Search Results - "Chaudhury, Kunal N."

Fast and Provably Accurate Bilateral Filtering by Chaudhury, Kunal N., Dabhade, Swapnil D.

“…The bilateral filter is a non-linear filter that uses a range filter along with a spatial filter to perform edge-preserving smoothing of images. A direct…”
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Acceleration of the Shiftable O(1) Algorithm for Bilateral Filtering and Nonlocal Means by CHAUDHURY, Kunal N

“…A direct implementation of the bilateral filter requires O(σ(s)(2)) operations per pixel, where σ(s) is the (effective) width of the spatial kernel. A fast…”
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Generalized Semantic Preserving Hashing for Cross-Modal Retrieval by Mandal, Devraj, Chaudhury, Kunal N., Biswas, Soma

“…Cross-modal retrieval is gaining importance due to the availability of large amounts of multimedia data. Hashing-based techniques provide an attractive…”
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Fast and accurate bilateral filtering using Gauss-polynomial decomposition by Chaudhury, Kunal N.

“…The bilateral filter is a versatile non-linear filter that has found diverse applications in image processing, computer vision, computer graphics, and…”
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Fast Adaptive Bilateral Filtering by Gavaskar, Ruturaj G., Chaudhury, Kunal N.

“…In the classical bilateral filter, a fixed Gaussian range kernel is used along with a spatial kernel for edge-preserving smoothing. We consider a…”
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Fast High-Dimensional Bilateral and Nonlocal Means Filtering by Nair, Pravin, Chaudhury, Kunal N.

“…Existing fast algorithms for bilateral and nonlocal means filtering mostly work with grayscale images. They cannot easily be extended to high-dimensional data…”
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Optimized Fourier Bilateral Filtering by Ghosh, Sanjay, Nair, Pravin, Chaudhury, Kunal N.

“…We consider the problem of approximating a truncated Gaussian kernel using Fourier (trigonometric) functions. The computation-intensive bilateral filter can be…”
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On Fast Bilateral Filtering Using Fourier Kernels by Ghosh, Sanjay, Chaudhury, Kunal N.

“…It was demonstrated in earlier work that, by approximating its range kernel using shiftable functions, the nonlinear bilateral filter can be computed using a…”
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On the Strong Convexity of PnP Regularization Using Linear Denoisers by Sinha, Arghya, Chaudhury, Kunal N.

“…In the Plug-and-Play (PnP) method, a denoiser is used as a regularizer within classical proximal algorithms for image reconstruction. It is known that a broad…”
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Fast Scale-Adaptive Bilateral Texture Smoothing by Ghosh, Sanjay, Gavaskar, Ruturaj G., Panda, Debasisha, Chaudhury, Kunal N.

“…In the classical bilateral filter, a range kernel is used together with a spatial kernel for smoothing out fine details while simultaneously preserving edges…”
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Plug-and-Play Regularization Using Linear Solvers by Nair, Pravin, Chaudhury, Kunal N.

“…There has been tremendous research on the design of image regularizers over the years, from simple Tikhonov and Laplacian to sophisticated sparsity and…”
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Averaged Deep Denoisers for Image Regularization by Nair, Pravin, Chaudhury, Kunal N.

“…Plug-and-Play (PnP) and Regularization-by-Denoising (RED) are recent paradigms for image reconstruction that leverage the power of modern denoisers for image…”
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Plug-and-Play ISTA Converges With Kernel Denoisers by Gavaskar, Ruturaj G., Chaudhury, Kunal N.

“…Plug-and-play (PnP) method is a recent paradigm for image regularization, where the proximal operator (associated with some given regularizer) in an iterative…”
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Improved NMR‐data‐compliant protein structure modeling captures context‐dependent variations and expands the scope of functional inference by Das, Niladri R., Chaudhury, Kunal N., Pal, Debnath

“…Nuclear magnetic resonance (NMR) spectroscopy can reveal conformational states of a protein in physiological conditions. However, sparsely available NMR data…”
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On Plug-and-Play Regularization Using Linear Denoisers by Gavaskar, Ruturaj G., Athalye, Chirayu D., Chaudhury, Kunal N.

“…In plug-and-play (PnP) regularization, the knowledge of the forward model is combined with a powerful denoiser to obtain state-of-the-art image…”
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On the Contractivity of Plug-and-Play Operators by Athalye, Chirayu D., Chaudhury, Kunal N., Kumar, Bhartendu

“…In plug-and-play (PnP) regularization, the proximal operator in algorithms such as ISTA and ADMM is replaced by a powerful denoiser. This formal substitution…”
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Corrections to “On the Contractivity of Plug-and-Play Operators” by Athalye, Chirayu D., Chaudhury, Kunal N.

“…Presents corrections to the article "On the Contractivity of Plug-and-Play Operators"…”
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A new ADMM algorithm for the Euclidean Median and its application to robust patch regression by Chaudhury, Kunal N., Ramakrishnan, K. R.

“…The Euclidean Median (EM) of a set of points Ω in an Euclidean space is the point x minimizing the (weighted) sum of the Euclidean distances of x to the points…”
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Non-Local Euclidean Medians by Chaudhury, K. N., Singer, A.

“…In this letter, we note that the denoising performance of Non-Local Means (NLM) can be improved at large noise levels by replacing the mean by the Euclidean…”
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Fast Bright-Pass Bilateral Filtering for Low-Light Enhancement by Ghosh, Sanjay, Chaudhury, Kunal N.

“…We consider the problem of enhancing images captured under low-light conditions. Several variational and filtering based solutions have been proposed for this…”
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