The study on imaging enhancement with some basic technologies of image reconstruction is presented.
介绍了用图像恢复的基本原理在光学相干层析术图像增强方面的工作。
Imaging enhancement tools provide the operator with information to quickly and accurately evaluate the image for concealed objects.
影像增强工具为操作者提供信息,能快速、精确地对隐蔽的目标进行评估。
At present, a kind of equipment for medical imaging enhancement , high-pressure injector system, has been applied widely to such medical fields as Angiography, DSA, CT and MR.
目前,一种适用于医学影像增强检查的设备——造影用高压注射系统在血管造影、DSA、CT及MR等医学领域得到广泛使用。
Currently, magnetic resonance imaging (MRI) is used 1-3 months after treatment to evaluate anatomical tumor response, based upon changes in tumor size and contrast-agent enhancement.
目前,人们基于肿瘤大小和对比剂增强变化之原理,在治疗后1 - 3个月时,用磁共振成像(MRI)来评估解剖学上的肿瘤反应。
Because fourth ventricular subependymomas can have calcification and contrast enhancement more typical of ependymomas, diagnostic imaging is more challenging.
由于四脑室的室管膜下瘤更容易出现钙化,增强扫描多有强化,其诊断更具有挑战性。
On imaging, the tumour center is in the high nasal vault and demonstrates variable signal intensity on T2 weighted imaging with subsequent heterogeneous enhancement.
影像上肿块的中心位于高位的鼻穹窿,并且在T2序列上其信号强度不一,强化也不均匀。
Imaging features resemble an aggressive mass lesion with enhancement and mass effect.
影像学表现类似侵袭性肿瘤,增强扫描可见强化,占位效应明显。
Imaging studies show ring enhancement and capsular thickening.
影像上表现为环状强化,囊壁增厚。
Objective To assess the feasibility of diffusion-weighted imaging (DWI) on brain after conventional Gd-DTPA enhancement scanning.
目的探讨常规增强扫描之后行d WI检查的可行性。
In single photon emission computed tomography (SPECT), accurately modeling of the physics of SPECT imaging process is essential to degrading factor compensation and image quality enhancement.
在单光子发射断层成像(SPECT)中,为了校正劣化因素的影响,提高图像质量,需要对SPECT成像的物理过程进行准确建模。
Objective To assess the value of MSCT tri-phase enhancement scanning and perfusion imaging in diagnosing and differential diagnosing of tumor-like lesions.
目的探讨MSCT三期增强扫描及灌注成像在肾肿瘤样病变诊断及鉴别诊断中的应用价值。
This resolution enhancement has been demonstrated in the imaging experiment with a double-point source.
我们通过双点源成像的实验证实了声子晶体成像分辨率确实得到了提高。
Objective To assess normal liver contrast color enhancement using harmonic power imaging (HPI), comparative studies between HPI and color Doppler flow imaging (CDFI) were performed.
目的评价谐波能量显像(HPI)在正常肝脏声学造影中的造影增强效果,并与彩色多普勒血流显像(CDFI)进行对比。
Contrast enhancement is particularly important for imaging of weakly absorbing materials.
对比度增强对于弱吸收材料的成像具有重要意义。
Objective To evaluate the enhancement effect of self made lipid ultrasound contrast agent for normal rabbit kidney and the relationship of doses or different imaging methods with enhancement effects.
目的探讨自制脂质类超声造影剂对正常兔肾的增强效果,以及不同显像方式、造影剂量对造影效果的影响与变化规律。
Magnetic transfer imaging, together with USPIO enhancement scan, was helpful to determine the features of the EAE lesions.
与uspio增强扫描相结合,磁化传递成像能够提示EAE病变的性质。
Results Compared with dynamic CT, 93.9% (31/33) of tumors before treatment were demonstrated as enhancement on both intermittent harmonic power Doppler imaging and gray-scale harmonic subtraction.
结果以动态增强CT结果为金标准,治疗前33个肝癌结节,超声造影增强的阳性率为93.9%( 31/ 33) ;
Purpose: To investigate the value of dynamic and time delayed enhancement MR imaging on the diagnosis of hepatic hemangioma.
目的:研究动态增强及延迟增强扫描磁共振成像对肝血管瘤的诊断价值。
Methods 94 patients were examined with PIH imaging after injection of SonoVue and compared the changing characteristic of enhancement phases and perfusion.
方法对94例肝肿瘤进行超声造影PIH显像,比较病灶增强的时相变化特点及灌注特征。
The lumbar magnetic resonance imaging showed a cystic lesion with septation and slight rim enhancement after gadolinium administration at the L4–S1 area.
腰部MRI显示在L4–S1区域在使用钆类造影剂后显示为有间隔和环状增强的囊性病变。
Objective To characterize the dynamic contrast enhancement in focal hepatic lesions with pulse inversion harmonic (PIH) ultrasonographic imaging.
目的探讨不同肝局灶性病变在超声造影反向脉冲谐波显像时的动态灌注过程及其特征。
Objective To characterize the dynamic contrast enhancement in focal hepatic lesions with pulse inversion harmonic (PIH) ultrasonographic imaging.
目的探讨不同肝局灶性病变在超声造影反向脉冲谐波显像时的动态灌注过程及其特征。
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