Ujjwal Bhattacharya

ORCID

Publication Activity (10 Years)

Years Active: 1995-2024
Publications (10 Years): 43

Top Venues

Publications

Arindam Das, Sudarshan Paul, Niko Scholz, Akhilesh Kumar Malviya, Ganesh Sistu, Ujjwal Bhattacharya, Ciarán Eising
Fisheye Camera and Ultrasonic Sensor Fusion For Near-Field Obstacle Perception in Bird's-Eye-View. CoRR (2024)
Debapriya Chakraborty, Sarbani Palit, Ujjwal Bhattacharya
Deep Classification of Mammographic Breast Density: DCBARNet. IVCNZ (2023)
Arindam Das, Sudip Das, Ganesh Sistu, Jonathan Horgan, Ujjwal Bhattacharya, Edward Jones, Martin Glavin, Ciarán Eising
Revisiting Modality Imbalance In Multimodal Pedestrian Detection. CoRR (2023)
Chandan Biswas, Debasis Ganguly, Dwaipayan Roy, Ujjwal Bhattacharya
Weakly supervised deep metric learning on discrete metric spaces for privacy-preserved clustering. Inf. Process. Manag. 60 (1) (2023)
Subhrajyoti Dasgupta, Arindam Das, Senthil Kumar Yogamani, Sudip Das, Ciarán Eising, Andrei Bursuc, Ujjwal Bhattacharya
UnShadowNet: Illumination Critic Guided Contrastive Learning for Shadow Removal. IEEE Access 11 (2023)
Arindam Das, Sudip Das, Ganesh Sistu, Jonathan Horgan, Ujjwal Bhattacharya, Edward Jones, Martin Glavin, Ciarán Eising
Revisiting Modality Imbalance In Multimodal Pedestrian Detection. ICIP (2023)
Somrita Bakshi, Sarbani Palit, Ujjwal Bhattacharya, Kimia Gholami, Nushrat Hussain, Debasis Mitra
A Novel CNN-Based Approach for Distinguishing Between COVID and Common Pneumonia. IVCNZ (2022)
Arindam Das, Sudip Das, Ganesh Sistu, Jonathan Horgan, Ujjwal Bhattacharya, Edward Jones, Martin Glavin, Ciarán Eising
Deep Multi-Task Networks For Occluded Pedestrian Pose Estimation. CoRR (2022)
Ayan Chaudhury, Partha Sarathi Mukherjee, Sudip Das, Chandan Biswas, Ujjwal Bhattacharya
A Deep OCR for Degraded Bangla Documents. ACM Trans. Asian Low Resour. Lang. Inf. Process. 21 (5) (2022)
Kinjal Dasgupta, Arindam Das, Sudip Das, Ujjwal Bhattacharya, Senthil Kumar Yogamani
Spatio-Contextual Deep Network-Based Multimodal Pedestrian Detection for Autonomous Driving. IEEE Trans. Intell. Transp. Syst. 23 (9) (2022)
Ahana Kundu, Ujjwal Bhattacharya
Low Resource Degraded Quality Document Image Binarization - Domain Adaptation is the Way. ICVGIP (2022)
Subhrajyoti Dasgupta, Arindam Das, Sudip Das, Andrei Bursuc, Ujjwal Bhattacharya, Senthil Kumar Yogamani
UnShadowNet: Illumination Critic Guided Contrastive Learning For Shadow Removal. CoRR (2022)
Chandan Biswas, Debasis Ganguly, Partha Sarathi Mukherjee, Ujjwal Bhattacharya, Yufang Hou
Privacy-aware supervised classification: An informative subspace based multi-objective approach. Pattern Recognit. 122 (2022)
Chandan Biswas, Debasis Ganguly, Ujjwal Bhattacharya
Approximate Nearest Neighbour Search on Privacy-aware Encoding of User Locations to Identify Susceptible Infections in Simulated Epidemics. FIRE (2021)
Sanjoy Chowdhury, Aditya Patra, Subhrajyoti Dasgupta, Ujjwal Bhattacharya
AudViSum: Self-Supervised Deep Reinforcement Learning for Diverse Audio-Visual Summary Generation. BMVC (2021)
Kinjal Dasgupta, Arindam Das, Sudip Das, Ujjwal Bhattacharya, Senthil Kumar Yogamani
Spatio-Contextual Deep Network Based Multimodal Pedestrian Detection For Autonomous Driving. CoRR (2021)
Sanjoy Chowdhury, Subhrajyoti Dasgupta, Sudip Das, Ujjwal Bhattacharya
Listen To The Pixels. ICIP (2021)
Sudip Das, Perla Sai Raj Kishore, Ujjwal Bhattacharya
An End-To-End Framework For Pose Estimation Of Occluded Pedestrians. ICIP (2020)
Kinjal Dasgupta, Sudip Das, Ujjwal Bhattacharya
Scale-Invariant Multi-Oriented Text Detection in Wild Scene Images. CoRR (2020)
Kinjal Dasgupta, Sudip Das, Ujjwal Bhattacharya
Stratified Multi-Task Learning for Robust Spotting of Scene Texts. ICPR (2020)
Sudip Das, Perla Sai Raj Kishore, Ujjwal Bhattacharya
An End-to-End Framework for Unsupervised Pose Estimation of Occluded Pedestrians. CoRR (2020)
Subhrajyoti Dasgupta, Sudip Das, Ujjwal Bhattacharya
CardioGAN: An Attention-based Generative Adversarial Network for Generation of Electrocardiograms. ICPR (2020)
Kinjal Dasgupta, Sudip Das, Ujjwal Bhattacharya
Scale-Invariant Multi-Oriented Text Detection in Wild Scene Image. ICIP (2020)
Jaybrata Chakraborty, Bappaditya Chakraborty, Ujjwal Bhattacharya
DenseRecognition of Spoken Languages. ICPR (2020)
Chandan Biswas, Debasis Ganguly, Dwaipayan Roy, Ujjwal Bhattacharya
Privacy Preserving Approximate K-means Clustering. CIKM (2019)
Sudip Das, Partha Sarathi Mukherjee, Ujjwal Bhattacharya
Seek and You Will Find: A New Optimized Framework for Efficient Detection of Pedestrian. CoRR (2019)
Perla Sai Raj Kishore, Sudip Das, Partha Sarathi Mukherjee, Ujjwal Bhattacharya
ClueNet : A Deep Framework for Occluded Pedestrian Pose Estimation. BMVC (2019)
Chandan Biswas, Partha Sarathi Mukherjee, Koyel Ghosh, Ujjwal Bhattacharya, Swapan K. Parui
A Hybrid Deep Architecture for Robust Recognition of Text Lines of Degraded Printed Documents. ICPR (2018)
Oendrila Samanta, Anandarup Roy, Swapan K. Parui, Ujjwal Bhattacharya
An HMM framework based on spherical-linear features for online cursive handwriting recognition. Inf. Sci. 441 (2018)
Arindam Das, Saikat Roy, Ujjwal Bhattacharya, Swapan K. Parui
Document Image Classification with Intra-Domain Transfer Learning and Stacked Generalization of Deep Convolutional Neural Networks. ICPR (2018)
Partha Sarathi Mukherjee, Ujjwal Bhattacharya, Swapan Kumar Parui
An Efficient Feature Vector for Segmentation-Free Recognition of Online Cursive Handwriting Based on a Hybrid Deep Neural Network. DAS (2018)
Arindam Das, Saikat Roy, Ujjwal Bhattacharya
Document Image Classification with Intra-Domain Transfer Learning and Stacked Generalization of Deep Convolutional Neural Networks. CoRR (2018)
Bappaditya Chakraborty, Bikash Shaw, Jayanta Aich, Ujjwal Bhattacharya, Swapan Kumar Parui
Does Deeper Network Lead to Better Accuracy: A Case Study on Handwritten Devanagari Characters. DAS (2018)
Sudip Das, Partha Sarathi Mukherjee, Ujjwal Bhattacharya
Seek and You Will Find: A New Optimized Framework for Efficient Detection of Pedestrian. ICVGIP (2018)
Partha Sarathi Mukherjee, Bappaditya Chakraborty, Ujjwal Bhattacharya, Swapan Kumar Parui
A Hybrid Model for End to End Online Handwriting Recognition. ICDAR (2017)
Jino P. J, Kannan Balakrishnan, Ujjwal Bhattacharya
Offline Handwritten Malayalam Word Recognition Using a Deep Architecture. SocProS (1) (2017)
Ujjwal Bhattacharya, Réjean Plamondon, Souvik Dutta Chowdhury, Pankaj Goyal, Swapan K. Parui
A sigma-lognormal model-based approach to generating large synthetic online handwriting sample databases. Int. J. Document Anal. Recognit. 20 (3) (2017)
Bappaditya Chakraborty, Partha Sarathi Mukherjee, Ujjwal Bhattacharya
Bangla online handwriting recognition using recurrent neural network architecture. ICVGIP (2016)
Shangxuan Tian, Ujjwal Bhattacharya, Shijian Lu, Bolan Su, Qingqing Wang, Xiaohua Wei, Yue Lu, Chew Lim Tan
Multilingual scene character recognition with co-occurrence of histogram of oriented gradients. Pattern Recognit. 51 (2016)
Saikat Roy, Arindam Das, Ujjwal Bhattacharya
Generalized stacking of layerwise-trained Deep Convolutional Neural Networks for document image classification. ICPR (2016)
Amartya Sanyal, Ujjwal Bhattacharya, Swapan K. Parui
A Hybrid Deep Architecture for Face Recognition in Real-Life Scenario. ICVGIP Workshops (2016)
Soumik Bhattacharya, Durjoy Sen Maitra, Ujjwal Bhattacharya, Swapan K. Parui
An End-to-End System for Bangla Online Handwriting Recognition. ICFHR (2016)
Barun Biswas, Ujjwal Bhattacharya, Bidyut B. Chaudhuri
A Robust Scheme for Extraction of Text Lines from Handwritten Documents. CVIP (2) (2016)
Oendrila Samanta, Anandarup Roy, Ujjwal Bhattacharya, Swapan K. Parui
Script independent online handwriting recognition. ICDAR (2015)
Koustav Mullick, Sudipto Banerjee, Ujjwal Bhattacharya
An efficient line segmentation approach for handwritten Bangla document image. ICAPR (2015)
Bikash Shaw, Ujjwal Bhattacharya, Swapan Kumar Parui
Offline handwritten Devanagari word recognition: Information fusion at feature and classifier levels. ACPR (2015)
Saprativa Bhattacharjee, Anirban Das, Ujjwal Bhattacharya, Swapan K. Parui, Sudipta Roy
Sentiment analysis using cosine similarity measure. ReTIS (2015)
Durjoy Sen Maitra, Ujjwal Bhattacharya, Swapan K. Parui
CNN based common approach to handwritten character recognition of multiple scripts. ICDAR (2015)
Purnendu Banerjee, Ujjwal Bhattacharya, Bidyut B. Chaudhuri
Automatic Detection of Handwritten Texts from Video Frames of Lectures. ICFHR (2014)
A. Srimany, S. Dutta Chowdhury, Ujjwal Bhattacharya, Swapan K. Parui
Holistic Recognition of Online Handwritten Words Based on an Ensemble of SVM Classifiers. Document Analysis Systems (2014)
Barun Biswas, Ujjwal Bhattacharya, Bidyut B. Chaudhuri
A Global-to-Local Approach to Binarization of Degraded Document Images. ICPR (2014)
Bikash Shaw, Ujjwal Bhattacharya, Swapan K. Parui
Combination of Features for Efficient Recognition of Offline Handwritten Devanagari Words. ICFHR (2014)
D. Dutta, Aruni Roy Chowdhury, Ujjwal Bhattacharya, Swapan K. Parui
Stroke Level User-Adaptation for Stroke Order Free Online Handwriting Recognition. ICFHR (2014)
S. Baral, Soumik Bhattacharya, Anirban Chakraborty, Ujjwal Bhattacharya, Swapan K. Parui
A Machine Learning Approach to Detection of Core Region of Online Handwritten Bangla Word Samples. ICFHR (2014)
Oendrila Samanta, Ujjwal Bhattacharya, Swapan K. Parui
Smoothing of HMM parameters for efficient recognition of online handwriting. Pattern Recognit. 47 (11) (2014)
S. Dutta Chowdhury, Ujjwal Bhattacharya, Swapan K. Parui
Online Handwriting Recognition Using Levenshtein Distance Metric. ICDAR (2013)
Aishwarya Visvanathan, Tanushyam Chattopadhyay, Ujjwal Bhattacharya
Enhancement of camera captured text images with specular reflection. NCVPRIPG (2013)
Leonard Rothacker, Gernot A. Fink, P. Banerjee, Ujjwal Bhattacharya, B. B. Chaudhuri
Bag-of-features HMMs for segmentation-free Bangla word spotting. MOCR@ICDAR (2013)
Tarun Jindal, Ujjwal Bhattacharya
Recognition of offline handwritten numerals using an ensemble of MLPs combined by Adaboost. MOCR@ICDAR (2013)
Sudipto Banerjee, Koustav Mullick, Ujjwal Bhattacharya
A Robust Approach to Extraction of Texts from Camera Captured Images. CBDAR (2013)
Arindam Das, Ujjwal Bhattacharya
ISIgraphy: A tool for online handwriting sample database generation. NCVPRIPG (2013)
Souvik Dutta Chowdhury, Ujjwal Bhattacharya, Swapan K. Parui
Levenshtein distance metric based holistic handwritten word recognition. MOCR@ICDAR (2013)
D. Dutta, Aruni Roy Chowdhury, Ujjwal Bhattacharya, Swapan K. Parui
Lightweight user-adaptive handwriting recognizer for resource constrained handheld devices. DAR@ICVGIP (2012)
Aruni Roy Chowdhury, Ujjwal Bhattacharya, Swapan K. Parui
Scene text detection using sparse stroke information and MLP. ICPR (2012)
Chandan Biswas, Ujjwal Bhattacharya, Swapan K. Parui
HMM Based Online Handwritten Bangla Character Recognition Using Dirichlet Distributions. ICFHR (2012)
Prakriti Banik, Ujjwal Bhattacharya, Swapan K. Parui
Segmentation of Bangla words in scene images. ICVGIP (2012)
Tanushyam Chattopadhyay, Ujjwal Bhattacharya, Bidyut B. Chaudhuri
On the Enhancement and Binarization of Mobile Captured Vehicle Identification Number for an Embedded Solution. Document Analysis Systems (2012)
D. Dutta, Aruni Roy Chowdhury, Ujjwal Bhattacharya, Swapan K. Parui
Building a Personal Handwriting Recognizer on an Android Device. ICFHR (2012)
Ujjwal Bhattacharya, Malayappan Shridhar, Swapan K. Parui, P. K. Sen, B. B. Chaudhuri
Offline recognition of handwritten Bangla characters: an efficient two-stage approach. Pattern Anal. Appl. 15 (4) (2012)
Ujjwal Bhattacharya, R. Banerjee, S. Baral, R. De, Swapan K. Parui
A Semi-automatic Annotation Scheme for Bangla Online Mixed Cursive Handwriting Samples. ICFHR (2012)
Aruni Roy Chowdhury, Ujjwal Bhattacharya, Swapan K. Parui
Text Detection of Two Major Indian Scripts in Natural Scene Images. CBDAR (2011)
T. Mondal, Ujjwal Bhattacharya, Swapan K. Parui, K. Das, D. Mandalapu
On-line Handwriting Recognition of Indian Scripts - The First Benchmark. ICFHR (2010)
Gernot A. Fink, Szilárd Vajda, Ujjwal Bhattacharya, Swapan K. Parui, Bidyut B. Chaudhuri
Online Bangla Word Recognition Using Sub-Stroke Level Features and Hidden Markov Models. ICFHR (2010)
Ujjwal Bhattacharya, Swapan K. Parui, Srikanta Mondal
Devanagari and Bangla Text Extraction from Natural Scene Images. ICDAR (2009)
Ujjwal Bhattacharya, Bidyut Baran Chaudhuri
Handwritten Numeral Databases of Indian Scripts and Multistage Recognition of Mixed Numerals. IEEE Trans. Pattern Anal. Mach. Intell. 31 (3) (2009)
T. Mondal, Ujjwal Bhattacharya, Swapan K. Parui, K. Das, V. Roy
Database generation and recognition of online handwritten Bangla characters. MOCR@ICDAR (2009)
Pritimoy Sanyal, Ujjwal Bhattacharya, Samir Kumar Bandyopadhyay
Analysis of SEM Images of Stomata of Different Tomato Cultivars Based on Morphological Features. Asia International Conference on Modelling and Simulation (2008)
Swapan K. Parui, Koushik Guin, Ujjwal Bhattacharya, B. B. Chaudhuri
Online handwritten Bangla character recognition using HMM. ICPR (2008)
Pritimoy Sanyal, Ujjwal Bhattacharya, Swapan K. Parui, Samir Kumar Bandyopadhyay, Sandip C. Patel
Color Texture Analysis of Rice Leaves Diagnosing Deficiency in the Balance of Mineral Levels towards Improvement of Crop Productivity. ICIT (2007)
Ujjwal Bhattacharya, B. K. Gupta, Swapan K. Parui
Direction Code Based Features for Recognition of Online Handwritten Characters of Bangla. ICDAR (2007)
Ujjwal Bhattacharya, S. K. Ghosh, Swapan K. Parui
A Two Stage Recognition Scheme for Handwritten Tamil Characters. ICDAR (2007)
Ujjwal Bhattacharya, Malayappan Shridhar, Swapan K. Parui
On Recognition of Handwritten Bangla Characters. ICVGIP (2006)
Utpal Garain, Alok Kumar Datta, Ujjwal Bhattacharya, Swapan K. Parui
Summarization of JBIG2 Compressed Indian Language Textual Images. ICPR (3) (2006)
Ujjwal Bhattacharya, Bikash Shaw, Swapan K. Parui
Analysis of Error Sources Towards Improved Form Processing. ICIT (2006)
Tapan Kumar Bhowmik, Swapan K. Parui, Ujjwal Bhattacharya, Bikash Shaw
An HMM Based Recognition Scheme for Handwritten Oriya Numerals. ICIT (2006)
Ujjwal Bhattacharya, Swapan K. Parui, Malayappan Shridhar, Fumitaka Kimura
Two-stage Recognition of Handwritten Bangla Alphanumeric Characters using Neural Classifiers. IICAI (2005)
Ujjwal Bhattacharya, B. B. Chaudhuri
Databases for Research on Recognition of Handwritten Characters of Indian Scripts. ICDAR (2005)
Ujjwal Bhattacharya, B. B. Chaudhuri
Fusion of Combination Rules of an Ensemble of MLP Classifiers for Improved Recognition Accuracy of Handprinted Bangla Numerals. ICDAR (2005)
Ujjwal Bhattacharya, B. B. Chaudhuri
Processing Of Struck-out Handwriting. IICAI (2005)
Tapan Kumar Bhowmik, Ujjwal Bhattacharya, Swapan K. Parui
Recognition of Bangla Handwritten Characters Using an MLP Classifier Based on Stroke Features. ICONIP (2004)
Ujjwal Bhattacharya, Szilárd Vajda, Anirban Mallick, B. B. Chaudhuri, Abdel Belaïd
On the choice of training set, architecture and combination rule of multiple MLP classifiers for multiresolution recognition of handwritten characters. IWFHR (2004)
Ujjwal Bhattacharya, B. B. Chaudhuri
A Majority Voting Scheme for Multiresolution Recognition of Handprinted Numerals. ICDAR (2003)
Ujjwal Bhattacharya, Tanmoy K. Das, Amitava Datta, Swapan K. Parui, B. B. Chaudhuri
A Hybrid Scheme for Handprinted Numeral Recognition Based on a Self-Organizing Network and MLP Classifiers. Int. J. Pattern Recognit. Artif. Intell. 16 (7) (2002)
Ujjwal Bhattacharya, Tanmoy K. Das, Amitava Datta, Swapan K. Parui, B. B. Chaudhuri
Recognition of Handprinted Bangla Numerals Using Neural Network Models. AFSS (2002)
Ujjwal Bhattacharya, Tanmoy K. Das, B. B. Chaudhuri
A Cascaded Scheme for Recognition of Handprinted Numerals. ICVGIP (2002)
B. B. Chaudhuri, Ujjwal Bhattacharya
Efficient training and improved performance of multilayer perceptron in pattern classification. Neurocomputing 34 (1-4) (2000)
Ujjwal Bhattacharya, Amitava Datta, Swapan K. Parui, B. B. Chaudhuri, Volkmar Liebscher, Karsten Rodenacker
Shape Extraction of Volumetric Images of Filamentous Bacteria Using Topology Adaptive Self Organization. ICPR (2000)
Ujjwal Bhattacharya, B. B. Chaudhuri, Swapan K. Parui
An MLP-based texture segmentation method without selecting a feature set. Image Vis. Comput. 15 (12) (1997)
Ujjwal Bhattacharya, B. B. Chaudhuri, Swapan K. Parui
An MLP-based texture segmentation technique which does not require a feature set. ICPR (1996)
Ujjwal Bhattacharya, Swapan K. Parui
Self-adaptive learning rates in backpropagation algorithm improve its function approximation performance. ICNN (1995)

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Publication Activity (10 Years)

Top Topics

Top Venues

Ujjwal Bhattacharya