Methods for enhancing performance and data acquired from three-dimensional image systems
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G06K-009/00
G06K-009/32
출원번호
US-0684368
(2000-10-05)
발명자
/ 주소
Rafii, Abbas
Bamji, Cyrus
Sze, Cheng-Feng
Torunoglu, Iihami
출원인 / 주소
Canesta, Inc.
대리인 / 주소
Dorsey & Whitney LLP
인용정보
피인용 횟수 :
280인용 특허 :
24
초록▼
A three-dimension distance time-of-flight system is disclosed in which distance values are acquired by a plurality of sensors independently from each other. For use with this and similar systems, Z-distance accuracy and resolution are enhanced using various techniques including over-sampling acquire
A three-dimension distance time-of-flight system is disclosed in which distance values are acquired by a plurality of sensors independently from each other. For use with this and similar systems, Z-distance accuracy and resolution are enhanced using various techniques including over-sampling acquired sensor data and forming running averages, or forming moving averages. Acquired data may be rejected if it fails to meet criteria associated with distance, luminosity, velocity, or estimated shape information reported by neighboring sensors. A sub-target having at least one pre-calibrated reflectance zone is used to improve system measurement accuracy. Elliptical error is corrected for using a disclosed method, and reversible mapping of Z-values into RGB is provided.
대표청구항▼
A three-dimension distance time-of-flight system is disclosed in which distance values are acquired by a plurality of sensors independently from each other. For use with this and similar systems, Z-distance accuracy and resolution are enhanced using various techniques including over-sampling acquire
A three-dimension distance time-of-flight system is disclosed in which distance values are acquired by a plurality of sensors independently from each other. For use with this and similar systems, Z-distance accuracy and resolution are enhanced using various techniques including over-sampling acquired sensor data and forming running averages, or forming moving averages. Acquired data may be rejected if it fails to meet criteria associated with distance, luminosity, velocity, or estimated shape information reported by neighboring sensors. A sub-target having at least one pre-calibrated reflectance zone is used to improve system measurement accuracy. Elliptical error is corrected for using a disclosed method, and reversible mapping of Z-values into RGB is provided. /023107, WO; WO99/023253, WO; WO99/024065, WO; WO99/024553, WO; WO99/027122, WO; WO99/027939, WO; WO99/028474, WO; WO99/032100, WO; WO99/032138, WO; WO99/033989, WO; WO99/036518, WO; WO99/038514, WO; WO99/043711, WO; WO99/046372, WO; WO99/051751, WO; WO99/053033, WO; WO99/062535, WO; WO99/066944, WO; WO99/067429, WO; WO 00/02045, WO; WO 00/05265, WO; WO 00/06085, WO; WO 00/06146, WO; WO 00/06153, WO; WO 00/08043, WO; WO 00/09525, WO; WO 00/10965, WO; WO 00/14220, WO; WO 00/15663, WO; WO 00/15785, WO
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