The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
This paper presents single-image based super-resolution (SR) algorithm using selective frequency decomposition in the wavelet domain. We synthesize the diagonal high-frequency (HH) sub-band of the discrete wavelet transform (DWT) using the low frequency component of the low-resolution (LR) image and the high frequency component of the bi-cubic interpolated image in the HH sub-band of the DWT. The...
Consumer video surveillance systems often suffer from bad weather conditions, observed objects lose visibility and contrast due to the presence of atmospheric haze, fog, and smoke. In this paper, we present an image defogging algorithm with color correction in the HSV color space for video processing. We first generate a modified transmission map of the image segmentation using multiphase level set...
In this paper, we present an image defogging algorithm with color correction in the HSV color space for video processing. We first detect the atmospheric region from the saturation (S) channel in the HSV color space, and estimate atmospheric light in the atmospheric region. We also generate a transmission map using a weighting parameter computed from the intensity (V) values. The proposed method can...
In this paper, we propose a peripheral region enhancement method for geometrically compensated images from a fisheye lens. The proposed method provides a novel filtering method based on the degradation model of a fisheye lens. More specifically, we first present a space-variant image degradation model using generic Gaussian function with geometric distortion. We then apply the truncated constraint...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.