Intel Corporation

Texas Instruments Corporation

Indian Institute of Technology

Ajoy Kumar Ray

Tinku Acharya

Hrushikesh Tukaram Garud

Manjunatha Mahadevappa

Debdoot Sheet

Ranjit K Mishra

Jyotirmoy Chatterjee

Swagato Chakraborty

Amit Suveer

A novel modification to the order statistics filters called the Adaptive Weighted-Local-Difference Order Statistics is shown that will act as a generic framework for the design of adaptive filters suitable for specific signal processing applications. To demonstrate the design of filters using this framework two implementations were defined and evaluated: Edge Orientation Adaptive Weighted-Local-Difference Median Filter (EOAWLDMF) and Luminance-Similarity Adaptive Weighted-Local-Difference Median Filter (LSAWLDMF) for restoration of noisy images.

Adaptive weighted-local-difference order statistics filters

Method and apparatus for enhancing representations of micro-calcifications in a digital mammogram image. The method includes smoothing the digital mammogram image using a fuzzy smoothing technique to yield a fuzzy smoothed image. The method includes subtracting the fuzzy smoothed image from the digital mammogram image to yield a micro-calcifications enhanced image. The method includes scaling gray level values of pixels in the micro-calcifications enhanced image by a predetermined amount to provide a digital mammogram image with enhanced representations of the micro-calcifications. Apparatus for enhancing representations of micro-calcifications includes an image processing unit that uses an image acquisition unit to receive an image and a digital signal processor to process the image to provide a digital mammogram image with enhanced representations of micro-calcifications.

Method and apparatus for enhancing representations of micro-calcifications in a digital mammogram image

In one embodiment, the present invention includes a method to use active contours to detect image boundaries of a first view and a second view of a human face, and mark a first set of fiducial points on the first view and a second set of fiducial points on the second view. Using the fiducial points, feature vectors may be calculated and stored in a database for later comparison with a query image.

Enabling content-based search of objects in an image database with reduced matching

In one embodiment, the present invention includes a method to obtain a query image and search a database corresponding to object images for a solution set having a maximum similarity to the query image using fuzzy logic. Also in certain embodiments, based on fuzzy logic, the database may be partitioned into multiple sets based on a fuzzy similarity analysis of a measure of the object images to various thresholds.

Searching for object images with reduced computation

A color filter array includes arrangements of green-filtered pixels to optimize performance and accuracy of color interpolation operations. Where red or blue pixels are found, green values are estimated with a high degree of accuracy. Unknown red and blue intensity values are interpolated by converting known red and blue values to hue. The interpolated hue values are then converted to intensity data.

Growing community of inventors

Kharagpur, India

Ajoy Kumar Ray