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Jinfeng Wei

dblp:08/7140 · DBLP profile ↗
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4ranked-venue papers
2as first author
3since 2021 · last 2024
—ORCID · conflict

Domains — the database's venue-derived domains; a paper can count in several

Artificial intelligence and machine learning · 2 · 1 first-author · 2 since 2021Graphics, computer vision, multimedia, augmented reality and games · 1 · 1 first-author · 1 since 2021Applied, interdisciplinary, general and emerging computing · 1

Expertise — from the expertise taxonomy: the topics of the expert's papers under the CCF categories. A weight counts papers with recency: 1 for a paper about the topic, 0.3 when the topic is its context, halved every five years.

Artificial intelligence
1 paper
Language models and text generation · 61% Vision and language · 30% Deep learning architectures and training · 9%
Network and information security
1 paper
Cryptographic protocols and secure computation · 50% Cryptographic primitives and cryptanalysis · 25% Hardware security and side channels · 25%

Topics — the 8 heaviest of 8, each with the papers that count most for it

TopicWeightPapersLastEvidence papers
Natural language and speech › Language models and text generation › decoding
decoding strategy
0.812024
DOPRA: Decoding Over-accumulation Penalization and Re-allocation in Specific Weighting Layer · ACM Multimedia 2024
Natural language and speech › Language models and text generation
hallucination mitigation
0.812024
DOPRA: Decoding Over-accumulation Penalization and Re-allocation in Specific Weighting Layer · ACM Multimedia 2024
Computer vision › Vision and language › vision-language model
multimodal large language model
0.812024
DOPRA: Decoding Over-accumulation Penalization and Re-allocation in Specific Weighting Layer · ACM Multimedia 2024
Machine learning › Deep learning architectures and training › attention mechanism
self-attention
0.212024
DOPRA: Decoding Over-accumulation Penalization and Re-allocation in Specific Weighting Layer · ACM Multimedia 2024
Cryptographic protocols and secure computation › secret sharing
leakage-resilient secret sharing
0.212015
Memory leakage-resilient secret sharing schemes · Sci. China Inf. Sci. 2015
Hardware security and side channels › memory security
memory leakage
0.212015
Memory leakage-resilient secret sharing schemes · Sci. China Inf. Sci. 2015
Cryptographic protocols and secure computation
secret sharing
0.212015
Memory leakage-resilient secret sharing schemes · Sci. China Inf. Sci. 2015
Cryptographic primitives and cryptanalysis › cryptographic implementation
side-channel resilience
0.212015
Memory leakage-resilient secret sharing schemes · Sci. China Inf. Sci. 2015

Methods — techniques the papers use, named apart from their topics

token reallocation · 0.8decoding-time intervention · 0.8attention penalty · 0.8secret sharing · 0.2
YearPublicationVenuePosition
2024 DOPRA: Decoding Over-accumulation Penalization and Re-allocation in Specific Weighting Layer
abstract
In this work, we introduce DOPRA, a novel approach designed to mitigate hallucinations in multi-modal large language models (MLLMs). Unlike existing solutions that typically involve costly supplementary training data or the integration of external knowledge sources, DOPRA innovatively addresses hallucinations by decoding specific weighted layer penalties and redistribution, offering an economical and effective solution without additional resources. DOPRA is grounded in unique insights into the intrinsic mechanisms controlling hallucinations within MLLMs, especially the models' tendency to over-rely on a subset of summary tokens in the self-attention matrix, neglecting critical image-related information. This phenomenon is particularly pronounced in certain strata. To counteract this over-reliance, DOPRA employs a strategy of weighted overlay penalties and redistribution in specific layers, such as the 12th layer, during the decoding process. Furthermore, DOPRA includes a retrospective allocation process that re-examines the sequence of generated tokens, allowing the algorithm to reallocate token selection to better align with the actual image content, thereby reducing the incidence of hallucinatory descriptions in auto-generated captions. Overall, DOPRA represents a significant step forward in improving the output quality of MLLMs by systematically reducing hallucinations through targeted adjustments during the decoding process.
Jinfeng Wei, Xiaofeng Zhang 0006
ACM Multimedia1
2022 Research on group behavior model based on neural network computing
abstract
Abstract Compute is a term coined from the etymology of French and Latin words computer and computare respectively, so is computing. This field of computing has grown enormously over the years. From the simple, traditional Turing machine invented in 1936 by Alan Turing to the current neural network (NN) computing. NNs, a field of artificial intelligence (AI) was exhilarated from the structure and inner workings of the brain. Just as the brain is, that is, an interconnection of neurons, so is the NN which is an interconnection of basic structures known as the perceptron. They do not differ much in structure. Their only difference is that one is artificial while the other is entirely biological. The hierarchical intricacies of the NN can be represented in three layers: the perceptron, artificial NN (ANN), and deep NN (DNN). With the influx of mental and behavioral disorders, basic surveillance, and the urgency to improve the mental health of people, studying the behavioral dynamics of people is requisite. CCTV and street cameras can only do so much, thus the need to employ the field of NN which makes use of supervised learning in training the models to perfect and automate surveillance. The results of this retrospective research indicate that the use of the NN model surpasses those of traditional methods in terms of efficiency and reliability.
Jinfeng Wei, Yuan Tian 0013, Jingui Geng
Comput. Intell.1
2022 Optimized design of oil well pump plunger using bionic structure of decision system
Mengji Chen, Zhengjie Lu, Jixin Sun, Jinfeng Wei
Soft Comput.5
2015 Memory leakage-resilient secret sharing schemes
Shuguang Dai, Jinfeng Wei, Fangguo Zhang
Sci. China Inf. Sci.2