Browsing by Author "Mitra, Suman K."

Now showing items 1-20 of 53

    • Automatic brain tumour segmentation using rough sets 

      Saha, Rupsa (Dhirubhai Ambani Institute of Information and Communication Technology, 2016)
      Brain tumour segmentation is an important research topic in computer assistedmedical intervention. Automation of this process ensures that valuable expertresources are made available to a wider range of people and more ...

    • Automatic car license plate recognition 

      Suryanarayana, P. V. (Dhirubhai Ambani Institute of Information and Communication Technology, 2005)
      In most traffic applications, someone gathers information manually at the scene or watching the video of a scene. With automatic car license plate recognition using image processing techniques, new ways of capturing traffic ...

    • Bayesian networks : Bayesian learning in neural networks and autoencoders 

      Sadrani, Riya D. (Dhirubhai Ambani Institute of Information and Communication Technology, 2020)
      In traditional neural networks, we have fixed weights and biases that determine how input is transformed into an output. In a Bayesian Neural Network (BNN), all weights and biases have a probability distribution attached ...

    • Binarizing degraded document image for text extraction 

      Patel, Radhika (Dhirubhai Ambani Institute of Information and Communication Technology, 2015)
      The recent era of digitization is expected to be digitized many old important documents which are degraded due to various reasons. Binarizing Degraded Document Image for Text Extraction is a conversation of document color ...

    • Classification of 3D volume data using finite mixture models 

      Phophalia, Ashish (Dhirubhai Ambani Institute of Information and Communication Technology, 2010)
      The 3D imaging provides better view of objects from three directions as compared to 2D imaging where front face of object can be viewed only. It involves a complex relationship as compared to 2D imaging and hence computationally ...

    • Classification of Polarimetric SAR Images 

      Chaudhari, Nilamben (2021)
      Classification of terrain into different ground covers is one of the predominant applications of polarimetric SAR images. TheWishart classifier works well for major classification tasks. However, it is effective only for ...

    • Content-based image retrieval system for multi-object images using a combination of features 

      Katare, Aradhana (Dhirubhai Ambani Institute of Information and Communication Technology, 2006)
      Content-based image retrieval (CBIR) is a research area dedicated to address the retrieval of images based on automatically derived features from the content of the images in database. Traditional CBIR systems generally ...

    • Covert communication in TCP/IP network 

      Tandon, Dheeraj (Dhirubhai Ambani Institute of Information and Communication Technology, 2004)
      This thesis explores the area of Covert Communication in TCP/IP network (Internet). We investigate various protocols of TCP/IP suite, which have potential to be used for covert communication on the network. In this thesis ...

    • Data warehousing and analytics for chatbot 

      Mehta, Nishi (Dhirubhai Ambani Institute of Information and Communication Technology, 2020)
      For businesses it has become mandatory to solve the issues and problems that the customers are facing to ensure the customer loyalty. Man has always looked to take help of machines to remove human intervention and once ...

    • Detection and localization of tampering in a digital medical image using discrete wavelet transform 

      Gadhiya, Tushar (Dhirubhai Ambani Institute of Information and Communication Technology, 2015)
      Use of digital images has increased tremendously in medical science as a diagnosis tool. It made investigation easier and quick. But at the same time it raises the question of authenticity of the image under scrutiny. ...

    • Development of surface soil moisture (SSM) retrieval algorithm using multi-temporal sentinel-1 C band SAR data 

      Chhablani, Reena (2020)
      Soil Moisture is a crucial component for farmers, disaster management units, and meteorologists. Here, I present an algorithm to estimate surface soil moisture (SSM) from ESA’s Sentinel-1 satellite-carrying C-band SAR(CSAR) ...

    • Differential geometry and image processing 

      Tatu, Aditya (Dhirubhai Ambani Institute of Information and Communication Technology, 2005)
      There are various ways of observing and interpreting images. At higher levels of abstraction, one looks at an image as collections of objects, while at the other end it is just a collection of curves and surfaces. We study ...

    • Dimensionality reduction using deep autoencoder 

      Thaker, Vandan Bharat (Dhirubhai Ambani Institute of Information and Communication Technology, 2019)
      All the traditional techniques originating from statistics and geometry theory for dimensionality reduction learns underlying manifold by preserving relationships in low-dimensional feature space. In order to use these ...

    • Document representation using extended locality preserving indexing 

      Khalpada, Vaidehi S. (Dhirubhai Ambani Institute of Information and Communication Technology, 2018)
      The main purpose of web search is to obtain the relevant information pertaining to our need from the documents available on the Internet. Each term (word) in a document contributes to a dimension. It is challenging to ...

    • Exploring suitable classifier for robust face and facial expression recognition. 

      Jain, Deshna (Dhirubhai Ambani Institute of Information and Communication Technology, 2013)
      Face recognition by machines has been studied since last few decades and the problem is attempted to be solved by various ways. However any robust solution is not acheived yet by the researchers due to numerous challenges ...

    • Eye localization in video: a hybrid approach 

      Kansara, Bena (Dhirubhai Ambani Institute of Information and Communication Technology, 2010)
      Location of eyes is an important process for operations such as orientation correction, which are necessary pre-processes for face recognition. As eyes are one of the main features of the human face, the success of facial ...

    • Facial expression recognition: feature based approaches to deep learning techniques 

      Sujata (Dhirubhai Ambani Institute of Information and Communication Technology, 2020)
      Facial expression recognition (FER) is a problem of pattern recognition that invites the attention of computer vision researchers for the last three decades. However, the problem is still alive due to challenges such as - ...

    • Forest stand height estimation using inversion of RVoG model over forest of north-eastern India 

      Mungalpara, Ankita (2020)
      In recent years, multiple studies have been carried out to estimate forest height using Synthetic Aperture Radar (SAR) remote sensing techniques. The forest height is an essential forest resource parameter that is usually ...

    • Fractal based approach for face recognition 

      Athale, Suprita (Dhirubhai Ambani Institute of Information and Communication Technology, 2004)
      An automated face recognition system is proposed in this dissertation. The system efficiently recognizes a candidate (test) image using the interdependence of the pixel that arises from the fractal compression of the image. ...

    • Gaussian mixture models for spoken language identification 

      Manwani, Naresh (Dhirubhai Ambani Institute of Information and Communication Technology, 2006)
      Language Identification (LID) is the problem of identifying the language of any spoken utterance irrespective of the topic, speaker or the duration of the speech. Although A very huge amount of work has been done for ...