JP2021532342A - 光学的測定方法及び光学的測定装置 - Google Patents
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Abstract
Description
2 歯
3 撮像ユニット
4 光源
5 照明光
6 光検出器
7 計算ユニット
8 表示ユニット
9 センサ
10 制御ユニット
bges 全体高画像
bi 高画像
fA 撮像頻度
dt 時間間隔
Mi 測度数
S 制御信号
T1 撮像タイムインターバル
Claims (10)
- 第1測定タイムインターバル(T1)中に、光学的撮像ユニット(3)が対象物(1)に相対して動かされ、
前記第1測定タイムインターバル(T1)中に、前記対象物(1)が前記光学的撮像ユニット(3)によって光強度(I)を有する照明光(5’)で照明され、
前記第1測定タイムインターバル(T1)中に、前記光学的撮像ユニット(3)によって高画像(bi)が撮像頻度(fA)で順次検出され、
前記第1測定タイムインターバル(T1)中に、検出された前記高画像(bi)の少なくとも一部がそれぞれ全体高画像(bges)に付加され、かつ前記全体高画像(bges)が表示される、光学的撮像ユニット(3)を用いて対象物(1)の表面を3次元検出する光学的測定方法において、
前記第1測定タイムインターバル(T1)中に前記光強度(I)及び/又は前記撮像頻度(fA)が制御信号(S)によって制御され、
前記制御信号(S)は、前記第1測定タイムインターバル(T1)中に時間間隔をおいて生成され、
各制御信号(S)は、少なくとも1つの温度センサ(9)の少なくとも1つのセンサ信号(10)にもとづいて生成されることを特徴とする、光学的測定方法。 - 前記制御信号(S)は、追加的に前記撮像ユニット(3)の少なくとも1つのパラメータ及び/又は少なくとも1つのすでに検出された高画像(bi)にもとづいて生成されることを特徴とする、請求項1に記載の光学的測定方法。
- それぞれ最後に検出された高画像(bi)のための各制御信号(S)を生成するべく、
前記最後に検出された高画像と直前に検出された高画像(bi−1)とのオーバーラップの測度数(Mi)及び/又は
前記最後に検出された高画像と前記全体高画像(bges)とのオーバーラップの測度数(Mi)が決定され、続いて前記測度数(Mi)に対応する制御信号(S)が生成されることを特徴とする、請求項2に記載の光学的測定方法。 - 前記オーバーラップの前記測度数(Mi)を決定する場合に、前記少なくとも1つのセンサ(9)の前記センサ信号(10)が考慮されることを特徴とする、請求項3に記載の光学的測定方法。
- それぞれ最後に検出された高画像(bi)のための各制御信号(S)を生成するべく、前記全体高画像(bges)に含まれる全体表面の表面増加が、前記最後に検出された高画像に含まれる表面によって決定され、前記表面増加に対応する制御信号(S)が生成されることを特徴とする、請求項2に記載の光学的測定方法。
- オーバーラップの測度数(Mi)、又は表面増加から、前記光学的撮像ユニット(3)の走査密度又は速度が決定され、前記制御信号(S)を生成するために使用されることを特徴とする、請求項3〜請求項5のいずれか1項に記載の光学的測定方法。
- それぞれ最後に検出された高画像(bi)のための各制御信号(S)を生成するべく、全体強度及び/若しくは最大強度及び/若しくはコントラスト、並びに/又は抽出されるデータポイントの数及び/若しくは抽出されるデータポイントの品質、並びに/又は信号/雑音比、並びに/又は追加的に生成されるカラー画像のコントラストが決定され、前記制御信号を生成するために使用されることを特徴とする、請求項2〜請求項5のいずれか1項に記載の光学的測定方法。
- 前記撮像ユニット(3)の前記パラメータは別のセンサで検出され、前記パラメータは、前記光学的撮像ユニット(3)の速度、及び/又は前記光学的撮像ユニット(3)の加速度、及び/又は前記光学的撮像ユニット(3)の空間位置、及び/又は前記光学的撮像ユニット(3)の運動であることを特徴とする、請求項2〜請求項6のいずれか1項に記載の光学的測定方法。
- 前記全体高画像(bges)に高画像(bi)を付加する前に、前記付加するための記録方法が前記撮像頻度(fA)に依存して選択されることを特徴とする、請求項1〜請求項7のいずれか1項に記載の光学的測定方法。
- 光学的撮像ユニットとコンピュータ可読記憶ユニットと計算ユニットと表示ユニットとを有する光学的測定システムにおいて、前記光学的測定システムは、請求項1〜請求項9のいずれか1項に記載の光学的測定方法を実施するように設計されていることを特徴とする、光学的測定システム。
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DE102018211369.6 | 2018-07-10 | ||
DE102018211369.6A DE102018211369B4 (de) | 2018-07-10 | 2018-07-10 | Optisches Messverfahren sowie optische Messvorrichtung |
PCT/EP2019/065147 WO2020011464A1 (de) | 2018-07-10 | 2019-06-11 | Optisches messverfahren sowie optische messvorrichtung |
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US (1) | US11879725B2 (ja) |
EP (1) | EP3821201B1 (ja) |
JP (1) | JP7337906B2 (ja) |
KR (1) | KR102675425B1 (ja) |
CN (1) | CN112368543B (ja) |
BR (1) | BR112021000069A2 (ja) |
DE (1) | DE102018211369B4 (ja) |
WO (1) | WO2020011464A1 (ja) |
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US20140272765A1 (en) * | 2013-03-14 | 2014-09-18 | Ormco Corporation | Feedback control mechanism for adjustment of imaging parameters in a dental imaging system |
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US11879725B2 (en) | 2024-01-23 |
CN112368543B (zh) | 2023-03-17 |
US20210298884A1 (en) | 2021-09-30 |
DE102018211369A1 (de) | 2020-01-16 |
WO2020011464A1 (de) | 2020-01-16 |
EP3821201B1 (de) | 2023-03-22 |
KR102675425B1 (ko) | 2024-06-14 |
KR20210029812A (ko) | 2021-03-16 |
JP7337906B2 (ja) | 2023-09-04 |
EP3821201A1 (de) | 2021-05-19 |
BR112021000069A2 (pt) | 2021-04-06 |
DE102018211369B4 (de) | 2021-06-24 |
CN112368543A (zh) | 2021-02-12 |
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