1 code implementation • 31 Oct 2023 • Vaibhav Khamankar, Sutanu Bera, Saumik Bhattacharya, Debashis Sen, Prabir Kumar Biswas
Style transfer-based data augmentation is an emerging technique that can be used to improve the generalizability of machine learning models for histopathological images.
no code implementations • 3 Nov 2022 • Sutanu Bera, Prabir Kumar Biswas
We have shown the aforementioned is similar to training a neural network to minimize the distance between clean NDCT and noisy LDCT image pairs.
no code implementations • 25 Jul 2022 • Aupendu Kar, Suresh Nehra, Jayanta Mukhopadhyay, Prabir Kumar Biswas
However, the spatial resolution is significantly constrained in commercial microlens based LF cameras because of the inherent multiplexing of spatial and angular information.
no code implementations • 15 Feb 2022 • Manashi Chakraborty, Aritri Chakraborty, Prabir Kumar Biswas, Pabitra Mitra
The data relation loss enables learning better texture representation which is pivotal for a texture rich dataset such as iris.
no code implementations • CVPR 2021 • Aupendu Kar, Sobhan Kanti Dhara, Debashis Sen, Prabir Kumar Biswas
Our zero-shot network estimates the parameters of the Koschmieder's model, which describes the degradation in the input image, to perform image restoration.
no code implementations • 29 Mar 2021 • Sutanu Bera, Prabir Kumar Biswas
In this study, we proposed an iterative gradient encoding network for single image reflection removal.
1 code implementation • 11 Nov 2020 • Sutanu Bera, Prabir Kumar Biswas
Next, we moved towards the problem of non-stationarity of CT noise and introduced a new noise aware mean square error loss for LDCT denoising.
1 code implementation • 4 Aug 2020 • Aupendu Kar, Sobhan Kanti Dhara, Debashis Sen, Prabir Kumar Biswas
The estimated parameters are then used to guide our dehazing module, where the estimates are progressively updated by novel convolutional networks.
1 code implementation • 11 Jul 2020 • Avisek Lahiri, Sourav Bairagya, Sutanu Bera, Siddhant Haldar, Prabir Kumar Biswas
We also present and analyse our results highlighting the drawbacks of applying depthwise separable convolutional kernel (a popular method for efficient classification network) for sub-pixel convolution based upsampling (a popular upsampling strategy for low-level vision applications).
no code implementations • 20 Feb 2020 • Manashi Chakraborty, Mayukh Roy, Prabir Kumar Biswas, Pabitra Mitra
In this paper, we present a texture aware lightweight deep learning framework for iris recognition.
no code implementations • NeurIPS Workshop Document_Intelligen 2019 • Bharat Mamidibathula, Prabir Kumar Biswas
Blind document deblurring is a fundamental task in the field of document processing and restoration, having wide enhancement applications in optical character recognition systems, forensics, etc.
no code implementations • 16 Aug 2019 • Avisek Lahiri, Arnav Kumar Jain, Prabir Kumar Biswas
To our knowledge, this is the first demonstration of an unsupervised GAN based sequence inpainting.
no code implementations • 14 Aug 2019 • Avisek Lahiri, Arnav Kumar Jain, Divyasri Nadendla, Prabir Kumar Biswas
In this paper, we propose to improve the inference speed and visual quality of contemporary baseline of Generative Adversarial Networks (GAN) based unsupervised semantic inpainting.
1 code implementation • CVPR 2021 • Aupendu Kar, Prabir Kumar Biswas
Furthermore, this paper proposes an approach to reduce the model's uncertainty for an input image, and it helps to defend the adversarial attacks on the image super-resolution model.
no code implementations • 20 Oct 2018 • Avisek Lahiri, Arnav Jain, Divyasri Nadendla, Prabir Kumar Biswas
Current benchmark models are susceptible to initial solutions of non-convex optimization criterion of GAN based inpainting.
no code implementations • 18 Oct 2018 • Avisek Lahiri, Abhinav Agarwalla, Prabir Kumar Biswas
Such domain difference deteriorates test time performances of models trained on synthetic examples.
1 code implementation • 4 Oct 2018 • Avisek Lahiri, Charan Reddy, Prabir Kumar Biswas
Though image object detectors have shown rapid progress in recent years with the release of multiple large-scale static image datasets, object detection on videos still remains an open problem due to scarcity of annotated video frames.
no code implementations • 5 Sep 2018 • Avisek Lahiri, Vineet Jain, Arnab Mondal, Prabir Kumar Biswas
The proposed method is an extension of our previous work with the addition of a new unsupervised adversarial loss and a structured prediction based architecture.
1 code implementation • 16 Nov 2017 • Avisek Lahiri, Arnav Jain, Prabir Kumar Biswas, Pabitra Mitra
Contemporary benchmark methods for image inpainting are based on deep generative models and specifically leverage adversarial loss for yielding realistic reconstructions.
no code implementations • 19 Sep 2016 • Avisek Lahiri, Abhijit Guha Roy, Debdoot Sheet, Prabir Kumar Biswas
Automated segmentation of retinal blood vessels in label-free fundus images entails a pivotal role in computed aided diagnosis of ophthalmic pathologies, viz., diabetic retinopathy, hypertensive disorders and cardiovascular diseases.
no code implementations • 5 Aug 2016 • Avisek Lahiri, Biswajit Paria, Prabir Kumar Biswas
Also, the proposed model is compared with traditional boosting and recent multiview boosting algorithms.
no code implementations • 3 May 2016 • Avisek Lahiri, Sourya Roy, Anirban Santara, Pabitra Mitra, Prabir Kumar Biswas
Recent thrust in saliency prediction research is to learn high level semantics using ground truth eye fixation datasets.