関連する実験動画
Updated: Feb 16, 2026
10:17
Guidelines and Experience Using Imaging Biomarker Explorer IBEX for Radiomics
Published on: January 8, 2018
13.8K
RadRepro CBCT: 放射線学研究の標準化と再現性を向上させるためのオープンアクセスCBCTファントムデータセット
Sepideh Hatamikia1,2,3, Elisabeth Steiner4, Eashrat Jahan Muniya5
1Clinical AI-Research in Omics and Medical Data Science (CAROM) group, Department of Medicine, Danube Private University (DPU), Krems, Austria. sepideh.hatamikia@dp-uni.ac.at.
Scientific data
|February 14, 2026
まとめ
研究者らは,放射線学の再現性の課題に対処するために,コンビームコンピューティングトモグラフィー (CBCT) 画像のオープンアクセスデータセットを開発しました. このリソースは,CBCT放射学研究の標準化と,信頼性の高い臨床モデルの開発に役立ちます.
科学分野:
- メディカルイマージング (医学イメージング)
- 放射線療法 物理学
- 定量イメージングとは
背景:
- ラジオミクスは,がんの診断,予後,治療計画を改善するための大きな可能性を秘めています.
- 放射線学的特性の再現性は,イメージング機器,プロトコル,再構築技術における変動によって妨げられています.
研究 の 目的:
- ラジオミクスの再現性を評価するための最初のオープンアクセスのコーンビームコンピューティングトモグラフィー (CBCT) ファントムデータセットを導入する.
- CBCT放射学研究の標準化を促進し,特徴の安定性を向上させる.
主な方法:
- Catphanのファントムを使って,複数のオンボード画像システムで120個のCBCTボリュームを取得しました.
- mAs,スライス厚さ,再構築フィルターなどのさまざまなイメージングパラメータ.
- 興味のある地域 (ROI) のセグメンテーションと,包括的な分析のためのラジオミクス機能が含まれています.
主要な成果:
- このデータセットは,さまざまなベンダーと取得環境におけるラジオミクスの機能安定性の徹底的なテストを可能にします.
- CBCT放射学におけるベンダー内およびベンダー間の変動性を評価するための基礎を提供します.
結論:
- オープンアクセスのCBCTファントムデータセットは,放射線治療における再生可能な放射学研究の進歩に不可欠です.
- 改善された臨床意思決定のための堅牢な放射線学モデルの開発を支援することを目的としています.
関連する概念動画
02:37Standard Enthalpy of Formation
49.6K
Enthalpy changes are typically tabulated for reactions in which both the reactants and products are at the same conditions. A standard state is a commonly accepted set of conditions used as a reference point for the determination of properties under other different conditions. For chemists, the IUPAC standard state refers to materials under a pressure of 1 bar and solutions at 1 M and does not specify a temperature. Many thermochemical tables list values with a standard state of 1 atm. Because...
49.6K
03:02Standard Electrode Potentials
50.6K
On comparing the reactivity of silver and lead, it is observed that the two ionic species, Ag+ (aq) and Pb2+ (aq), show a difference in their redox reactivity towards copper: the silver ion undergoes spontaneous reduction, while the lead ion does not. This relative redox activity can be easily quantified in electrochemical cells by a property called cell potential. This property is commonly known as cell voltage in electrochemistry, and it is a measure of the energy which accompanies the charge...
50.6K
03:38Measurement: Standard Units
82.5K
Every measurement provides three kinds of information: the size or magnitude of the measurement (a number), a standard of comparison for the measurement (a unit), and an indication of the uncertainty of the measurement. While the number and unit are explicitly represented when a quantity is written, the uncertainty is an aspect of the errors in the measurement results.
82.5K
02:49Calculating Standard Free Energy Changes
25.8K
The free energy change for a reaction that occurs under the standard conditions of 1 bar pressure and at 298 K is called the standard free energy change. Since free energy is a state function, its value depends only on the conditions of the initial and final states of the system. A convenient and common approach to the calculation of free energy changes for physical and chemical reactions is by use of widely available compilations of standard state thermodynamic data. One method involves the...
25.8K
01:14Standard Solutions
2.6K
Standard solutions refer to solutions with a precisely known concentration or composition. A primary standard is a highly pure, high molar mass, stable substance that is entirely soluble in water, the most commonly used solvent in analytical chemistry. The primary standard solution can be used to standardize secondary standards, which are substances with known concentrations but are less pure and stable. Standard solutions are essential for achieving accurate and reliable results in analytical...
2.6K
01:26Standard Precaution
3.2K
Standard precautions are the minimum infection control safeguards used while caring for all patients, irrespective of their disease condition. They help prevent the spread of common infectious microorganisms to healthcare workers, patients, and visitors in all healthcare settings.
Hand hygiene is the most crucial means to prevent the transmission of disease. Employers are legally required to provide their workers with personal protective equipment (PPE) to minimize exposure or contact with...
Hand hygiene is the most crucial means to prevent the transmission of disease. Employers are legally required to provide their workers with personal protective equipment (PPE) to minimize exposure or contact with...
3.2K