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Article
Lower bounds on moving a ladder in two and three dimensions
It is shown that Ω(n 2) distinct moves may be necessary to move a line segment (a “ladder”) in the plane from an initial to a final position in the presence of polygonal obstacles of a total ofn vertices, and tha...
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Chapter and Conference Paper
Computing the kernel of a point set in a polygon
ElGindy posed the following problem: given a simple polygon P of n vertices and a set S of k points inside P, find the collection of points of P that can see all points of S. This collection of points is called t...
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Article
Volumetric Features for Video Event Detection
Real-world actions occur often in crowded, dynamic environments. This poses a difficult challenge for current approaches to video event detection because it is difficult to segment the actor from the backgroun...
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Article
Open AccessMarked disability and high use of nonsteroidal antiinflammatory drugs associated with knee osteoarthritis in rural China: a cross-sectional population-based survey
The burden of disability, analgesia, and health services use associated with knee pain and osteoarthritis (OA) in develo** countries is relatively unknown, despite a high proportion of these populations requ...
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Article
The relationship between species diversity and ecosystem function (productivity) of the late Middle Permian brachiopods community at the region of Hechuan, Chongqing, China
The relationship between species diversity and ecosystem function is a hot topic in ecology and environics. This paper investigates the evolution of diversity of the late Middle Permian brachiopods community i...
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Article
Acute Clenbuterol Induces Hypotension, Atrioventricular Block and Cardiac Asystole in the Rabbit
Clenbuterol is a long-lasting β-adrenoceptor (β-AR) agonist and was once medicated as a bronchial dilatator, and is also used by body-building enthusiasts and athletes and in livestock breeding because of its ...
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Article
Open AccessThe role of MCP-1-CCR2 ligand-receptor axis in chondrocyte degradation and disease progress in knee osteoarthritis
Osteoarthritis (OA) is a common arthritic disease and multifactorial whole-joint disease. Interactions of chemokines and OA is inadequately documented.
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Chapter and Conference Paper
Location Privacy Preserving Scheme Based on Attribute Encryption
There are only two modes, “public” or “private” to manage the user’s location information in the social network. However, in some cases, users need to inform some people of their exact location, and the other ...
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Article
Open AccessOsteoarthritis and all-cause mortality in worldwide populations: grading the evidence from a meta-analysis
The objective of this study is to investigate the association between osteoarthritis (OA) and all-cause mortality in worldwide populations and to develop recommendations according to GRADE evidence levels. Lit...
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Article
Open AccessIntra-articular Hyaluronic Acid in Treating Knee Osteoarthritis: a PRISMA-Compliant Systematic Review of Overlap** Meta-analysis
Numerous meta-analyses have been conducted aiming to compare hyaluronic acid (HA) and placebo in treating knee osteoarthritis (OA). Nevertheless, the conclusions of these meta-analyses are not in consistency. ...
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Chapter and Conference Paper
Separable Multiple Bits Reversible Data Hiding in Encrypted Domain
This paper proposes a novel scheme of separable multiple bits reversible data hiding in encrypted domain based on LWE (Learning with Errors). Multi-band data could be embedded by recoding the redundancy of cip...
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Article
Open AccessKnee Symptomatic Osteoarthritis, Walking Disability, NSAIDs Use and All-cause Mortality: Population-based Wuchuan Osteoarthritis Study
Knee symptomatic osteoarthritis (SxOA) was associated with all-cause mortality. Walking disability and NSAIDs use have been postulated as potential mechanisms linking knee SxOA to all-cause mortality. Data wer...
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Article
The effects of tourniquet use in total knee arthroplasty: a randomized, controlled trial
Tourniquets are still widely used in total knee arthroplasty (TKA), although they may be associated with several adverse effects. An observer-blinded, randomized, controlled trial was performed to evaluate the...
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Article
Plasmon-tunable Au@Ag core-shell spiky nanoparticles for surface-enhanced Raman scattering
A facile synthetic approach has been developed to prepare uniform and size-tunable spiky Au@Ag core-shell nanoparticles (NPs) to tailor the localized surface plasmon resonance (LSPR) properties. The gradual as...
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Article
Generative steganography with Kerckhoffs’ principle
The distortion in steganography that usually comes from the modification or recoding of the cover image during the embedding process. And it is the embedding distortion that leaves the steganalyzer with possib...
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Chapter and Conference Paper
Reversible Data Hiding Algorithm in Homomorphic Encrypted Domain Based on EC-EG
This paper proposes a reversible data hiding algorithm in homomorphic encrypted domain based on EC-EG. First, original image is segmented. The square grid pixel group randomly selected by image owner has one r...
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Chapter and Conference Paper
A Lossless Data Hiding Scheme in Public Key Encrypted Domain Based on Homomorphic Key-Switching
This paper proposes a lossless data hiding in encrypted domain (RDH-ED) scheme. To realize the data extraction directly from the encrypted domain without the private key, a key-switching based least-significan...
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Chapter and Conference Paper
PIoU Loss: Towards Accurate Oriented Object Detection in Complex Environments
Object detection using an oriented bounding box (OBB) can better target rotated objects by reducing the overlap with background areas. Existing OBB approaches are mostly built on horizontal bounding box detect...
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Article
Next-generation sequencing-guided molecular-targeted therapy and immunotherapy for biliary tract cancers
Chemotherapy is a standard regimen for advanced or relapsed biliary tract cancer (BTC) with a 5-year overall survival (OS) rate of approximately 5% and a median OS of less than a year. Targeted therapies and i...
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Article
Open AccessThe accelerometer-based navigation system demonstrated superior radiological outcomes in restoring mechanical alignment and component sagittal positioning in total knee arthroplasty
This study aimed to determine whether the accelerometer-based navigation (ABN) could improve the accuracy of restoring mechanical axis (MA), component positioning, and clinical outcomes compared to conventiona...
