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444results about How to "Short amount of time" patented technology

Stereoscopic image aligning apparatus, stereoscopic image aligning method, and program of the same

A stereoscopic image aligning apparatus (200) automatically aligns image pairs for stereoscopic viewing in a shorter amount of time than conventional apparatuses, which is applicable to image pairs captured by a single sensor camera or a variable baseline camera, without relying on camera parameters. The stereoscopic image aligning apparatus (200) includes: an image pair obtaining unit (205) obtaining an image pair including a left-eye image and a right-eye image corresponding to the left-eye image; a corresponding point detecting unit (252) detecting a corresponding point representing a set of a first point included in a first image that is one of the images of the image pair and a second point included in a second image that is the other of the images of the image pair and corresponding to the first point; a first matrix computing unit (254) computing a homography transformation matrix for transforming the first point such that a vertical parallax between the first and second points is smallest and an epipolar constraint is satisfied; a transforming unit (260) transforming the first image using the homography transformation matrix; and an output unit (210) outputting: a third image that is the transformed first image; and the second image.
Owner:PANASONIC CORP

System and method for providing electronic multi-merchant gift certificate & contribution brokering services over a distributed network

An online Gift Certificate and Contribution Service provides for the purchase and restrictions of use of electronic gift certificates, which may be split across multiple purchases at a plurality of merchants. It allows online purchases to be made by individuals unable to obtain (such as children) or prefer not to obtain a credit card. In addition, electronic contributions can be made on a one-time basis or a reoccurring basis to designated beneficiaries anonymously if desired. It provides a streamlined checkout process whereby the purchaser may place restrictions on the use of the gift certificate. Users and Merchants initially register with the Gift Certificate Service and are provided additional functionality. For users, the ability to purchase electronic gift certificates, place restrictions on their use, and track their use is provided. In addition, users may setup contribution accounts to contribute anonymously to beneficiaries. For merchants, the ability to validate the gift certificate is provided. A distinct advantage of this system is that it allows parents to give gift certificates in lieu of allowance and be able to restrict and track purchases. Another significant advantage is that a single gift certificate can be used on multiple occasions and at a plurality of merchants. The advantage of the contribution service is that transactions can take place anonymously and on a reoccurring basis automatically.
Owner:ROBERTSON STEVEN C

Quantum dots having composition gradient shell structure and manufacturing method thereof

Provided are quantum dots having a gradual composition gradient shell structure which have an improvedluminous efficiency and optical stability, and a method of manufacturing the quantum dots in a short amount of time at low cost. In the method, the quantum dots can be manufactured in a short amount of time at low cost using a reactivity difference between semiconductor precursors, unlike in uneconomical and inefficient conventional methods where shells areformed after forming cores and performing cleaning and redispersion processes. Also, formation of the cores is followed by formation of shells having a composition gradient. Thus, even if the shells are formed to a large thickness, the lattice mismatch between cores and shells is relieved. Furthermore, on the basis of the funneling concept, electrons and holes generated in the shells are transferred to the cores to emit light, thereby obtaining a high luminous efficiency of 80% or more. The quantum dot structure is not limited to Group II-IV semiconductor quantum dots but can be applied to other semiconductors quantum dots, such as Group III-V semiconductors quantum dots and Group IV-IV semiconductors quantum dots. Also, the manufacturing method can be utilized in the development of semiconductor quantum dots having different physical properties, and in various other fields.
Owner:SEOUL NAT UNIV R&DB FOUND
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