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19 Nov

Unmasking Parkinson’s Disease with Smile: An AI-enabled Screening Framework

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[Submitted on 3 Aug 2023 (v1), last revised 18 Nov 2024 (this version, v2)] View a PDF of the paper titled Unmasking Parkinson's Disease with Smile: An AI-enabled Screening Framework, by Tariq Adnan and 8 other authors View PDF HTML (experimental) Abstract:We present an efficient and accessible PD screening method by leveraging AI-driven models enabled by the largest video dataset of facial expressions from 1,059 unique participants. This dataset includes 256 individuals with PD, 165 clinically diagnosed, and 91 self-reported. Participants used webcams to record themselves mimicking three facial expressions (smile, disgust, and surprise) from diverse sources encompassing their homes…

19 Nov

Any2Any: Incomplete Multimodal Retrieval with Conformal Prediction

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arXivLabs is a framework that allows collaborators to develop and share new arXiv features directly on our website. Both individuals and organizations that work with arXivLabs have embraced and accepted our values of openness, community, excellence, and user data privacy. arXiv is committed to these values and only works with partners that adhere to them. Have an idea for a project that will add value for arXiv's community? Learn more about arXivLabs. Source link lol

19 Nov

Python is Not Always the Best Choice: Embracing Multilingual Program of Thoughts

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[Submitted on 16 Feb 2024 (v1), last revised 18 Nov 2024 (this version, v4)] View a PDF of the paper titled Python is Not Always the Best Choice: Embracing Multilingual Program of Thoughts, by Xianzhen Luo and 7 other authors View PDF HTML (experimental) Abstract:Program of Thoughts (PoT) is an approach characterized by its executable intermediate steps, which ensure the accuracy of the logical calculations in the reasoning process. Currently, PoT primarily uses Python. However, relying solely on a single language may result in suboptimal solutions and overlook the potential benefits of other programming languages. In this paper, we conduct…

19 Nov

Zilliz Boasts 10X Performance Boost in Vector Database

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(Tee11/Shutterstock) Companies that are running into performance walls as they scale up their vector databases may want to check out the latest update to Zilliz Cloud, a hosted version of the Milvus database from Zilliz. The database maker says the update brings a 10x boost in throughput and latency, three new search algorithms that improve search accuracy from 70% to 95%, and a new AutoIndexer that eliminates the need to manually configure the database for peak performance on each data set. Interest in vector databases is booming at the moment, thanks in large part to the explosion in use of…

19 Nov

SoftLMs: Efficient Adaptive Low-Rank Approximation of Language Models using Soft-Thresholding Mechanism

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[Submitted on 15 Nov 2024] View a PDF of the paper titled SoftLMs: Efficient Adaptive Low-Rank Approximation of Language Models using Soft-Thresholding Mechanism, by Priyansh Bhatnagar and 2 other authors View PDF HTML (experimental) Abstract:Extensive efforts have been made to boost the performance in the domain of language models by introducing various attention-based transformers. However, the inclusion of linear layers with large dimensions contributes to significant computational and memory overheads. The escalating computational demands of these models necessitate the development of various compression techniques to ensure their deployment on devices, particularly in resource-constrained environments. In this paper, we propose a…

19 Nov

TESGNN: Temporal Equivariant Scene Graph Neural Networks for Efficient and Robust Multi-View 3D Scene Understanding

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arXiv:2411.10509v1 Announce Type: new Abstract: Scene graphs have proven to be highly effective for various scene understanding tasks due to their compact and explicit representation of relational information. However, current methods often overlook the critical importance of preserving symmetry when generating scene graphs from 3D point clouds, which can lead to reduced accuracy and robustness, particularly when dealing with noisy, multi-view data. This work, to the best of our knowledge, presents the first implementation of an Equivariant Scene Graph Neural Network (ESGNN) to generate semantic scene graphs from 3D point clouds, specifically for enhanced scene understanding. Furthermore, a significant limitation…

19 Nov

HJ-Ky-0.1: an Evaluation Dataset for Kyrgyz Word Embeddings

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arXiv:2411.10724v1 Announce Type: new Abstract: One of the key tasks in modern applied computational linguistics is constructing word vector representations (word embeddings), which are widely used to address natural language processing tasks such as sentiment analysis, information extraction, and more. To choose an appropriate method for generating these word embeddings, quality assessment techniques are often necessary. A standard approach involves calculating distances between vectors for words with expert-assessed 'similarity'. This work introduces the first 'silver standard' dataset for such tasks in the Kyrgyz language, alongside training corresponding models and validating the dataset's suitability through quality evaluation metrics. Source link lol

19 Nov

Evaluating Synthetic Activations composed of SAE Latents in GPT-2

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[Submitted on 23 Sep 2024 (v1), last revised 18 Nov 2024 (this version, v2)] View a PDF of the paper titled Evaluating Synthetic Activations composed of SAE Latents in GPT-2, by Giorgi Giglemiani and 4 other authors View PDF HTML (experimental) Abstract:Sparse Auto-Encoders (SAEs) are commonly employed in mechanistic interpretability to decompose the residual stream into monosemantic SAE latents. Recent work demonstrates that perturbing a model's activations at an early layer results in a step-function-like change in the model's final layer activations. Furthermore, the model's sensitivity to this perturbation differs between model-generated (real) activations and random activations. In our study,…

19 Nov

Decoding Visual Experience and Mapping Semantics through Whole-Brain Analysis Using fMRI Foundation Models

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[Submitted on 11 Nov 2024 (v1), last revised 17 Nov 2024 (this version, v2)] View a PDF of the paper titled Decoding Visual Experience and Mapping Semantics through Whole-Brain Analysis Using fMRI Foundation Models, by Yanchen Wang and 8 other authors View PDF HTML (experimental) Abstract:Neural decoding, the process of understanding how brain activity corresponds to different stimuli, has been a primary objective in cognitive sciences. Over the past three decades, advancements in functional Magnetic Resonance Imaging and machine learning have greatly improved our ability to map visual stimuli to brain activity, especially in the visual cortex. Concurrently, research has…

19 Nov

Structured Dialogue System for Mental Health: An LLM Chatbot Leveraging the PM+ Guidelines

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arXiv:2411.10681v1 Announce Type: new Abstract: The Structured Dialogue System, referred to as SuDoSys, is an innovative Large Language Model (LLM)-based chatbot designed to provide psychological counseling. SuDoSys leverages the World Health Organization (WHO)'s Problem Management Plus (PM+) guidelines to deliver stage-aware multi-turn dialogues. Existing methods for employing an LLM in multi-turn psychological counseling typically involve direct fine-tuning using generated dialogues, often neglecting the dynamic stage shifts of counseling sessions. Unlike previous approaches, SuDoSys considers the different stages of counseling and stores essential information throughout the counseling process, ensuring coherent and directed conversations. The system employs an LLM, a stage-aware instruction…