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The application of contrastive learning (CL) to collaborative filtering (CF) in recommender systems has achieved remarkable success. CL-based recommendation models mainly focus on creating multiple augmented views by employing different graph augmentation ...

Delineating lesion boundaries play a central role in diagnosing thyroid and breast cancers, making related therapy plans and evaluating therapeutic effects. However, it is often time-consuming and error-prone with limited reproducibility to ...

• A novel densely convolutional network is used to design an automatic segmentation model for nodular lesions from ultrasound images.
• A pre-trained strategy and a multi-view strategy are used for improving the performance of our ...

Model-based systems engineering (MBSE) has been adopted as a mainstream design methodology for complex mechatronic systems. According to this paradigm, structured models, typically represented in SysML are used to describe the system of interest ...

Parametric optimization is an important product design technique, especially in the context of the modern parametric feature-based CAD paradigm. Realizing its full potential, however, requires a closed loop between CAD and CAE (i.e., seamless CAD/...

• A new model representation scheme that can support a closed loop among design, simulation and optimization.
• An effective method to capture and maintain design and simulation intents, which yields automation in CAD/CAE integration.
• ...

Three-dimensional (3D) kidney parsing on computed tomography angiography (CTA) images has significant therapeutic implications. 3D visual model of kidney, renal tumor, renal vein and renal artery helps clinicians make accurate preoperative ...

The self-supporting requirement is very necessary in additive manufacturing so that the printed structure will not collapse during fabrication. Imposing the self-supporting constraint on topology optimization allows for designing a performance ...

With the rise of group decision-making and the increasingly complex decision-making environment, preference modeling for decision makers has become more and more important, and many preference modeling methods have emerged. Based on the fuzzy theory, ...

For a long time, the embedded industry has been constrained by CPU performance, ROM and RAM capacity and other factors, so the software scale cannot be built too large. The new embedded designers often overturn the original version because they ...

As a simplified representation of a geometric model, the medial axis (MA) has been used in a wide range of engineering applications. While obtaining the true MA of a complicated CAD model is known to be a difficult task, current research is ...

Comprehensive simulation should be carried out before satellite communication system is physically deployed. Its complexity and rapid technical development require careful design to make it robust for integration and scalable to future changes. In this ...

Job scheduling in HPC systems by default allocate adjacent compute nodes for jobs for lower communication overhead. However, it is no longer applicable to data-intensive jobs running on systems with I/O forwarding layer, where each I/O node performs I/O ...

Mid-surface abstraction is an effective simplification method for thin-wall models. A mid-surface model after abstraction can reduce the complexity of finite element analysis greatly. There are some methods for mid-surface abstraction. However, they are ...

A new profile named is proposed to implement the selection of optimization method based on SysML.A pattern with mechatronic semantics is formalized for supporting the retrieval of feasible optimization methods.A general automated selection process of ...

A hierarchical semantic structure is designed for mid-surface model abstraction.An efficient rib recognition method is proposed by using face group pairs.A hybrid method is proposed to handle thin-walled model with complex geometry.An efficient reuse ...

Simulation-driven design has become an effective methodology for improving the design process in terms of both time and cost. The high-fidelity and efficient visualisation of multidisciplinary simulation results of complex products is crucial for ...

An intermediate model is designed for multidisciplinary simulation data integration.The hybrid mesh size field controls the generation of intermediate mesh model.Several strategies are proposed to improve the data transmission efficiency.A content-based ...

An efficient approach to generating MA in parallel by multiple CPUs is proposed.An adaptive division method is proposed to maximize the parallelism degree.Inter-dilation is proposed to ensure the correctness of final MA. Computational efficiency is ...

The medial axis (MA) is a simplified representation of complicated models which is widely used in current research. However, the efficient generation of the MA for complicated solid models continues to pose a challenge. In this study, a constructive ...

Multidisciplinary simulations are becoming imperative for the design of complex products. However, it is not an easy task for designers to quickly view the simulation results. The reason is that the simulation data are usually too huge to be transferred ...

Model-based systems engineering (MBSE) is becoming a promising solution for the design of mechatronic systems with the increasing of complexity. To facilitate system design engineers to express their various behavioral requirements, a uniform behavior ...