Method for computing subjective dissimilarities among discrete entities
First Claim
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1. A method of computing subjective dissimilarities among discrete entities, the method comprising the steps of:
- presenting a plurality of discrete entities to a perceiver, receiving from the perceiver an indication as to whether the entities are the same or different, determining a discrimination probability for each pair of entities based on the indication received from the perceiver, computing Fechnerian distances between the entities based on the discrimination probabilities, computing geodesic loop for all pairs of entities, and analyzing the Fechnerian distances to determine subjective dissimilarities among the entities.
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Abstract
A method for computing subjective dissimilarities among discrete entities is provided. The method includes the steps of presenting a plurality of entities to a perceiver, determining discrimination probabilities among the entities, and computing Fechnerian distances and the shortest pathways between the entities.
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Citations
19 Claims
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1. A method of computing subjective dissimilarities among discrete entities, the method comprising the steps of:
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presenting a plurality of discrete entities to a perceiver, receiving from the perceiver an indication as to whether the entities are the same or different, determining a discrimination probability for each pair of entities based on the indication received from the perceiver, computing Fechnerian distances between the entities based on the discrimination probabilities, computing geodesic loop for all pairs of entities, and analyzing the Fechnerian distances to determine subjective dissimilarities among the entities. - View Dependent Claims (2, 3, 4, 5)
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6. A method for computing subjective dissimilarities among discrete objects, the method comprising the steps of:
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receiving discrimination data for a plurality of discrete objects, computing a first matrix of discrimination probabilities for the selected objects, checking the first matrix for one of regular minimality and regular maximality, identifying a point of subjective equality for each row and column in the first matrix, computing a second matrix of psychometric increments for each pair of objects, computing the shortest pathways leading from one entity to another and back, and identifying the distance between objects for each pair of objects as the length of the geodesic pathways. - View Dependent Claims (7, 8, 9, 10, 11, 12, 13, 14)
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15. A system for computing subjective dissimilarities among discrete objects, the system comprising:
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an input device, a processor adapted to;
receive data representing discrimination probabilities for a plurality of objects, and compute Fechnerian distances between the objects using the data representing discrimination probabilities, and a display operatively coupled to the processor to graphically depict the Fechnerian distances between the objects. - View Dependent Claims (16, 17, 18, 19)
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Specification