We further contribute a novel hierarchical neural network for the perceptual parsing of 3-D surfaces, named PicassoNet++, by leveraging its modular operations. Regarding shape analysis and scene segmentation, highly competitive performance is attained on prominent 3-D benchmarks. The project Picasso's code, data, and trained machine learning models are downloadable from https://github.com/EnyaHermite/Picasso.
An adaptive neurodynamic method, tailored for multi-agent systems, is presented in this article for addressing nonsmooth distributed resource allocation problems (DRAPs) with affine-coupled equality constraints, coupled inequality constraints, and individually-held private information sets. To put it another way, agents' efforts center around discovering the optimal resource allocation strategy, while keeping team costs down, within the boundaries of more general restrictions. To address the multiple coupled constraints among those considered, auxiliary variables are introduced, enabling consensus within the Lagrange multiplier framework. In addition, an adaptive controller is devised, leveraging the penalty method, to satisfy the requirements of private set constraints, thereby avoiding the dissemination of global information. The Lyapunov stability theory is utilized to analyze the convergence of this neurodynamic approach. TAK-875 GPR agonist In order to diminish the communication demands placed upon systems, the suggested neurodynamic method is refined by the introduction of an event-activated mechanism. The convergence characteristic is further examined here, with the Zeno effect specifically excluded. Employing a virtual 5G system, a numerical example and a simplified problem are implemented to conclusively demonstrate the effectiveness of the proposed neurodynamic approaches.
The dual neural network (DNN) architecture of the k-winner-take-all (WTA) model is adept at pinpointing the k largest values from m input numbers. When the realization suffers from imperfections, such as non-ideal step functions and Gaussian input noise, the model may not produce the correct results. This report assesses the effect of model imperfections on its operational performance. Given the imperfections, the original DNN-k WTA dynamics are not conducive to effective influence analysis. Concerning this, this initial concise exposition develops an analogous model for portraying the model's dynamics within the context of imperfections. flexible intramedullary nail The equivalent model facilitates derivation of a sufficient condition under which the model's result is correct. Using the sufficient condition, we devise an efficient estimation process for the probability of the model producing the correct output. Additionally, in cases where inputs follow a uniform distribution, an explicit mathematical expression for the probability is obtained. As a final step, we broaden our analysis to address non-Gaussian input noise situations. The simulation results are instrumental in verifying the accuracy of our theoretical findings.
A noteworthy application of deep learning technology is in lightweight model design, where pruning effectively minimizes both model parameters and floating-point operations (FLOPs). Parameter pruning in existing neural networks often relies on iterative evaluations of parameter importance and designed metrics. From a network model topology standpoint, these methods were unexplored, potentially yielding effectiveness without efficiency, and demanding dataset-specific pruning strategies. Employing a regular graph pruning (RGP) method, this paper examines the graph structure inherent in neural networks to achieve a single-step pruning process. To begin, a regular graph is constructed, and its node degrees are adjusted to conform to the pre-defined pruning rate. We refine the edge configuration of the graph to reduce the average shortest path length (ASPL) and realize the ideal edge distribution by swapping edges. Finally, the derived graph is projected onto a neural network layout in order to enact pruning. Our experiments show a negative relationship between the graph's ASPL and the neural network's classification accuracy. Importantly, RGP maintains high precision, despite reducing parameters by more than 90% and significantly decreasing FLOPs (more than 90%). You can find the readily usable code at https://github.com/Holidays1999/Neural-Network-Pruning-through-its-RegularGraph-Structure.
Multiparty learning (MPL), a paradigm for collaborative learning, arises to address the challenge of preserving privacy. The system facilitates the creation of a shared knowledge model by individual devices, keeping sensitive data contained locally. In spite of the consistent expansion of user base, the disparity between the heterogeneity in data and equipment correspondingly widens, ultimately causing model heterogeneity. Concerning practical application, this article examines two issues: data heterogeneity and model heterogeneity. A novel personal MPL method, dubbed device-performance-driven heterogeneous MPL (HMPL), is presented. Considering the multifaceted nature of the data, we prioritize the challenge of data volumes varying considerably across different devices. A novel approach to the adaptive unification of diverse feature maps is presented, using a heterogeneous feature-map integration method. Recognizing the importance of customizing models for varying computing performances, we present a layer-wise model generation and aggregation strategy to manage the model heterogeneous problem. Models customized for the device's performance can be produced using the method. The aggregation operation involves adjusting the shared model parameters based on the principle that network layers with semantically matching structures are combined. The performance of our proposed framework was extensively evaluated on four commonly used datasets, demonstrating its superiority over the existing cutting-edge techniques.
Existing methodologies for table-based fact verification usually treat the linguistic evidence from claim-table subgraphs and the logical evidence from program-table subgraphs as distinct pieces of information. However, the two categories of evidence exhibit insufficient interrelation, making it challenging to discern consistent traits. Employing heterogeneous graph reasoning networks (H2GRN), this work proposes a novel method for capturing shared and consistent evidence by strengthening associations between linguistic and logical evidence, focusing on graph construction and reasoning methods. We construct a heuristic heterogeneous graph, not simply connecting subgraphs by identical node content which yields sparsity. This graph utilizes claim semantics as a heuristic for connecting the program-table subgraph and consequently increases the connectivity of the claim-table subgraph using the logical connections within programs as heuristics. Moreover, to adequately correlate linguistic and logical evidence, we design multiview reasoning networks. Local-view multihop knowledge reasoning (MKR) networks are developed to enable the current node's ability to associate with not only immediate neighbours but also with those located multiple hops away, thereby allowing the capture of more nuanced contextual information. MKR leverages heuristic claim-table and program-table subgraphs to acquire more contextually rich linguistic and logical evidence, respectively. At the same time, we engineer global-view graph dual-attention networks (DAN) which perform on the full heuristic heterogeneous graph, reinforcing the global significance of consistent evidence. The consistency fusion layer's function is to diminish discrepancies between three types of evidence, ultimately enabling the identification of consistent shared evidence in support of claims. The experiments conducted on TABFACT and FEVEROUS serve as evidence for H2GRN's effectiveness.
Recently, the significance of image segmentation for human-robot interaction has garnered substantial attention due to its vast potential. Networks aiming to identify the specified area must deeply understand the semantics of both the image and the accompanying text. To achieve cross-modality fusion, existing works frequently implement diverse mechanisms, including tiling, concatenation, and simple non-local operations. Still, the fundamental fusion method typically suffers from either a lack of fineness or is bound by the substantial computational load, which eventually results in an inadequate comprehension of the subject. To resolve the issue, this paper proposes a fine-grained semantic funneling infusion (FSFI) mechanism. From various encoding stages, the FSFI consistently constrains querying entities spatially, concurrently weaving the gathered language semantics into the visual pathway. Similarly, it breaks down the attributes extracted from different types of data into more specific components, enabling the combination of data within several lower-dimensional spaces. The fusion's advantage lies in its potential to efficiently incorporate a higher quantity of representative information along the channel dimension, giving it a marked superiority over single-dimensional high-space fusion. Another complication facing the task is the introduction of high-level semantic concepts, which tend to diminish the clarity of the referent's specific attributes. We aim to alleviate the problem with a novel, strategically designed multiscale attention-enhanced decoder (MAED). A multiscale and progressive detail enhancement operator (DeEh) is crafted and applied by us. Pancreatic infection Attentional cues derived from elevated feature levels direct lower-level features towards detailed areas. Our network's performance, when evaluated on the complex benchmarks, demonstrates a favorable comparison to the most advanced state-of-the-art systems.
Using a trained observation model, Bayesian policy reuse (BPR) infers task beliefs from observed signals to select a relevant source policy from an offline policy library, thereby constituting a general policy transfer framework. We introduce an improved BPR technique, focused on achieving more effective policy transfer in deep reinforcement learning (DRL), in this article. BPR algorithms generally rely on the episodic return, a signal that is limited in information and is not accessible until the final stage of the episode.