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Catphan189低對(duì)比度模體,Catphan191頭部低對(duì)比度模體,Catphan低對(duì)比度模體詳細(xì)介紹：

Catphan189低對(duì)比度模體,Catphan191頭部低對(duì)比度模體,Catphan低對(duì)比度模體
Catphan189主體低對(duì)比度模體和Catphan191頭部低對(duì)比度模體,Catphan低對(duì)比度模體是為MITA CT IQ任務(wù)組定義的低對(duì)比度成像評(píng)估而設(shè)計(jì)的。這些模體取代了之前的CCT183模體。

Catphan189主體低對(duì)比度模體和Catphan191頭部低對(duì)比度模體都有八個(gè)對(duì)比度桿在制造時(shí)評(píng)估在0.05％的密度或±0.5 HU的目標(biāo)值。對(duì)比度對(duì)象的對(duì)稱定位使得這些模體成為評(píng)估重建算法的強(qiáng)制選擇和評(píng)分尺度實(shí)驗(yàn)的理想選擇。

欲了解更多信息，請(qǐng)參閱Catphan189主體低對(duì)比度模體和Catphan191頭部低對(duì)比度模體手冊(cè)。

CCT189 LC人體模型具有以下對(duì)比度桿：

14HU對(duì)比，3mm直徑×40mm長(zhǎng)度和15mm直徑×10mm長(zhǎng)度
7HU對(duì)比，5mm直徑×40mm長(zhǎng)度和15mm直徑×10mm長(zhǎng)度
5HU對(duì)比，直徑7mm×長(zhǎng)度40mm，直徑15mm×長(zhǎng)度10mm
3HU對(duì)比，直徑10mm×長(zhǎng)度40mm，直徑15mm×長(zhǎng)度10mm

CCT191 LC人體模型具有以下對(duì)比度桿：

9HU對(duì)比，3mm直徑×40mm長(zhǎng)度和15mm直徑×10mm長(zhǎng)度
7HU對(duì)比，5mm直徑×40mm長(zhǎng)度和15mm直徑×10mm長(zhǎng)度
5HU對(duì)比，直徑7mm×長(zhǎng)度40mm，直徑15mm×長(zhǎng)度10mm
3HU對(duì)比，直徑10mm×長(zhǎng)度40mm，直徑15mm×長(zhǎng)度10mm

Catphan189低對(duì)比度模體

The CCT189 (body) and CCT191 (head) Low Contrast Phantoms are designed for low contrast imaging evaluations as defined by the MITA CT IQ Task Group. These phantoms replace the earlier CCT183 phantom.

Both phantoms have eight contrast rods evaluated at manufacturing to be within 0.05% density or ±0.5 HU of target values. The symmetric positioning of the contrast object make these phantoms ideal for conducting forced choice and rating scale experiments for evaluating reconstruction algorithms.

For further information please see the CCT189 and CCT191 MITA CT IQ Low Contrast Phantom Manual.

The CCT189 LC Body Phantom has the following contrast rods:

14HU contrast, 3mm diameter x 40mm length and 15mm diameter x 10mm length
7HU contrast, 5mm diameter x 40mm length and 15mm diameter x 10mm length
5HU contrast, 7mm diameter x 40mm length and 15mm diameter x 10mm length
3HU contrast, 10mm diameter x 40mm length and 15mm diameter x 10mm length

The CCT191 LC Body Phantom has the following contrast rods:

9HU contrast, 3mm diameter x 40mm length and 15mm diameter x 10mm length
7HU contrast, 5mm diameter x 40mm length and 15mm diameter x 10mm length
5HU contrast, 7mm diameter x 40mm length and 15mm diameter x 10mm length
3HU contrast, 10mm diameter x 40mm length and 15mm diameter x 10mm length

Catphan189主體低對(duì)比度模體和Catphan191頭部低對(duì)比度模體都有八個(gè)對(duì)比度桿在制造時(shí)評(píng)估在0.05％的密度或±0.5 HU的目標(biāo)值。對(duì)比度對(duì)象的對(duì)稱定位使得這些模體成為評(píng)估重建算法的強(qiáng)制選擇和評(píng)分尺度實(shí)驗(yàn)的理想選擇。

欲了解更多信息，請(qǐng)參閱Catphan189主體低對(duì)比度模體和Catphan191頭部低對(duì)比度模體手冊(cè)。

CCT189 LC人體模型具有以下對(duì)比度桿：

14HU對(duì)比，3mm直徑×40mm長(zhǎng)度和15mm直徑×10mm長(zhǎng)度
7HU對(duì)比，5mm直徑×40mm長(zhǎng)度和15mm直徑×10mm長(zhǎng)度
5HU對(duì)比，直徑7mm×長(zhǎng)度40mm，直徑15mm×長(zhǎng)度10mm
3HU對(duì)比，直徑10mm×長(zhǎng)度40mm，直徑15mm×長(zhǎng)度10mm

CCT191 LC人體模型具有以下對(duì)比度桿：

9HU對(duì)比，3mm直徑×40mm長(zhǎng)度和15mm直徑×10mm長(zhǎng)度
7HU對(duì)比，5mm直徑×40mm長(zhǎng)度和15mm直徑×10mm長(zhǎng)度
5HU對(duì)比，直徑7mm×長(zhǎng)度40mm，直徑15mm×長(zhǎng)度10mm
3HU對(duì)比，直徑10mm×長(zhǎng)度40mm，直徑15mm×長(zhǎng)度10mm