JP2021519973A - 入力信号データにおけるベースライン推定のための装置および方法 - Google Patents
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Abstract
Description
2 顕微鏡
4 信号形成セクション
6 入力信号データ、入力画像データ、I(xi)
8 カメラ
10 チャネル
12 対象物
14 蛍光体
16 照明
17 レンズ
18 入力信号データの時系列
20 画像保存セクション
22 CPU
24 コンピューティングデバイス
26 GPU
28 信号入力セクション
30 信号入力セクションの接続手段
32 信号出力セクション
34 信号出力セクションの接続手段
36 出力信号データ、出力画像データ、O(xi)
37 ディスプレイ
38 信号プロセッサ
40 ボケ除去セクション
42 ベースライン推定器エンジン
44 ベースライン推定データ、f(xi)
46 半二次最小化エンジン
48 第1の反復ステージ
50 第2の反復ステージ
60 ベースライン推定パラメータのセットアップ
62 グラフィカルユーザーインターフェース
64 半二次最小化エンジンおよびスキームの初期化
66 半二次最小化エンジンおよびスキーム
68 収束基準
70 出力信号データの計算
72 後処理操作
Claims (17)
- 入力信号データにおけるベースライン推定のための装置(1)であって、
前記装置(1)は、
・入力信号データ(I(xi))を検索するように構成されており、
・出力信号データ(36)を計算するために前記入力信号データ(I(xi))からベースライン推定データ(f(xi))を差し引くように構成されており、
前記装置はさらに、
・離散グリーン関数(G(xi))を使用した畳み込みから前記ベースライン推定データ(f(xi))を計算するように構成されている、
装置(1)。 - 前記装置はさらに、
・第1の反復ステージ(48)と第2の反復ステージ(50)とを含んでいる反復半二次最小化スキーム(66)によって、前記ベースライン推定データ(f(xi))を計算するように構成されており、
・前記第1の反復ステージ(48)において、補助データ(d(xi))が、以前の反復(l)の前記ベースライン推定データ(fl−1(xi))、切断された二次項(φ(ε(xi)))および前記入力信号データ(I(xi))に応じて更新され、
・前記第2の反復ステージ(50)において、前記ベースライン推定データ(f(xi))が、前記入力信号データ(I(xi))と更新された前記補助データ(d(xi))との総計での前記離散グリーン関数(G(xi))の畳み込みによって計算される、
請求項1記載の装置(1)。 - 前記反復半二次最小化スキーム(66)は、半二次最小化規範(M(f(xi)))を含んでいるLEGENDアルゴリズムであり、最小二乗最小化規範は、コスト関数C(f(xi))を含んでいる、
請求項2記載の装置(1)。 - 前記コスト関数C(f(xi))は、切断された二次式(φ(ε(xi)))を含んでおり、前記切断された二次式は、対称および非対称のいずれかである、
請求項3記載の装置(1)。 - 前記ペナルティ項(P(j)(f(xi)))は、前記ベースライン推定データ(44)の勾配、前記ベースライン推定データ(44)の曲率、特徴抽出線形フィルタ、ハイパスフィルタ、ローパスフィルタ、ソーベルフィルタ、ラプラスフィルタ、FIRバンドパスフィルタ、前記ベースライン推定データ(f(xi))の任意の次数の導関数およびいずれか1つの前記ペナルティ項の線形結合のうちの少なくとも1つを含んでいる、
請求項6記載の装置(1)。 - 異なるペナルティ項は、前記入力信号データ(6)の異なる次元に対して使用される、
請求項6または7記載の装置(1)。 - 前記入力信号データ(6)は、入力画像データ、入力ソナーデータ、入力音データおよび/または入力超音波データ、入力レーダーデータ、入力スペクトルデータ、入力ケプストラムデータ、入力地震計データ、入力統計データ、入力トモグラフィデータ、入力マクロ波データおよび入力振動データのうちの1つである、
請求項1から8までのいずれか1項記載の装置(1)。 - 前記出力信号データ(36)は、出力画像データ、出力ソナーデータ、出力音データおよび/または出力超音波データ、出力レーダーデータ、出力分光法データ、出力ケプストラムデータ、出力地震計データ、出力統計データ、出力トモグラフィデータ、出力マクロ波データおよび出力振動データのうちの1つである、
請求項1から9までのいずれか1項記載の装置(1)。 - 入力信号データにおけるベースライン推定のための方法であって、
前記方法は、
・入力信号データ(I(xi))を検索するステップと、
・ベースライン推定データ(f(xi))を得るために、前記入力信号データ(I(xi))におけるベースライン関与(I2(xi))を推定するステップと、
・出力信号データ(O(xi))を得るために、前記入力信号データ(I(xi))から前記ベースライン推定データを差し引くステップと、
を含んでおり、
・前記ベースライン推定データ(f(xi))を得るステップは、離散グリーン関数(G(xi))による畳み込みを使用して、前記ベースライン推定データ(f(xi))を計算するステップを含んでいる、
方法。 - 前記ベースライン推定データ(f(xi))を計算する前記ステップはさらに、
・第1の反復ステージ(48)と第2の反復ステージ(50)とを含んでいる反復半二次最小化スキーム(66)を使用するステップを含んでおり、
・前記第1の反復ステージ(48)において、補助データ(d(xi))を、以前の反復の前記ベースライン推定データ(f(xi))、切断された二次項(φ(ε(xi)))および前記入力信号データ(I(xi))に応じて更新し、
・前記第2の反復ステージ(50)において、前記ベースライン推定データ(f(xi))を、前記入力信号データ(I(xi))と更新された前記補助データ(d(xi))との総計での離散グリーン関数(G(xi))の畳み込みを使用して直接的に計算する、
請求項11記載の方法。 - 前記切断された二次項(φ(ε(xi)))は、対称および非対称のいずれかである、
請求項12記載の方法。 - 前記離散グリーン関数(G(xi))は、滑らかでないベースライン推定データ(f(xi))にペナルティを課すペナルティ項(P(f(xi)))を含んでいる、
請求項11から13までのいずれか1項記載の方法。 - コンピュータプログラムがプロセッサ上で実行されるときに、請求項11から14までのいずれか1項記載の方法を実施するためのプログラムコードを有するコンピュータプログラム。
- 入力信号データと、請求項11から14までのいずれか1項記載の方法によって入力信号データから作成された出力信号データと、によってトレーニングされたニューラルネットワークデバイス。
- 請求項11から14までのいずれか1項記載の方法の結果である出力信号データ(36)。
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