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1,996 results on '"Sakuma, Ichiro"'

1. Compact, widely tunable ultrashort burst pulse generator using four mirrors

Author

Tanaka, Rikako, Shimada, Keitaro, Ishijima, Ayumu, Kobayashi, Etsuko, Mikami, Hideharu, Sakuma, Ichiro, and Nakagawa, Keiichi

Subjects
Physics - Optics, Physics - Applied Physics
Abstract

Ultrashort burst laser pulses serve as powerful tools for precise laser processing, broadband ultrafast spectroscopy, and high-speed laser-scanning microscopy. However, the performance of conventional burst pulse generators is limited by constraints in the pulse time interval variability, pulse energy variability, pulse number variability, and overall system complexity. Here, we present a compact burst pulse generator that offers a broad tuning range for pulse time intervals, along with control over the number of pulses and pulse energies within the burst. It consists of four mirrors, two of which are parallel to each other, and outputs pulses that are equally spaced both temporally and spatially. We demonstrated the generation of a burst laser pulse by shaping a single ultrashort laser pulse into six pulses with time intervals ranging from femtoseconds to nanoseconds. The pulse time intervals and energies were consistent with theoretical results.

Published
2025

2. Deep-learning-based electrode action potential mapping (DEAP Mapping) from annotation-free unipolar electrogram

Author

Seno, Hiroshi, Kojima, Toshiya, Yamazaki, Masatoshi, Sakuma, Ichiro, Fujiu, Katsuhito, and Tomii, Naoki

Subjects
Electrical Engineering and Systems Science - Signal Processing, Electrical Engineering and Systems Science - Image and Video Processing, 92C55, 68T07, I.2.6, J.3, I.5.4
Abstract

Catheter ablation has limited therapeutic efficacy against non-paroxysmal atrial fibrillation (AF), and electrophysiological studies using mapping catheters have been applied to evaluate the AF substrate. However, many of these approaches rely on detecting excitation timing from electrograms (ECGs), potentially compromising their effectiveness in complex AF scenarios. Herein, we introduce Deep-learning-based Electrode Action Potential Mapping (DEAP Mapping), a deep learning model designed to reconstruct membrane potential images from annotation-free unipolar ECG signals. We conducted ex vivo experiments using porcine hearts (N = 6) to evaluate the accuracy of DEAP Mapping by simultaneously performing fluorescence measurement of membrane potentials and measurements of epicardial unipolar ECGs. Membrane potentials estimated via DEAP Mapping were compared with those measured via optical mapping. We assessed the clinical applicability of DEAP Mapping by comparing the DEAP Mapping's estimations from clinically measured catheter electrode signals with those from established electrode-mapping techniques. DEAP Mapping accurately estimated conduction delays and blocks in ex vivo experiments. Phase variance analysis, an AF substrate evaluation method, revealed that the substrate identified from optical mapping closely resembled that identified from DEAP Mapping estimations (structural similarity index of >0.8). In clinical evaluations, DEAP Mapping estimation observed several conduction delays and blocks that were not observed with existing methods, indicating that DEAP Mapping can estimate excitation patterns with higher spatiotemporal resolution. DEAP Mapping has a potential to derive detailed changes in membrane potential from intra-operative catheter electrode signals, offering enhanced visualisation of the AF substrate from the estimated membrane potentials., Comment: 17 pages, 7 figures, 6 supplemental movies

Published
2024

7. Textile-based conformable and breathable ultrasound imaging probe

Author

Noda, Takumi, Takamatsu, Seiichi, Yamamoto, Michitaka, Tomita, Naoto, Itoh, Toshihiro, Azuma, Takashi, Sakuma, Ichiro, and Tomii, Naoki

Subjects
Physics - Medical Physics, Electrical Engineering and Systems Science - Signal Processing
Abstract

Daily monitoring of internal tissues with conformable and breathable ultrasound (US) imaging probes is promising for early detection of diseases. In recent years, textile substrates are widely used for wearable devices since they satisfy both conformability and breathability. However, it is not currently possible to use textile substrates for US probes due to the reflection or attenuation of US waves at the air gaps in the textiles. In this paper, we fabricated a conformable and breathable US imaging probe by sandwiching the US elements between two woven polyester textiles on which copper electrodes were formed through electroless plating. The air gaps between the fibers at the electrode parts were filled with copper, allowing for high penetration of US waves. On the other hand, the non-electrode parts retain air gaps, leading to high breathability. The fabricated textile-based probe showed low flexural rigidity ($0.066 \times 10^{-4} N \cdot m^2/m$) and high air permeability ($11.7 cm^3 / cm^2 \cdot s$). Human neck imaging demonstrated the ability of the probe to monitor the pulsation of the common carotid artery and change in the internal jugular vein diameter, which lead to the early detection of health issues such as arteriosclerosis and dehydration., Comment: 12 pages, 4 figures

Published
2023

9. Effect of Luseogliflozin, a Sodium-Glucose Cotransporter 2 Inhibitor, and Dipeptidyl-Peptidase 4 Inhibitors on the Quality-of-Life and Treatment Satisfaction of Patients With Type 2 Diabetes Mellitus: A Subanalysis of a Multicenter, Open-Label, Randomized-Controlled Trial (J-SELECT Study)

Author

Fukuda, Masahiro, Sakuma, Ichiro, Wakasa, Yutaka, Funayama, Hideaki, Kondo, Akira, Itabashi, Naoki, Maruyama, Yasuyuki, Kamiyama, Takashi, Utsunomiya, Yasunori, Yamauchi, Akira, Yoshii, Hidenori, Yamada, Hirokazu, Mochizuki, Koichi, and Sugawara, Masahiro

Published
2024
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11. Trans-Window Panoramic Impasto for Online Tissue Deformation Recovery

Author

Chen, Jiahe, Kobayashi, Etsuko, Sakuma, Ichiro, Tomii, Naoki, Goos, Gerhard, Series Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Linguraru, Marius George, editor, Dou, Qi, editor, Feragen, Aasa, editor, Giannarou, Stamatia, editor, Glocker, Ben, editor, Lekadir, Karim, editor, and Schnabel, Julia A., editor

Published
2024
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13. Serum mature and furin-cleaved proprotein convertase subtilisin/kexin type 9 levels and their association with cardiovascular events in statin-treated patients with cardiovascular disease

Author

Hibi, Kiyoshi, Gohbara, Masaomi, Uemura, Kohei, Iwahashi, Noriaki, Okada, Kozo, Iwata, Hiroshi, Fukumoto, Yoshihiro, Hiro, Takafumi, Ozaki, Yukio, Iimuro, Satoshi, Sakuma, Ichiro, Hokimoto, Seiji, Miyauchi, Katsumi, Matsuyama, Yutaka, Nakagawa, Yoshihisa, Ogawa, Hisao, Daida, Hiroyuki, Shimokawa, Hiroaki, Saito, Yasushi, Kimura, Takeshi, Matsuzaki, Masunori, Kimura, Kazuo, and Nagai, Ryozo

Published
2024
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14. Dispersive coherent Brillouin scattering spectroscopy

Author

Ishijima, Ayumu, Okabe, Shinga, Sakuma, Ichiro, and Nakagawa, Keiichi

Subjects
Physics - Optics, Physics - Applied Physics
Abstract

Frequency- and time-domain Brillouin scattering spectroscopy are powerful tools to read out the mechanical properties of complex systems in material and life sciences. Indeed, coherent acoustic phonons in the time-domain method offer superior depth resolution and a stronger signal than incoherent acoustic phonons in the frequency-domain method. However, it does not allow multichannel detection and, therefore, falls short in signal acquisition speed. Here, we present Brillouin scattering spectroscopy that spans the time and frequency domains to allow the multichannel detection of Brillouin scattering light from coherent acoustic phonons. Our technique maps the time-evolve Brillouin oscillations at the instantaneous frequency of a chromatic-dispersed laser pulse. The spectroscopic heterodyning of Brillouin oscillations in the frequency domain enhances the signal acquisition speed by at least 100-fold over the time-domain method. As a proof of concept, we imaged heterogeneous thin films and biological cells over a wide bandwidth with nanometer depth resolution. We, therefore, foresee that our approach catalyzes future phonon spectroscopy toward real-time mechanical imaging.

Published
2021
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15. Overall Efficacy and Safety of Sodium-Glucose Cotransporter 2 Inhibitor Luseogliflozin Versus Dipeptidyl-Peptidase 4 Inhibitors: Multicenter, Open-Label, Randomized-Controlled Trial (J-SELECT study)

Author

Sugawara, Masahiro, Fukuda, Masahiro, Sakuma, Ichiro, Wakasa, Yutaka, Funayama, Hideaki, Kondo, Akira, Itabashi, Naoki, Maruyama, Yasuyuki, Kamiyama, Takashi, Utsunomiya, Yasunori, Yamauchi, Akira, Yoshii, Hidenori, Yamada, Hirokazu, and Mochizuki, Koichi

Published
2023
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21. DAPagliflozin for the attenuation of albuminuria in Patients with hEaRt failure and type 2 diabetes (DAPPER study): a multicentre, randomised, open-label, parallel-group, standard treatment-controlled trial

Author

Yoshihara, Fumiki, Imazu, Miki, Kawabata, Takanori, Omae, Katsuhiro, Izumi, Chisato, Kanzaki, Hideaki, Amaki, Makoto, Okada, Atsushi, Amano, Masashi, Moriuchi, Kenji, Ito, Shin, Hosoda, Kiminori, Makino, Hisashi, Omura-Ohata, Yoko, Tamanaha, Tamiko, Koezuka, Ryo, Noguchi, Michio, Arisato, Tetsuya, Noguchi, Teruo, Tahara, Yoshio, Kataoka, Yu, Asaumi, Yasuhide, Fujino, Masashi, Otsuka, Fumiyuki, Yoneda, Shuichi, Honda, Satoshi, Miura, Hiroyuki, Sakuma, Ichiro, Hiroi, Yukio, Hara, Hisao, Yamamoto, Masaya, Okazaki, Toru, Nakagawa, Takashi, Kubota, Shuji, Torii, Shunsuke, Yamamoto, Jumpei, Miyake, Wataru, Nagai, Ran, Ishiwata, Mai, Okazaki, Osamu, Ishiguro, Chizuru, Shiraiwa, Toshihiko, Nishioka, Norio, Maeno, Yoshifumi, Yamamoto, Kaoru, Yoshida, Yoko, Shiraiwa, Yuka, Fujii, Kenshi, Iwakura, Katsuomi, Okamura, Atsunori, Hirao, Yuko, Tanaka, Koji, Iwamoto, Mutsumi, Tanaka, Nobuaki, Okada, Masato, Sumiyoshi, Akinori, Tanaka, Kota, Watanabe, Satoshi, Harada, Shinichi, Kashiyama, Toshikazu, Tomonaga, Osamu, Kobayashi, Koichi, Ishiki, Ryoji, Yamamoto, Dai, Ito, Tadahiro, Takihata, Masahiro, Yumoto, Kazuhiko, Fukuzawa, Tomoyuki, Takase, Hiroyuki, Hayashi, Kazusa, Himi, Toshiharu, Hyodo, Yusuke, Ishibashi, Ryoichi, Shimizu, Ikki, Murakami, Tsutomu, Ikari, Yuji, Ohno, Yohei, Sakama, Susumu, Nakamura, Norihito, Miyamoto, Junichi, Torii, Sho, Ijichi, Takeshi, Lee, Kyong Hee, Wagatsuma, Kenji, Nii, Hideo, Uchida, Yasuto, Sato, Katsuhiko, Hiramatsu, Takeyuki, Takada, Yasunobu, Akabame, Satoshi, Koide, Masahiro, Kitajima, Hiroki, Kato, Yukinori, Sogabe, Koji, Fukui, Kento, Kogure, Masaya, Kishi, Akio, Hata, Shiro, Shinboku, Hiroki, Muroya, Takahiro, Sonoda, Koichiro, Asakura, Masanori, and Kitakaze, Masafumi

Published
2023
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23. Differential prediction of high-sensitivity cardiac troponin-I, but not N-terminal pro-brain natriuretic peptide, in different pitavastatin doses on cardiovascular events in stable coronary artery disease

Author

Mitsutake, Yoshiaki, Ishii, Junnichi, Fukumoto, Yoshihiro, Ito, Sohei, Kashiwabara, Kosuke, Uemura, Kouhei, Matsuyama, Yutaka, Sugiyama, Yoichi, Ozaki, Yukio, Iimuro, Satoshi, Iwata, Hiroshi, Sakuma, Ichiro, Nakagawa, Yoshihisa, Hibi, Kiyoshi, Hiro, Takafumi, Hokimoto, Seiji, Miyauchi, Katsumi, Daida, Hiroyuki, Shimokawa, Hiroaki, Saito, Yasushi, Kimura, Takeshi, Matsuzaki, Masunori, and Nagai, Ryozo

Published
2023
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27. Fluid-Structure Interaction Analysis of 3D Human Aortic Valve Model Constructed from CT Images

Author

Miyazaki, Sakurako, Hatano, Asuka, Izumi, Satoshi, Morishita, Yusuke, Fan, Bowen, Takagi, Shu, Tomii, Naoki, Tsukihara, Hiroyuki, Maeda, Eriko, Yamaguchi, Haruo, Nawata, Kan, Sakuma, Ichiro, Ono, Minoru, Magjarevic, Ratko, Series Editor, Ładyżyński, Piotr, Associate Editor, Ibrahim, Fatimah, Associate Editor, Lackovic, Igor, Associate Editor, Rock, Emilio Sacristan, Associate Editor, Shiraishi, Yasuyuki, editor, Sakuma, Ichiro, editor, Naruse, Keiji, editor, and Ueno, Akinori, editor

Published
2021
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28. Numerical Analysis of Aortic Valve Stress for Phantom Experiments

Author

Watanabe, Takuya, Hatano, Asuka, Izumi, Satoshi, Tomii, Naoki, Maeda, Eriko, Yamauchi, Haruo, Nawata, Kan, Takagi, Shu, Sakuma, Ichiro, Ono, Minoru, Tsukihara, Hiroshi, Magjarevic, Ratko, Series Editor, Ładyżyński, Piotr, Associate Editor, Ibrahim, Fatimah, Associate Editor, Lackovic, Igor, Associate Editor, Rock, Emilio Sacristan, Associate Editor, Shiraishi, Yasuyuki, editor, Sakuma, Ichiro, editor, Naruse, Keiji, editor, and Ueno, Akinori, editor

Published
2021
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29. PET-Laparoscope System with a Multi-layer Movable Detector: Feasibility Study with an Abdominal Phantom

Author

Liyanaarachchi, Madhushanka R., Shimazoe, Kenji, Takahashi, Hiroyuki, Nakagawa, Keiichi, Kobayashi, Etsuko, Sakuma, Ichiro, Magjarevic, Ratko, Series Editor, Ładyżyński, Piotr, Associate Editor, Ibrahim, Fatimah, Associate Editor, Lackovic, Igor, Associate Editor, Rock, Emilio Sacristan, Associate Editor, Shiraishi, Yasuyuki, editor, Sakuma, Ichiro, editor, Naruse, Keiji, editor, and Ueno, Akinori, editor

Published
2021
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30. Immunogenic Cell Death Induced by Selective Intracellular Vaporization in vitro

Author

Ishijima, Ayumu, Yamaguchi, Satoshi, Azuma, Takashi, Kobayashi, Etsuko, Kakimi, Kazuhiro, Shibasaki, Yoshikazu, Nagamune, Teruyuki, Sakuma, Ichiro, Magjarevic, Ratko, Series Editor, Ładyżyński, Piotr, Associate Editor, Ibrahim, Fatimah, Associate Editor, Lackovic, Igor, Associate Editor, Rock, Emilio Sacristan, Associate Editor, Shiraishi, Yasuyuki, editor, Sakuma, Ichiro, editor, Naruse, Keiji, editor, and Ueno, Akinori, editor

Published
2021
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31. Effects of pemafibrate on lipid metabolism in patients with type 2 diabetes and hypertriglyceridemia: A multi-center prospective observational study, the PARM-T2D study

Author

Kito, Kenichi, Nomoto, Hiroshi, Sakuma, Ichiro, Nakamura, Akinobu, Cho, Kyu Yong, Kameda, Hiraku, Miya, Aika, Omori, Kazuno, Yanagiya, Shingo, Handa, Takahisa, Taneda, Shinji, Takeuchi, Jun, Nagai, So, Yamashita, Kumiko, Kurihara, Yoshio, Atsumi, Tatsuya, and Miyoshi, Hideaki

Published
2022
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34. Development of a measuring system for the data collection of a surgical energy device.

Author

van Esch, Pepijn, Hara, Kazuaki, Takeshita, Nobushige, Takenaka, Shin, Takeshita, Nobuyoshi, Ito, Masaaki, Sakuma, Ichiro, and Kobayashi, Etsuko

Subjects
CROSS correlation, ENERGY levels (Quantum mechanics), IMAGE analysis, ACCURACY of information, ENERGY consumption
Abstract

Research about intraoperative images for surgical analysis is currently popular. It is expected that the analysis will become more accurate by adding the usage status of surgical energy devices. This paper proposes a new method for the state recognition of an energy device. The measurement system will be integrated into the OPeLiNK system of the Smart Cyber Operating Theatre, SCOT. The developed system uses image recognition in the form of template matching to estimate the state of the device. A new approach based on predetermined locations with respect to a reference image is proposed for indicator localization. For light indicator recognition, a new method based on the luminance level with respect to template images with threshold estimation is proposed. For character recognition, an existing Normalized Cross Correlation method is applied. The system has been tested on the Conmed System 2450. 2963 videos of nine colon surgeries performed at Japan's National Cancer Center were evaluated. The results show that the system has a 98.2% accuracy in giving information on the use of energy devices during surgery and outperforms the state-of-the-art in measuring more significant data. This makes it suitable to be integrated into the OPeLiNK system for postsurgery error evaluation. [ABSTRACT FROM AUTHOR]

Published
2024
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35. Plasma ANGPTL8 Levels and Risk for Secondary Cardiovascular Events in Japanese Patients With Stable Coronary Artery Disease Receiving Statin Therapy

Author

Morinaga, Jun, Kashiwabara, Kosuke, Torigoe, Daisuke, Okadome, Yusuke, Aizawa, Kenichi, Uemura, Kohei, Kurashima, Ai, Matsunaga, Eiji, Fukami, Hirotaka, Horiguchi, Haruki, Sato, Michio, Sugizaki, Taichi, Miyata, Keishi, Kadomatsu, Tsuyoshi, Mukoyama, Masashi, Miyauchi, Katsumi, Hokimoto, Seiji, Fukumoto, Yoshihiro, Hiro, Takafumi, Hibi, Kiyoshi, Nakagawa, Yoshihisa, Sakuma, Ichiro, Ozaki, Yukio, Iwata, Hiroshi, Iimuro, Satoshi, Daida, Hiroyuki, Shimokawa, Hiroaki, Kimura, Takeshi, Matsuzaki, Masunori, Saito, Yasushi, Matsuyama, Yutaka, Nagai, Ryozo, and Oike, Yuichi

Published
2023
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37. Optimal target of LDL cholesterol level for statin treatment: challenges to monotonic relationship with cardiovascular events

Author

Sakuma, Masashi, Iimuro, Satoshi, Shinozaki, Tomohiro, Kimura, Takeshi, Nakagawa, Yoshihisa, Ozaki, Yukio, Iwata, Hiroshi, Miyauchi, Katsumi, Daida, Hiroyuki, Suwa, Satoru, Sakuma, Ichiro, Nishihata, Yosuke, Saito, Yasushi, Ogawa, Hisao, Matsuzaki, Masunori, Ohashi, Yasuo, Taguchi, Isao, Toyoda, Shigeru, Inoue, Teruo, and Nagai, Ryozo

Published
2022
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40. Relation of renal function to mid-term prognosis of stable angina patients with high- or low-dose pitavastatin treatment: REAL-CAD substudy

Author

Abe, Mitsuru, Ozaki, Yukio, Takahashi, Hiroshi, Ishii, Mitsuru, Masunaga, Nobutoyo, Ismail, Tevfik F., Iimuro, Satoshi, Fujita, Retsu, Iwata, Hiroshi, Sakuma, Ichiro, Nakagawa, Yoshihisa, Hibi, Kiyoshi, Hiro, Takafumi, Fukumoto, Yoshihiro, Hokimoto, Seiji, Miyauchi, Katsumi, Ogawa, Hisao, Daida, Hiroyuki, Shimokawa, Hiroaki, Saito, Yasushi, Matsuzaki, Masunori, Akao, Masaharu, Kimura, Takeshi, and Nagai, Ryozo

Published
2021
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44. Application of Structured Light Illumination and Compressed Sensing to High Speed Laminar Optical Fluorescence Tomography

Author

Sakuma, Ichiro, Kobayashi, Toshiki, Seno, Hiroshi, Akagi, Yuki, Nakagawa, Keiichi, Yamazaki, Masatoshi, Tomii, Naoki, Magjarevic, Ratko, Series Editor, Ładyżyński, Piotr, Associate Editor, Ibrahim, Fatimah, Associate Editor, Lackovic, Igor, Associate Editor, Rock, Emilio Sacristan, Associate Editor, González Díaz, César A., editor, Chapa González, Christian, editor, Laciar Leber, Eric, editor, Vélez, Hugo A., editor, Puente, Norma P., editor, Flores, Dora-Luz, editor, Andrade, Adriano O., editor, Galván, Héctor A., editor, Martínez, Fabiola, editor, García, Renato, editor, Trujillo, Citlalli J., editor, and Mejía, Aldo R., editor

Published
2020
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45. Efficacy of Alogliptin/Metformin Fixed-Dose Combination Tablets and Vildagliptin/Metformin Fixed-Dose Combination Tablets on Glycemic Control in Real-World Clinical Practice for the Patients with Type 2 Diabetes: A Multicenter, Open-Label, Randomized, Parallel Group, Comparative Trial

Author

Abe, Tomoe, Takeda, Yasutaka, Sakuma, Ichiro, Okada, Mizuho, Kurigaki, Ayaka, Bessho, Ryoichi, Sato, Mao, Kitsunai, Hiroya, Takiyama, Yumi, and Sakurai, Masaru

Abstract

Background: This study was aimed to compare the efficacy of two combination tablets of dipeptidyl peptidase-4 (DPP-4) inhibitors and metformin with different dosages, alogliptin/metformin (AM) and vildagliptin/metformin (VM), on glycemic control in patients with type 2 diabetes (T2D). Methods: This was a prospective, multicenter, open-label, randomized, parallel group, comparative trial. After a run-in period of treatment with metformin alone, a total of 59 Japanese outpatients with T2D, aged 20–79 years with glycated hemoglobin (HbA1c) levels of 6.5%–10% were randomly assigned to 12-week AM treatment, alogliptin 25 mg/metformin 500 mg combination tablet orally once a day, or VM treatment, vildagliptin 50 mg/metformin 250 mg combination tablet orally twice a day. The primary endpoints were the changes in HbA1c and fasting plasma glucose (FPG) levels from baseline to week 12 between the two groups. Blinded intermittently scanned continuous glucose monitoring (isCGM) was performed between weeks 10 and 12. The incidence of adverse events during the study was also evaluated. Results: In all, 52 participants were analyzed. Significant decreases in HbA1c and FPG levels from baseline to week 12 were observed in both treatment groups. However, there were no significant differences between the AM and VM groups in the change in HbA1c level (–0.3% and –0.4%, P = 0.309) or the FPG level (–9.0 and –15.0 mg/dL, P = 0.789). The isCGM revealed that both treatments achieved the recommended glycemic target range. No adverse events, such as severe hypoglycemia, were observed in either group. Conclusions: We concluded that there were no significant differences in the efficacy of two combination tablets of DPP-4 inhibitors and metformin with different dosages on glycemic control in patients with T2D. [ABSTRACT FROM AUTHOR]

Published
2024
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46. Element Array Optimization for Skin-Attachable Ultrasound Probes to Improve the Robustness against Positional and Angular Errors.

Author

Noda, Takumi, Azuma, Takashi, Sakuma, Ichiro, and Tomii, Naoki

Subjects
ULTRASONIC imaging, BLOOD vessels, EVERYDAY life, CYSTS (Pathology), ANGLES
Abstract

Featured Application: This work allows for ultrasound imaging with wearable probes by roughly attaching them to the skin, facilitating the monitoring of the body internal tissues in daily life. Skin-attachable ultrasound probes face challenges in imaging the intended cross-section due to the difficulty in precisely adjusting the position and angle of attachment. While matrix element arrays are capable of imaging any cross-section within a three-dimensional field of view, their implementation presents a challenge due to the significant number of required ultrasound elements. We propose a method for optimizing the coordinates and shapes of elements based on the focusing quality onto the imaging points under the positional and angular errors in the element array. A 128-element array was optimized through the proposed method and its imaging performance was evaluated with simulated phantoms. The optimized array demonstrated the ability to clearly visualize the simulated wires, cysts, and blood vessels even with the positional error of 3 mm and the angular error of 20°. These results indicate the feasibility of developing a skin-attachable ultrasound probe that can be easily used in daily life without requiring precise positional and angular accuracy. [ABSTRACT FROM AUTHOR]

Published
2024
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