摘要:
A semiconductor device including a buffer layer 32 on n-GaAs, a clad layer 31, a wave guide layer 30 and a carrier block layer 29 of n-AlGaAs, a side barrier layer 28 of non-doped AlGaAs, an active layer 27 which is formed by two non-doped GaAs quantum well layers and a barrier layer of AlGaAs, a side barrier layer 26 of non-doped AlGaAs, a carrier block layer 25, a wave guide layer 23 and a clad layer 22 of p-AlGaAs, and a cap layer 21 of p-GaAs are grown in this order. Inside the wave guide layer 23, current blocking layers 24 having a lower refractive index and higher Al-composition than that of the wave guide layer and sandwich a strip-shaped active region 34. This creates a refractive index difference between the active region 34 and buried regions 33 in which each of the current blocking layers 24 exists, thereby forming a refractive index guide structure. Thus, it is possible to obtain a high-output semiconductor laser device of the refractive index guided type which is easy to manufacture.
摘要:
A method for the production of maleimides, which comprises subjecting maleinamic acids to ring-closure imidation in an organic solvent capable of forming an azeotrope with water in the presence of an acid catalyst at a temperature in the range of 120.degree. to 250.degree. C. while removing the formed water in the form of an azeotrope with said organic solvent and thereafter purifying the produced maleimides.
摘要:
There is provided an information processing apparatus including a statistical quantity extraction section calculating similarities between all of a group of multiple images of a first identification target and all of a group of multiple images of a second identification target and extracting a statistical quantity for similarity from the similarities and an identification section identifying the first identification target with the second identification target based on the statistical quantity for similarity. The present technology may be applied to a personal computer, for example.
摘要:
An image processing apparatus includes an image input configured to receive image data, a target extraction device configured to extract an object from the image data as a target object based on recognizing a first movement by the object, and a gesture recognition device configured to issue a command based on recognizing a second movement by the target object.
摘要:
The present invention relates to an information processing unit, an information processing method, and a program that can allow two-class classification to be correctly performed based on the outputs from two or more classifiers.The classifier 21i (i=1 to n) substitutes an input vector x into a classification function fi (x) to output a scalar value yi. The mapper 22i substitutes the scalar value yi provided from the classifier 21i into a mapping function gi(yi) found through a learning process described later to convert the scalar value yi from the classifier 21i to a class existence probability pi. The comparator 23 compares the class existence probabilities p1 to pn provided from the mapper 221 to 22n, respectively, with a predetermined threshold to classify which of two classes the input data belongs to, and outputs the classification result in the form of value “1” or “−1” The invention can be applied to, for example, an information processing unit for performing two-class classification.
摘要:
An image processing apparatus includes a face-image detector configured to detect a region of a face image from an image supplied thereto; a face-direction detector configured to detect a direction that a face in the detected face image is facing; a feature-position detector configured to detect feature positions corresponding to features of the face from the detected face image and the detected face direction; a feature-value calculator configured to calculate feature values at the detected feature positions; a mapper configured to map the calculated feature values using predetermined mapping functions; and a recognizer configured to recognize whether the detected face is a registered face, using the mapped feature values and feature values registered in advance.
摘要:
Conventional robot apparatus etc. can not perform name-learning naturally. Learning the name of an object is performed such a manner that the name of a target object is obtained through dialog with a human being, the name is stored in association with plural items of different characteristic data detected for the target object, and a new object is recognized based on the stored data and associative information, the name and characteristic data of the new person are obtained and this associative information is stored.
摘要:
A method for the production of maleimides, which comprises subjecting maleinamic acids to ring-closure imidation in an organic solvent capable of forming an azeotrope with water in the presence of an acid catalyst at a temperature in the range of 120.degree. C. to 250.degree. C. while removing the formed water in the form of an azeotrope with said organic solvent and thereafter purifying the produced maleimides.
摘要:
The present invention provides an information processing apparatus including combination generating means for getting a first feature quantity of N dimensions, N being an integer of at least two, from first information prepared for execution of learning and use the first feature quantity of N dimensions to generate at least two of a first feature quantity combination that are not greater than N dimensions of the first feature quantity; and learning processing executing means for computing a correlation coefficient between the plurality of first feature quantity combinations generated by the combination generating means and a learning model feature quantity matching each dimension of the plurality of first feature quantity combinations and, by use of the first correlation coefficient, classify the first information, thereby executing learning processing for classifying predetermined second information.
摘要:
There is provided a Gabor filter, in which a value of a parameter σ of determining shapes of a plurality of Gabor functions having different orientations and frequencies is configured as a variable value expressed by a function of a frequency parameter ν of specifying the frequencies.