΠ° ΡΠΎΠΎΡΠ²Π΅ΡΡΡΠ²ΡΠ΅Ρ Π²Π΅ΡΠΎΡΡΠ½ΠΎΡΡΠΈ Π±Π°Π·ΠΈΡΠ½ΠΎΠ³ΠΎ ΠΊΡΠ±ΠΈΡΠ½ΠΎΠ³ΠΎ ΡΠΎΡΡΠΎΡΠ½ΠΈΡ Β«1Β», ΡΠΎΠ³Π΄Π° ΠΊΠ°ΠΊ Π½Π°ΡΡΡΠ΅Π½Π½ΠΎΡΡΡ ΡΠ²Π΅ΡΠ° ΠΈ ΡΠ²Π΅ΡΠΎΠ²ΠΎΠΉ ΡΠΎΠ½ ΠΊΠΎΠ΄ΠΈΡΡΡΡ ΠΊΠΎΠ³Π΅ΡΠ΅Π½ΡΠ½ΠΎΡΡΡ ΠΈ ΡΠ°Π·Ρ ΠΊΡΠ±ΠΈΡΠ½ΠΎΠ³ΠΎ ΡΠΎΡΡΠΎΡΠ½ΠΈΡ. ΠΠΎΠ»ΡΡΠ΅Π½Π½ΡΠΉ ΡΠ΅Π·ΡΠ»ΡΡΠ°Ρ ΠΎΡΠΊΡΡΠ²Π°Π΅Ρ Π²ΠΎΠ·ΠΌΠΎΠΆΠ½ΠΎΡΡΠΈ Π΄Π»Ρ ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Π½ΠΈΡ ΠΊΠ²Π°Π½ΡΠΎΠ²ΠΎΠΉ ΠΈΠ½ΡΠΎΡΠΌΠ°ΡΠΈΠΊΠΈ Π² Π·Π°Π΄Π°ΡΠ°Ρ
ΡΠ΅ΠΌΠ°Π½ΡΠΈΡΠ΅ΡΠΊΠΎΠ³ΠΎ Π°Π½Π°Π»ΠΈΠ·Π° Π΄Π°Π½Π½ΡΡ
, ΠΎΠ±ΡΠ°Π±ΠΎΡΠΊΠΈ ΠΈΠ·ΠΎΠ±ΡΠ°ΠΆΠ΅Π½ΠΈΠΉ ΠΈ ΡΠΎΠ·Π΄Π°Π½ΠΈΡ ΠΏΡΠΈΡΠΎΠ΄ΠΎΠΏΠΎΠ΄ΠΎΠ±Π½ΡΡ
Π²ΡΡΠΈΡΠ»ΠΈΡΠ΅Π»ΡΠ½ΡΡ
Π°ΡΡ
ΠΈΡΠ΅ΠΊΡΡΡ
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