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RISS 인기검색어
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- 저자 : Aljam, Hadeel (검색결과 3 건)
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Region-Based Image Retrieval Using Relevance Feature Weights
Ouiem Bchir,Mohamed Maher Ben Ismail,Hadeel Aljam 한국지능시스템학회 2018 INTERNATIONAL JOURNAL of FUZZY LOGIC and INTELLIGE Vol.18 No.1
We propose a new region-based CBIR (content-based image retrieval) system. One of the main objectives of our work is to reduce the semantic gap between the visual characteristics of the query and the high level semantic sought by the user. This is achieved by allowing the user to select specific regions and expressing his interest in a more accurate way. Moreover, the proposed approach overcomes the challenge of choosing suitable features to describe the image content. More specifically, relevance weights are automatically associated with each visual feature in order to better represent the visual content of the images. To evaluate these objectives, we compare the obtained results with those obtained using traditional CBIR systems.
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Region-Based Image Retrieval Using Relevance Feature Weights
Bchir, Ouiem,Ben Ismail, Mohamed Maher,Aljam, Hadeel Korean Institute of Intelligent Systems 2018 INTERNATIONAL JOURNAL of FUZZY LOGIC and INTELLIGE Vol.18 No.1
We propose a new region-based CBIR (content-based image retrieval) system. One of the main objectives of our work is to reduce the semantic gap between the visual characteristics of the query and the high level semantic sought by the user. This is achieved by allowing the user to select specific regions and expressing his interest in a more accurate way. Moreover, the proposed approach overcomes the challenge of choosing suitable features to describe the image content. More specifically, relevance weights are automatically associated with each visual feature in order to better represent the visual content of the images. To evaluate these objectives, we compare the obtained results with those obtained using traditional CBIR systems.
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Ziad Ali Audat,Khalid Ahmed Kheirallah,Bayan Faisal Ababneh,Hisham Zaidon Aljamal,Jomana Waleed Alsulaiman,Yaman Sameer Bataineh,Mohammad Moneer Algharibeh,Abdarrahman Ziad Audat 대한정형외과학회 2022 Clinics in Orthopedic Surgery Vol.14 No.2
Background: Scheuermann’s disease is the most common cause of hyperkyphosis of the thoracic spine during the adolescence period. It causes neck and lower back pain, restriction of lung expansion, traction of the spinal cord, increased vulnerability to vertebral fracture, and a hump. Patients with curves < 60° are treated conservatively, while surgery is used for patients with curves > 60°. The purpose of this prospective cohort study was to assess the quality of life and functional changes in conservatively or surgically treated Scheuermann’s disease patients with a curve size of 50°–65° in north Jordan. Methods: Sixty-three adolescent patients with Scheuermann’s kyphosis (aged between 10 and 18 years) were treated at our hospital between January 2014 and August 2018. All patients were investigated clinically, radiologically (Cobb’s angle), and functionally (Oswestry Disability Index [ODI], Scoliosis Research Society 22 revision [SRS-22r] questionnaire, and pulmonary function test [PFT]) preand post-treatment (final follow-up). Patients were randomly selected for treatment method (conservative versus surgical). Results: There were 31 patients (mean age, 15.48 ± 2.50 years) and 32 patients (mean age, 16.19 ± 1.51 years) treated conservatively and surgically, respectively. Mean ± standard deviation of ODI, SRS-22r, and Cobb’s angle of the surgical group improved from 16.8% ± 14.3%, 3.5 ± 0.5, and 58.75° ± 3.59°, respectively, pre-surgery to 13.4% ± 10.8%, 4.2 ± 0.5, and 41.53° ± 3.94°, respectively, post-surgery, while those of the conservative group became worse from 12.6% ± 13.4%, 3.9 ± 0.7, and 56.1° ± 3.3°, respectively, to 20.1% ± 13.6%, 3.5 ± 0.7, and 58.8° ± 5.8°, respectively. The surgical group showed better improvement in all scores than the conservative group (p < 0.05), as well as in PFT. Conclusions: Surgical treatment of Scheuermann’s kyphosis with curves of 50°–65° resulted in better QOL, Cobb’s angle, and PFT than conservative treatment. This was because of lower patient cooperation in the conservative management group, which made the curve less flexible for exercises and bracing.
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