An Optimized Attenuation Compensation and Contrast Enhancement Algorithm Without Pseudocharacteristics in Intravascular OCT Imaging

Zhou, Yuqiu; Liu, Tiegen; Ding, Zhenyang; Tao, Kuiyuan; Liu, Kun; Liu, Zixu; Jiang, Yanrui; Kuang, Hao

doi:10.1109/jphot.2016.2606239

Cited by 5 publications

(2 citation statements)

References 19 publications

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“…Then, he compared IVOCT images with different enhancement coefficient values to evaluate the effect of each algorithm based on the improvement of depth visibility, contrast enhancement, and feature retention. Although his research can derive the best attenuation coefficient for attenuation compensation and contrast enhancement algorithms, the research lacks systematic contrast [ 1 ]. KouvAa aims to compare the diagnostic accuracy of axial chest CT, other imaging techniques, and image reconstruction algorithms with fiberoptic bronchoscopy (FOB) endoscopy in patients with newly discovered endobronchial lesions.…”

Section: Introductionmentioning

confidence: 99%

Nursing Observation on the Clinical Efficacy and Toxicity of Lobaplatin Compared with Cisplatin in the Treatment of Locally Advanced Hypopharyngeal Carcinoma Based on Intelligent CT Imaging

Yang

et al. 2021

Journal of Healthcare Engineering

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With the acceleration of people’s life rhythm, the incidence of hypopharyngeal cancer has generally increased. This study mainly explores the clinical efficacy and toxicity of lobaplatin compared with cisplatin in the treatment of locally advanced hypopharyngeal carcinoma based on intelligent CT imaging. Group A received lobaplatin combined with docetaxel induction chemotherapy for 2 cycles after cisplatin combined with intensity-modulated radiotherapy. Lobaplatin was added to the patient, then, 200 ml of 5% glucose was added, and the patient was injected intravenously for 1.8 hours. After 2 cycles of induction chemotherapy, simultaneous lobaplatin chemotherapy was performed every week for 5 weeks (10 mg/week), and the efficacy was evaluated after 4 consecutive courses of treatment. Group B received cisplatin combined with docetaxel induction chemotherapy after 2 cycles of cisplatin combined with intensity-modulated radiotherapy. Group C was the control group and was not treated with cisplatin or docetaxel. Stomach protection treatment was given in time throughout the treatment process. All patients underwent normal CT (NCCT) and enhanced CT (CECT) examinations before treatment. We extracted 5 mm plain scan CTQNCCT and enhanced CT (CECT) digital DICOM images from the PACS system for omics feature selection. Toxic and side effects are rated in different degrees according to the evaluation criteria of the National Cancer Institute (NCD) common adverse events. Blood routine and liver and kidney function tests were checked every week, and the medication was stopped immediately if there is a serious reaction. In addition, in vitro cell culture was set up to test the inhibitory effect of cisplatin and lobaplatin on the proliferation of cancer cells. The incidence of digestive tract reaction was 13.0% in the A plan group and 58.3% in the B plan group. The A group was lower than the B group, and the difference was statistically significant ( P = 0.001 < 0.05). Compared with cisplatin, lobaplatin has a milder gastrointestinal reaction, and there is no common hepatic and renal toxicity of cisplatin. This study is helpful to provide guidance for the clinical efficacy of locally advanced hypopharyngeal cancer treatment.

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Section: Introductionmentioning

confidence: 99%

Nursing Observation on the Clinical Efficacy and Toxicity of Lobaplatin Compared with Cisplatin in the Treatment of Locally Advanced Hypopharyngeal Carcinoma Based on Intelligent CT Imaging

Yang

et al. 2021

Journal of Healthcare Engineering

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“…Some researchers held that the spatial information of the image is more suitable for image enhancement than the firstorder statistics. For example, Zhou et al [6] put forward the context and variation contrast enhancement algorithm, which adjusts the image with two-dimensional (2D) histogram. Under the best contrast tone mapping framework, Song et al [7] proposed a new image enhancement algorithm that overcomes the limitations of contrast enhancement histogram, using the joint probability of spatial information.…”

Section: Image Enhancementmentioning

confidence: 99%

An Image Sharpness Enhancement Algorithm Based on Green Function

Huang¹

2021

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The traditional image sharpness enhancement algorithm faces several defects, namely, the lack of details, and the poor subjective effect. To solve these defects, this paper proposes an image sharpness enhancement algorithm based on the Green function. Specifically, the Retinex model was employed to ensure that the enhanced image has outstanding details, and the Poisson’s equation was solved to maintain the consistency between the enhanced image and the original image in the gradient domain. Then, adaptive brightness mapping was carried out to determine the boundary conditions suitable for display, and the boundary of the region was sampled to reduce the complexity of our algorithm. Experimental results show that our algorithm improved the contrast and sharpness of images from the levels of contrastive image enhancement algorithms.

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Defocus and contrast agent absorption compensation method in intravascular optical coherence tomography imaging

Tao

Ding

Rui-xiang

et al. 2020

Optics and Lasers in Engineering

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An Optimized Attenuation Compensation and Contrast Enhancement Algorithm Without Pseudocharacteristics in Intravascular OCT Imaging

Cited by 5 publications

References 19 publications

Nursing Observation on the Clinical Efficacy and Toxicity of Lobaplatin Compared with Cisplatin in the Treatment of Locally Advanced Hypopharyngeal Carcinoma Based on Intelligent CT Imaging

Nursing Observation on the Clinical Efficacy and Toxicity of Lobaplatin Compared with Cisplatin in the Treatment of Locally Advanced Hypopharyngeal Carcinoma Based on Intelligent CT Imaging

An Image Sharpness Enhancement Algorithm Based on Green Function

Defocus and contrast agent absorption compensation method in intravascular optical coherence tomography imaging

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