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362results about "High-speed photography" patented technology

Visual support and match analysis system for ping-pong match and method for running same

The invention provides a visual support and match analysis system for a ping-pong match. The system comprises the following modules: an image acquiring and ping-pong ball target recognizing and positioning module, a KALMAN filter module, a track data fitter module, a characteristic analyzing module, a kinematic parameter learning machine module, a single path judging module, a three-dimensional virtual scene reappearing module, a match characteristic data storing module and a user interaction module. A set of system with friendly and complete information extraction and storage, user interaction support and capability of performing track recording well and extracting characteristic information on ball hit of an athlete is developed through real-time visual acquisition. The system can process data in real time and filter and record the processed data in ping-pong trainings and matches, automatically extracts ping-pong ball path characteristic, bring convenience to a judge to replay, is applied to automatic judging and television relaying in the ping-pong match, has a complete, effective and overall analyzing function after the match and can automatically extract and store the characteristic information in a match process and intuitively counts and displays ball throwing and ball winning path characteristics of the ping-pong athlete.
Owner:ZHEJIANG UNIV

Digital image photographing apparatus, method of controlling the apparatus, and recording medium having program for executing the method

Provided are a digital image photographing apparatus which easily captures an image of a composition intended by a user, a method of controlling the apparatus, and a recording medium having a program for executing the method. The apparatus includes: an image capturing device for receiving light to generate data on an image; and an auto-focusing tracking unit for allowing a lens to be auto-focused on a subject selected by a user. The image capturing device generates data on a still image when the subject on which the lens is auto-focused is located in a predetermined region of interest (ROI).
Owner:SAMSUNG ELECTRONICS CO LTD

Wide-area aerial camera systems

A system for capturing aerial images, the system comprising at least one camera unit, the camera unit comprising at least one overview camera, a plurality of detail cameras, and a frame for holding the cameras, each detail camera having a longer focal length than the at least one overview camera, each detail camera mounted at a different angle laterally so that the fields of view of the detail cameras overlap to form an extended lateral field of view.
Owner:NEARMAP AUSTRALIA PTY LTD

Ultra-short pulse dispersion reshaping and amplitude division technology-based ultrahigh-speed optical imaging system and method

InactiveCN101976016AAchieve imagingRealizing ultra-high-speed optical imagingHigh-speed photographyNon-linear opticsFemto second laserPicosecond
The invention discloses an ultra-short pulse dispersion reshaping and amplitude division technology-based ultrahigh-speed optical imaging system and an ultra-short pulse dispersion reshaping and amplitude division technology-based ultrahigh-speed optical imaging method. The optical imaging system comprises a femtosecond laser oscillator, an ultra-short sub pulse string generator, a femtosecond laser amplifier, an optical beam expanding system, an afocal optical system, a wavelength amplitude division optical system and a plurality of image recording systems. The optical imaging method comprises the following steps of: outputting a femtosecond laser pulse string; changing each pulse into a group of sub pulse string; amplifying each sub pulse; performing collimation and beam expansion on the amplified sub pulse; projecting the sub pulse subjected to the collimation and beam expansion to an object to be measured; propagating the sub pulse carrying object information of different moments along different directions; and receiving and recording the sub pulse of different directions. The system and the method can realize multi-image recording of dozens of picosecond to dozens of nano seconds process of picosecond time resolution.
Owner:SHENZHEN UNIV
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