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  1. No Access

    Article

    Enhancing defective region visualization in industrial products using Grad-CAM and random masking data augmentation

    Defect detection in various industrial products ensures product quality and safety. This paper introduces an innovative design, training, and evaluation application employing CNN, CAE, YOLO, FCN, and SVM model...

    Tatsuki Shimizu, Fusaomi Nagata, Koki Arima, Kohei Miki in Artificial Life and Robotics (2024)

  2. No Access

    Article

    Proposal of hyper-CLS data for industrial robots-HCLS statements for sequence control of multiple robots

    In designing and manufacturing processes using CAD/CAM systems, cutter location source (CLS) data are generally used for intermediate data to finally generate numerical control (NC) data for various types of N...

    Ryoma Abe, Fusaomi Nagata, Daiki Terasaki, Hirohisa Kato in Artificial Life and Robotics (2023)

  3. No Access

    Article

    Improvements of detection accuracy and its confidence of defective areas by YOLOv2 using a data set augmentation method

    Recently, CNN (Convolutional Neural Network) and Grad-CAM (Gradient-weighted Class Activation Map) are being applied to various kinds of defect detection and position recognition for industrial products. Howev...

    Koki Arima, Fusaomi Nagata, Tatsuki Shimizu, Akimasa Otsuka in Artificial Life and Robotics (2023)

  4. No Access

    Article

    Visualization and location estimation of defective parts of industrial products using convolutional autoencoder

    The authors have been develo** a design and training application with a user-friendly operation interface for CNN (Convolutional Neural Network), CAE (Convolutional Autoencoder) and SVM (Support Vector Machi...

    Koki Arima, Fusaomi Nagata, Tatsuki Shimizu, Kohei Miki in Artificial Life and Robotics (2022)

  5. No Access

    Article

    Development of a hyper CLS data-based robotic interface for automation of production-line tasks using an articulated robot arm

    Cutter location source (CLS) data, which includes goto statements that define position, orientation, and sequence of a cutting tool, are used to generate the final numerical control (NC) data for performing NC...

    Kohei Miki, Fusaomi Nagata, Kei Furuta, Koki Arima in Artificial Life and Robotics (2022)

  6. No Access

    Article

    Outcome of thoracoscopic anatomical sublobar resection under 3-dimensional computed tomography simulation

    Previous studies have reported the feasibility and efficacy of thoracoscopic anatomical sublobar resection under three-dimensional computed tomography (3DCT) simulation; however, its long-term outcomes have no...

    Akira Hamada, Hiroyuki Oizumi, Hirohisa Kato, Jun Suzuki in Surgical Endoscopy (2022)

  7. Article

    Open Access

    Low-reflective wire-grid polariser sheet in the visible region fabricated by a nanoprinting process

    For the construction of next-generation optical products and systems, the evolution of polariser sheets is a necessary requirement. To this end, a low-reflective wire-grid polariser (WGP) sheet for the visible...

    Ryohei Hokari, Kyohei Takakuwa, Hirohisa Kato, Akitaka Yamamoto in Scientific Reports (2021)

  8. No Access

    Article

    Evaluation of effects of perioperative oral care intervention on hospitalization stay and postoperative infection in patients undergoing lung cancer intervention

    This retrospective study investigated the effect of perioperative oral care intervention on postoperative outcomes in patients undergoing lung cancer resection, in terms of the length of postoperative hospital...

    Shigeo Ishikawa, Iku Yamamori, Satoshi Takamori in Supportive Care in Cancer (2021)

  9. No Access

    Article

    Venous phase contrast-enhanced computed tomography facilitates the detection of pulmonary venous tumor thrombus

    A 64-year-old woman, with a history of hepatocellular carcinoma, developed recurrent metastatic lung nodules after lung metastasectomy 10 years ago. Computed tomography (CT) revealed tumors in the right middle...

    Kenta Nakahashi, Hiroyuki Oizumi in General Thoracic and Cardiovascular Surgery (2018)

  10. Article

    Open Access

    Pedicled gastric seromuscular patch for one-stage closure of a bronchopleural fistula: a case report

    One-stage closure and fenestration are the available surgical options for bronchopleural fistula (BPF). One-stage closure may be applicable in cases with favorable infection control. Closing the bronchopleural...

    Jun Suzuki, Hiroyuki Oizumi, Hirohisa Kato, Akira Hamada in Surgical Case Reports (2018)

  11. No Access

    Article

    Identification and characterization of an autolysin gene, atlA, from Streptococcus criceti

    AtlA of Streptococcus mutans is a major autolysin and belongs to glycoside hydrolase family 25 with cellosyl of Streptomyces coelicolor. The autolysin gene (atlA) encoding AtlA was identified from S. criceti. Atl...

    Haruki Tamura, Arisa Yamada, Hirohisa Kato in Journal of Microbiology (2012)

  12. No Access

    Article

    A technique for retrieving a lung lobe in a bag from a small wound during thoracoscopic surgery

    We herein describe our technique for removing lung specimens during thoracoscopic resection. This technique allows extraction of intact lung specimens through a small incision. We believe that it is feasible, ...

    Hiroyuki Oizumi, Hirohisa Kato, Jun Suzuki, Ken Fukaya, Mitsuaki Sadahiro in Surgery Today (2011)

  13. No Access

    Article

    Intraoperative fluorescent imaging using indocyanine green for liver map** and cholangiography

    Preoperative imaging is widely used and extremely helpful in hepatobiliary surgery. However, transfer of preoperative data to a intraoperative situation is very difficult. Surgeons need intraoperative anatomic...

    Takeshi Aoki, Masahiko Murakami in Journal of Hepato-Biliary-Pancreatic Scien… (2010)

  14. No Access

    Article

    Natural course of the remnant hepatic functional reserve as estimated by technetium-99m-galactosyl human serum albumin scintigraphy after a hepatectomy

    Technetium-99m-galactosyl human serum albumin (GSA) scintigraphy provides an accurate estimation of the hepatic functional reserve but is not applied after a hepatectomy. The aim of this study was to elucidate...

    Yoshinori Shimizu, Takeshi Aoki, Tomokazu Kusano in Journal of Gastroenterology (2010)

  15. No Access

    Article

    Identification and Characterization of an Autolysin Gene, atlh, from Streptococcus downei

    An autolysin gene, atlh, was identified and sequenced from Streptococcus downei MFe28 using degenerate polymerase chain reaction (PCR) and the gene-walking method. Atlh protein encoded by atlh is composed of 879 ...

    Haruki Tamura, Arisa Yamada, Yasuo Yoshida, Hirohisa Kato in Current Microbiology (2009)

  16. No Access

    Article

    Image-Guided Liver Map** Using Fluorescence Navigation System with Indocyanine Green for Anatomical Hepatic Resection

    In malignant hepatic neoplasm, anatomic resection could improve survival and limit complications from hepatectomy. Our purpose was to develop an intraoperative method for identifying segment and subsegment of ...

    Takeshi Aoki, Daisuke Yasuda, Yoshinori Shimizu in World Journal of Surgery (2008)

  17. No Access

    Article

    Identification and Characterization of an Antigen I/II Homologous Gene, pah, from Streptococcus downei

    Antigen I/II of Streptococcus mutans is a cell surface protein involved in the adherence of cells to tooth surfaces. In this study, an antigen I/II homologous gene, pah, was identified and sequenced from Streptoc...

    Haruki Tamura, Arisa Yamada, Hirohisa Kato in Current Microbiology (2008)

  18. No Access

    Article

    Warfarin Therapy for Giant Aneurysm Prevents Myocardial Infarction in Kawasaki Disease

    We retrospectively investigated the effect of warfarin therapy in improving the clinical outcome of Kawasaki disease (KD) patients with giant coronary aneurysms (GAs). We followed 2350 KD patients from 1973 to...

    Yoko Sugahara, Masahiro Ishii, Hiromi Muta, Motofumi Iemura in Pediatric Cardiology (2008)

  19. No Access

    Chapter

    CD14-dependent and independent B-cell activations by stimulation with lipopolysaccharide from Porphyromonas gingivalis

    The functional role of CD14 and Toll-like receptor (TLR) in the Porphyromonas gingivalis lipopolysaccharide (Pg-LPS)-induced activation of B cells was assessed, using CD14-, TLR2- and TLR4-overexpressed murine B ...

    Yu Shimoyama, Yuko Ohara-Nemoto, Arisa Yamada in Interface Oral Health Science 2007 (2007)

  20. Article

    Quantitative Evaluation of Severity of Left Ventricular Myocardial Abnormalities in Kawasaki Disease: The Tissue Characterization Study

    Background The Cyclic variation (CV) of ultrasound integrated backscatter (IBS) from myocardium is a method of tissue characterization. The aims of this study are to evaluate severity of myocardial abnormalities ...

    Wakako Himeno, Masahiro Ishii, Daisaku Urabe, Jun Furui in Pediatric Research (2003)

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