no code implementations • 19 Nov 2023 • Sudhanshu Kumar, Partha Pratim Roy, Debi Prosad Dogra, Byung-Gyu Kim
It is the process of computationally identifying and categorizing opinions expressed in a piece of text over different social media platforms.
no code implementations • 25 Oct 2023 • Tofik Ali, Partha Pratim Roy
The proposed model leverages transformer-based models to encode all the information present in a document image, including textual, visual, and layout information.
no code implementations • 29 Jul 2023 • Prateek Keserwani, Taveena Lotey, Rohit Keshari, Partha Pratim Roy
It raises a critical question: Is there a need for separate training for new scripts?
no code implementations • 29 Jul 2023 • Taveena Lotey, Prateek Keserwani, Debi Prosad Dogra, Partha Pratim Roy
The feature reweighting module of the proposed method generates scores that reweight the feature maps to reduce the impact of irrelevant information.
no code implementations • 8 Feb 2022 • Gourav Siddhad, Anmol Gupta, Debi Prosad Dogra, Partha Pratim Roy
Despite having achieved automated feature extraction in several other domains, deep learning has not yet been accomplished for EEG.
no code implementations • 30 Jun 2021 • Mizuki Maruyama, Shuvozit Ghose, Katsufumi Inoue, Partha Pratim Roy, Masakazu Iwamura, Michifumi Yoshioka
Thus in this work, we utilized local region images of both hands and face, along with skeletal information to capture local information and the positions of both hands relative to the body, respectively.
Ranked #2 on Sign Language Recognition on WLASL100 (using extra training data)
1 code implementation • 23 Oct 2020 • Prasun Roy, Saumik Bhattacharya, Partha Pratim Roy, Umapada Pal
Sign language is a gesture-based symbolic communication medium among speech and hearing impaired people.
1 code implementation • 14 Jul 2020 • Amandeep Kumar, Shuvozit Ghose, Pinaki Nath Chowdhury, Partha Pratim Roy, Umapada Pal
In this paper, we present a novel approach towards document image binarization by introducing three-player min-max adversarial game.
Ranked #2 on Binarization on DIBCO 2011
1 code implementation • 17 Apr 2020 • Shuvozit Ghose, Pinaki Nath Chowdhury, Partha Pratim Roy, Umapada Pal
Ground Terrain Recognition is a difficult task as the context information varies significantly over the regions of a ground terrain image.
no code implementations • 12 Mar 2020 • Shreetam Behera, Debi Prosad Dogra, Malay Kumar Bandyopadhyay, Partha Pratim Roy
In this paper, a physics-based model is proposed to describe the movements in dense crowds.
no code implementations • 15 Apr 2019 • Shreetam Behera, Debi Prosad Dogra, Malay Kumar Bandyopadhyay, Partha Pratim Roy
It has been observed that the proposed method is able to estimate and segment the linear flows in the dense crowd with better accuracy as compared to state-of-the-art techniques with substantial decrease in the computational overhead.
no code implementations • 13 Feb 2019 • Sk. Arif Ahmed, Debi Prosad Dogra, Samarjit Kar, Partha Pratim Roy, Dilip K. Prasad
Preliminary results indicate that the domain is highly related to computer vision and pattern recognition research with several challenging avenues.
no code implementations • 9 Feb 2019 • Sauradip Nag, Ayan Kumar Bhunia, Aishik Konwer, Partha Pratim Roy
Facial micro-expressions are sudden involuntary minute muscle movements which reveal true emotions that people try to conceal.
no code implementations • 24 Jan 2019 • Santhosh Kelathodi Kumaran, Debi Prosad Dogra, Partha Pratim Roy
Computer vision has evolved in the last decade as a key technology for numerous applications replacing human supervision.
3 code implementations • 18 Dec 2018 • Santhosh Kelathodi Kumaran, Debi Prosad Dogra, Partha Pratim Roy, Adway Mitra
If such trajectories are used to understand the behavior (normal or anomalous) of moving objects, they need to be represented correctly.
1 code implementation • 27 Nov 2018 • Sudhanshu Kumar, Shirsendu Sukanta Halder, Kanjar De, Partha Pratim Roy
Traditional approaches in recommendation systems include collaborative filtering and content-based filtering.
no code implementations • 27 Nov 2018 • Shirsendu Sukanta Halder, Kanjar De, Partha Pratim Roy
Colours are everywhere.
2 code implementations • 4 Nov 2018 • Ayan Kumar Bhunia, Ankan Kumar Bhunia, Shuvozit Ghose, Abhirup Das, Partha Pratim Roy, Umapada Pal
Logo detection in real-world scene images is an important problem with applications in advertisement and marketing.
no code implementations • CVPR 2019 • Ayan Kumar Bhunia, Abhirup Das, Ankan Kumar Bhunia, Perla Sai Raj Kishore, Partha Pratim Roy
Handwritten Word Recognition and Spotting is a challenging field dealing with handwritten text possessing irregular and complex shapes.
no code implementations • 4 Nov 2018 • Ayan Kumar Bhunia, Perla Sai Raj Kishore, Pranay Mukherjee, Abhirup Das, Partha Pratim Roy
In the next stage, a second network gathers the multi-scale feature representations from the TSN's intermediate layers using channel-wise attention, combines them in a progressive manner to a dense continuous representation which is finally converted into a binary hash code with the help of individual and pairwise label information.
1 code implementation • 1 Nov 2018 • Pranay Mukherjee, Abhirup Das, Ayan Kumar Bhunia, Partha Pratim Roy
Can we ask computers to recognize what we see from brain signals alone?
2 code implementations • 31 Oct 2018 • Perla Sai Raj Kishore, Ayan Kumar Bhunia, Shuvozit Ghose, Partha Pratim Roy
We use Global Context Aggregation (GCA) and a modified Region Proposal Network (RPN) with adaptive convolutions to generate thumbnails in real time.
1 code implementation • 25 Oct 2018 • Ankan Kumar Bhunia, Ayan Kumar Bhunia, Aneeshan Sain, Partha Pratim Roy
By jointly training the two networks we can increase the adversarial robustness of our system.
no code implementations • 9 Sep 2018 • Sohom Mukherjee, Arif Ahmed, Debi Prosad Dogra, Samarjit Kar, Partha Pratim Roy
Moreover, the initialization and termination of mid-air finger writing is also challenging due to the absence of any standard delimiting criterion.
no code implementations • 18 Jul 2018 • Ranju Mandal, Partha Pratim Roy, Umapada Pal, Michael Blumenstein
Finally, three distance measures were used to match a query signature with the signature present in target documents for retrieval.
no code implementations • 18 Apr 2018 • Santhosh Kelathodi Kumaran, Debi Prosad Dogra, Partha Pratim Roy
Pixel motion is first detected using optical flow and a Bayesian algorithm has been applied to associate pixels belonging to similar cluster in subsequent frames.
no code implementations • 17 Apr 2018 • Partha Pratim Roy, Akash Mohta, Bidyut. B. Chaudhuri
This paper presents a novel approach to generate synthetic dataset for handwritten word recognition systems.
no code implementations • 18 Mar 2018 • Santhosh Kelathodi Kumaran, Debi Prosad Dogra, Partha Pratim Roy, Bidyut Baran Chaudhuri
If usual traffic paths are learned in a nonparametric way, manual interventions in road marking road can be avoided.
no code implementations • 17 Mar 2018 • Santhosh Kelathodi Kumaran, Debi Prosad Dogra, Partha Pratim Roy
Thus, signal duration prediction is more accurate when tested on these datasets. The method can be used for designing intelligent operator-independent traffic control systems for roadway junctions at cities and highways.
no code implementations • 23 Feb 2018 • Ayan Kumar Bhunia, Subham Mukherjee, Aneeshan Sain, Ankan Kumar Bhunia, Partha Pratim Roy, Umapada Pal
In this paper, we propose a novel approach of word-level Indic script identification using only character-level data in training stage.
no code implementations • 22 Jan 2018 • Ankan Kumar Bhunia, Ayan Kumar Bhunia, Prithaj Banerjee, Aishik Konwer, Abir Bhowmick, Partha Pratim Roy, Umapada Pal
We employ a novel convolutional recurrent model architecture in the Generator that efficiently deals with the word images of arbitrary width.
no code implementations • 22 Jan 2018 • Ayan Kumar Bhunia, Abir Bhowmick, Ankan Kumar Bhunia, Aishik Konwer, Prithaj Banerjee, Partha Pratim Roy, Umapada Pal
Our encoder module consists of Convolutional LSTM network, which takes an offline character image as the input and encodes the feature sequence to a hidden representation.
no code implementations • 22 Jan 2018 • Aishik Konwer, Ayan Kumar Bhunia, Abir Bhowmick, Ankan Kumar Bhunia, Prithaj Banerjee, Partha Pratim Roy, Umapada Pal
Staff line removal is a crucial pre-processing step in Optical Music Recognition.
no code implementations • 3 Jan 2018 • Ayan Kumar Bhunia, Avirup Bhattacharyya, Prithaj Banerjee, Partha Pratim Roy, Subrahmanyam Murala
In this paper, we have proposed a novel feature descriptors combining color and texture information collectively.
no code implementations • 30 Dec 2017 • Shuvozit Ghose, Abhirup Das, Ayan Kumar Bhunia, Partha Pratim Roy
The performance of the method has been tested for image retrieval on four popular databases.
no code implementations • 19 Dec 2017 • Ayan Kumar Bhunia, Partha Pratim Roy, Akash Mohta, Umapada Pal
This paper presents a novel cross language platform for handwritten word recognition and spotting for such low-resource scripts where training is performed with a sufficiently large dataset of an available script (considered as source script) and testing is done on other scripts (considered as target script).
no code implementations • 5 Dec 2017 • Ayan Kumar Bhunia, Partha Pratim Roy, Umapada Pal
Also, we propose a novel feature combining foreground and background information of text line images for keyword-spotting by character filler models.
no code implementations • 5 Dec 2017 • Avirup Bhattacharyya, Rajkumar Saini, Partha Pratim Roy, Debi Prosad Dogra, Samarjit Kar
Next, a face image is segmented into facial regions using landmark points and features are extracted from each region.
no code implementations • 27 Sep 2017 • Ankan Kumar Bhunia, Alireza Alaei, Partha Pratim Roy
Finally, a score level classifier fusion method is used to integrate the scores obtained from the two one-class SVMs to achieve the verification score.
no code implementations • 7 Sep 2017 • Prithaj Banerjee, Ayan Kumar Bhunia, Avirup Bhattacharyya, Partha Pratim Roy, Subrahmanyam Murala
The proposed method is based on the concept that neighbors of a particular pixel hold a significant amount of texture information that can be considered for efficient texture representation for CBIR.
no code implementations • 18 Aug 2017 • Partha Pratim Roy, Ayan Kumar Bhunia, Avirup Bhattacharyya, Umapada Pal
To evaluate the proposed system for searching keyword from natural scene image and video frames, we have considered two popular Indic scripts such as Bangla (Bengali) and Devanagari along with English.
no code implementations • 1 Aug 2017 • Partha Pratim Roy, Ayan Kumar Bhunia, Ayan Das, Prasenjit Dey, Umapada Pal
To avoid character segmentation in such scripts, HMM-based sequence modeling has been used earlier in holistic way.
no code implementations • 22 Jul 2017 • Aneeshan Sain, Ayan Kumar Bhunia, Partha Pratim Roy, Umapada Pal
Until now only a few methods have been proposed that look into curved text detection in video frames, wherein lies our novelty.
no code implementations • 21 Jul 2017 • Ayan Kumar Bhunia, Gautam Kumar, Partha Pratim Roy, R. Balasubramanian, Umapada Pal
In this paper, we present a novel approach based on color channel selection for text recognition from scene images and video frames.
no code implementations • 21 Jul 2017 • Partha Pratim Roy, Ayan Kumar Bhunia, Umapada Pal
A novel Factor Analysis based feature selection technique is applied in sliding window features to reduce the noise appearing from staff lines which proves efficiency in writer identification performance. In our framework we have also proposed a novel score line detection approach in musical sheet using HMM.
no code implementations • 21 Jul 2017 • Partha Pratim Roy, Ayan Kumar Bhunia, Umapada Pal
We propose a line based date spotting approach using Hidden Markov Model (HMM) which is used to detect the date information in a given text.