Search Results for author: Vivek Kumar

Found 23 papers, 8 papers with code

Predator Prey Scavenger Model using Holling's Functional Response of Type III and Physics-Informed Deep Neural Networks

no code implementations24 Dec 2024 Aneesh Panchal, Kirti Beniwal, Vivek Kumar

After the neural network, the hence-found parameters are fine-tuned using the Broyden-Fletcher-Goldfarb-Shanno algorithm.

Unlocking LLMs: Addressing Scarce Data and Bias Challenges in Mental Health

1 code implementation17 Dec 2024 Vivek Kumar, Eirini Ntoutsi, Pushpraj Singh Rajawat, Giacomo Medda, Diego Reforgiato Recupero

Large language models (LLMs) have shown promising capabilities in healthcare analysis but face several challenges like hallucinations, parroting, and bias manifestation.

Text Generation

Apple Intelligence Foundation Language Models

no code implementations29 Jul 2024 Tom Gunter, ZiRui Wang, Chong Wang, Ruoming Pang, Aonan Zhang, BoWen Zhang, Chen Chen, Chung-Cheng Chiu, David Qiu, Deepak Gopinath, Dian Ang Yap, Dong Yin, Feng Nan, Floris Weers, Guoli Yin, Haoshuo Huang, Jianyu Wang, Jiarui Lu, John Peebles, Ke Ye, Mark Lee, Nan Du, Qibin Chen, Quentin Keunebroek, Sam Wiseman, Syd Evans, Tao Lei, Vivek Rathod, Xiang Kong, Xianzhi Du, Yanghao Li, Yongqiang Wang, Yuan Gao, Zaid Ahmed, Zhaoyang Xu, Zhiyun Lu, Al Rashid, Albin Madappally Jose, Alec Doane, Alfredo Bencomo, Allison Vanderby, Andrew Hansen, Ankur Jain, Anupama Mann Anupama, Areeba Kamal, Bugu Wu, Carolina Brum, Charlie Maalouf, Chinguun Erdenebileg, Chris Dulhanty, Dominik Moritz, Doug Kang, Eduardo Jimenez, Evan Ladd, Fangping Shi, Felix Bai, Frank Chu, Fred Hohman, Hadas Kotek, Hannah Gillis Coleman, Jane Li, Jeffrey Bigham, Jeffery Cao, Jeff Lai, Jessica Cheung, Jiulong Shan, Joe Zhou, John Li, Jun Qin, Karanjeet Singh, Karla Vega, Kelvin Zou, Laura Heckman, Lauren Gardiner, Margit Bowler, Maria Cordell, Meng Cao, Nicole Hay, Nilesh Shahdadpuri, Otto Godwin, Pranay Dighe, Pushyami Rachapudi, Ramsey Tantawi, Roman Frigg, Sam Davarnia, Sanskruti Shah, Saptarshi Guha, Sasha Sirovica, Shen Ma, Shuang Ma, Simon Wang, Sulgi Kim, Suma Jayaram, Vaishaal Shankar, Varsha Paidi, Vivek Kumar, Xin Wang, Xin Zheng, Walker Cheng, Yael Shrager, Yang Ye, Yasu Tanaka, Yihao Guo, Yunsong Meng, Zhao Tang Luo, Zhi Ouyang, Alp Aygar, Alvin Wan, Andrew Walkingshaw, Andy Narayanan, Antonie Lin, Arsalan Farooq, Brent Ramerth, Colorado Reed, Chris Bartels, Chris Chaney, David Riazati, Eric Liang Yang, Erin Feldman, Gabriel Hochstrasser, Guillaume Seguin, Irina Belousova, Joris Pelemans, Karen Yang, Keivan Alizadeh Vahid, Liangliang Cao, Mahyar Najibi, Marco Zuliani, Max Horton, Minsik Cho, Nikhil Bhendawade, Patrick Dong, Piotr Maj, Pulkit Agrawal, Qi Shan, Qichen Fu, Regan Poston, Sam Xu, Shuangning Liu, Sushma Rao, Tashweena Heeramun, Thomas Merth, Uday Rayala, Victor Cui, Vivek Rangarajan Sridhar, Wencong Zhang, Wenqi Zhang, Wentao Wu, Xingyu Zhou, Xinwen Liu, Yang Zhao, Yin Xia, Zhile Ren, Zhongzheng Ren

We present foundation language models developed to power Apple Intelligence features, including a ~3 billion parameter model designed to run efficiently on devices and a large server-based language model designed for Private Cloud Compute.

Language Modeling Language Modelling

Ask the experts: sourcing high-quality datasets for nutritional counselling through Human-AI collaboration

no code implementations16 Jan 2024 Simone Balloccu, Ehud Reiter, Vivek Kumar, Diego Reforgiato Recupero, Daniele Riboni

We release HAI-coaching, the first expert-annotated nutrition counselling dataset containing ~2. 4K dietary struggles from crowd workers, and ~97K related supportive texts generated by ChatGPT.

Nutrition

VISU at WASSA 2023 Shared Task: Detecting Emotions in Reaction to News Stories Leveraging BERT and Stacked Embeddings

no code implementations27 Jul 2023 Vivek Kumar, Sushmita Singh, Prayag Tiwari

Our system, VISU, participated in the WASSA 2023 Shared Task (3) of Emotion Classification from essays written in reaction to news articles.

Emotion Classification Visu

SPAE: Semantic Pyramid AutoEncoder for Multimodal Generation with Frozen LLMs

no code implementations NeurIPS 2023 Lijun Yu, Yong Cheng, Zhiruo Wang, Vivek Kumar, Wolfgang Macherey, Yanping Huang, David A. Ross, Irfan Essa, Yonatan Bisk, Ming-Hsuan Yang, Kevin Murphy, Alexander G. Hauptmann, Lu Jiang

In this work, we introduce Semantic Pyramid AutoEncoder (SPAE) for enabling frozen LLMs to perform both understanding and generation tasks involving non-linguistic modalities such as images or videos.

In-Context Learning multimodal generation

Optimization of rule-based energy management strategies for hybrid vehicles using dynamic programming

no code implementations8 Jul 2022 Di Zhu, Ewan Pritchard, Sumanth Reddy Dadam, Vivek Kumar, Yang Xu

The popular vehicle dynamic model used in many energy management optimization studies does not capture the vehicle dynamics that the in-vehicle measurement system does.

energy management Management

Practice Makes a Solver Perfect: Data Augmentation for Math Word Problem Solvers

1 code implementation NAACL 2022 Vivek Kumar, Rishabh Maheshwary, Vikram Pudi

Extensive experiments on two benchmark datasets across three state-of-the-art MWP solvers show that proposed methods increase the generalization and robustness of existing solvers.

Data Augmentation Diversity +1

Anno-MI: A Dataset of Expert-Annotated Counselling Dialogues

1 code implementation IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) 2022 Zixiu Wu, Simone Balloccu, Vivek Kumar, Rim Helaoui, Ehud Reiter, Diego Reforgiato Recupero, Daniele Riboni

Research on natural language processing for counselling dialogue analysis has seen substantial development in recent years, but access to this area remains extremely limited due to the lack of publicly available expert-annotated therapy conversations.

Dialogue Generation Natural Language Understanding

Pneumonia Detection in Chest X-Rays using Neural Networks

no code implementations7 Apr 2022 Narayana Darapaneni, Ashish Ranjan, Dany Bright, Devendra Trivedi, Ketul Kumar, Vivek Kumar, Anwesh Reddy Paduri

The RSNA benchmark MAP score is 0. 25, but using the Mask RCNN model on a stratified sample of 3017 along with image augmentation gave a MAP score of 0. 15.

Image Augmentation Medical Diagnosis +3

Adversarial Examples for Evaluating Math Word Problem Solvers

1 code implementation Findings (EMNLP) 2021 Vivek Kumar, Rishabh Maheshwary, Vikram Pudi

Standard accuracy metrics have shown that Math Word Problem (MWP) solvers have achieved high performance on benchmark datasets.

Adversarial Robustness Math +2

Towards Detecting Need for Empathetic Response in Motivational Interviewing

no code implementations20 May 2021 Zixiu Wu, Rim Helaoui, Vivek Kumar, Diego Reforgiato Recupero, Daniele Riboni

Empathetic response from the therapist is key to the success of clinical psychotherapy, especially motivational interviewing.

Position

TF-IDF vs Word Embeddings for Morbidity Identification in Clinical Notes: An Initial Study

1 code implementation20 May 2021 Danilo Dessi, Rim Helaoui, Vivek Kumar, Diego Reforgiato Recupero, Daniele Riboni

Today, we are seeing an ever-increasing number of clinical notes that contain clinical results, images, and textual descriptions of patient's health state.

Deep Learning Word Embeddings

Action detection using a neural network elucidates the genetics of mouse grooming behavior

1 code implementation eLife 2021 Brian Q Geuther, Asaf Peer, Hao He, Gautam Sabnis, Vivek M Philip, Vivek Kumar

Automated detection of complex animal behaviors remains a challenging problem in neuroscience, particularly for behaviors that consist of disparate sequential motions.

Action Detection Diversity

An empirical study of Conv-TasNet

1 code implementation20 Feb 2020 Berkan Kadioglu, Michael Horgan, Xiaoyu Liu, Jordi Pons, Dan Darcy, Vivek Kumar

Furthermore, we offer insights into the generalization capabilities of Conv-TasNet and the potential value of improvements to the encoder/decoder.

Decoder

Image De-Noising For Salt and Pepper Noise by Introducing New Enhanced Filter

no code implementations19 Jan 2019 Vivek Kumar, Atul Samadhiya

In this paper a new method for the enhancement of grayscale images is introduced, when images are corrupted by fixed valued impulse noise (salt and pepper noise).

Comparative Performance Analysis of Image De-noising Techniques

no code implementations19 Jan 2019 Vivek Kumar, Atul Samadhiya

Objective of this paper is to present brief account on types of noises, its types and different noise removal algorithms.

Image Denoising

Voice Conversion with Conditional SampleRNN

no code implementations24 Aug 2018 Cong Zhou, Michael Horgan, Vivek Kumar, Cristina Vasco, Dan Darcy

Here we present a novel approach to conditioning the SampleRNN generative model for voice conversion (VC).

Voice Conversion

Edge Detection Based Shape Identification

no code implementations7 Apr 2016 Vivek Kumar, Sumit Pandey, Amrindra Pal, Sandeep Sharma

Index Terms: Edge Detection, Area Calculation, Shape Detection, Object Recognition

Edge Detection Object +1

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