Search Results - "Karam, L.J."

A No-Reference Objective Image Sharpness Metric Based on the Notion of Just Noticeable Blur (JNB) by Ferzli, R., Karam, L.J.

“…This work presents a perceptual-based no-reference objective image sharpness/blurriness metric by integrating the concept of just noticeable blur into a…”
Get full text

JPEG2000 encoding with perceptual distortion control by Zhen Liu, Karam, L.J., Watson, A.B.

“…In this paper, a new encoding approach is proposed to control the JPEG2000 encoding in order to reach a desired perceptual quality. The new method is based on…”
Get full text

Adaptive image coding with perceptual distortion control by Hontsch, I., Karam, L.J.

“…This paper presents a discrete cosine transform (DCT)-based locally adaptive perceptual image coder, which discriminates between image components based on…”
Get full text

Mutual information-based analysis of JPEG2000 contexts by Zhen Liu, Karam, L.J.

“…Context-based arithmetic coding has been widely adopted in image and video compression and is a key component of the new JPEG2000 image compression standard…”
Get full text

Locally adaptive perceptual image coding by Hontsch, I., Karam, L.J.

“…Most existing efforts in image and video compression have focused on developing methods to minimize not perceptual but rather mathematically tractable, easy to…”
Get full text

On the Performance of Autocorrelation Estimation Algorithms for fMRI Analysis by Lenoski, B., Baxter, L.C., Karam, L.J., Maisog, J., Debbins, J.

“…Pre-whitening of fMRI time-series is commonly performed to address temporal autocorrelations. The pre-whitening procedure requires knowledge of the spatially…”
Get full text

Morphological text extraction from images by Hasan, Y.M.Y., Karam, L.J.

“…This paper presents a morphological technique for text extraction from images. The proposed morphological technique is insensitive to noise, skew and text…”
Get full text

Selective Error Detection for Error-Resilient Wavelet-Based Image Coding by Karam, L.J., Tuyet-Trang Lam

“…This paper introduces the concept of a similarity check function for error-resilient multimedia data transmission. The proposed similarity check function…”
Get full text

Video Texture and Motion Based Modeling of Rate Variability-Distortion (VD) Curves by Van der Auwera, G., Reisslein, M., Karam, L.J.

“…We examine and model the bit rate variability-distortion (VD) curve of -4 part 2 variable bit rate (VBR) video encodings. The VD curve has important…”
Get full text

Morphological reversible contour representation by Hasan, Y.M.Y., Karam, L.J.

“…In this paper, a novel morphological reversible contour representation of discrete binary images is proposed. A binary image is represented by a set of…”
Get full text

Robust hyperspectral image coding with channel-optimized trellis-coded quantization by Abousleman, G.P., Tuyet-Trang Lam, Karam, L.J.

“…This paper presents a wavelet-based hyperspectral image coder that is optimized for transmission over the binary symmetric channel (BSC). The proposed coder…”
Get full text

Image coding with robust channel-optimized trellis-coded quantization by Lam, T.-T., Abousleman, G.P., Karam, L.J.

“…This paper presents a wavelet-based image coder that is optimized for transmission over the binary symmetric channel (BSC). The proposed coder uses a robust…”
Get full text

Canonic signed digit Chebyshev FIR filter design by Hasan, Y.M., Karam, L.J., Falkinburg, M., Helwig, A., Ronning, M.

“…A new algorithm is presented for the design of fixed point finite impulse response (FIR) digital filters that can be realized using a minimal number of adders…”
Get full text

An improved perception-based no-reference objective image sharpness metric using iterative edge refinement by Varadarajan, S., Karam, L.J.

“…The computation of existing sharpness/blurriness objective metrics involves measuring the spread of edge pixels in blurred images. However, in blurred images,…”
Get full text

A no-reference perceptual image sharpness metric based on saliency-weighted foveal pooling by Sadaka, N.G., Karam, L.J., Ferzli, R., Abousleman, G.P.

“…A no-reference perceptual sharpness quality metric, inspired by visual attention information, is presented for a better simulation of the Human Visual System…”
Get full text

No-reference objective wavelet based noise immune image sharpness metric by Ferzli, R., Karam, L.J.

“…This paper focuses on no-reference image sharpness/blurriness metrics due to their importance in image, video, and biomedical applications. Simulation results…”
Get full text

A No-Reference Objective Image Sharpness Metric Based on Just-Noticeable Blur and Probability Summation by Ferzli, R., Karam, L.J.

“…This work presents a perceptual-based no-reference objective image sharpness/blurriness metric by integrating the concept of just noticeable blur (JNB) into a…”
Get full text

A no-reference perceptual image sharpness metric based on a cumulative probability of blur detection by Narvekar, N.D., Karam, L.J.

“…In this paper, a no-reference objective sharpness metric based on a cumulative probability of blur detection is proposed. The metric is evaluated by taking…”
Get full text

Efficient perceptual attentive super-resolution by Sadaka, N.G., Karam, L.J.

“…An efficient perceptually attentive (PA) super-resolution method is proposed to significantly reduce the computational complexity of iterative super-resolution…”
Get full text

DNA-Residual: A DNA Compression Algorithm using Forward Linear Prediction by Ferzli, R., Karam, L.J.

“…This paper presents an efficient lossless DNA compression algorithm, DNA-residual, that significantly decreases the average bit-rate required to losslessly…”
Get full text