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In addition to designing a system for automated face recognition using eigenfaces, they showed a way of calculating the eigenvectors of a covariance matrix such that computers of the time could perform eigen-decomposition on a large number of face images. Face images usually occupy a high-dimensional space and conventional principal component ...
For example, a 2-rectangle tilted Haar-like feature can indicate the existence of an edge at 45°. Messom and Barczak [5] extended the idea to a generic rotated Haar-like feature. Although the idea is sound mathematically, practical problems prevent the use of Haar-like features at any angle.
Object recognition – technology in the field of computer vision for finding and identifying objects in an image or video sequence. Humans recognize a multitude of objects in images with little effort, despite the fact that the image of the objects may vary somewhat in different view points, in many different sizes and scales or even when they are translated or rotated.
There are three procedures used in modern stamped concrete which distinguish it from other concrete procedures: the addition of a base color, the addition of an accent color, and stamping a pattern into the concrete. [8] These three procedures provide stamped concrete with a color and shape similar to the natural building material.
In computer vision, 3D object recognition involves recognizing and determining 3D information, such as the pose, volume, or shape, of user-chosen 3D objects in a photograph or range scan. Typically, an example of the object to be recognized is presented to a vision system in a controlled environment, and then for an arbitrary input such as a ...
An 8-year-old boy with Down syndrome became a hero after he alerted his 14-year-old sister of a fire in their Colorado home, helping them get out on time before it was engulfed in flames.
Facial recognition – a technology that enables the matching of faces in digital images or video frames to a face database, which is now widely used for mobile phone facelock, smart door locking, etc. [42] Emotion recognition – a subset of facial recognition, emotion recognition refers to the process of classifying human emotions.
Eight members of the OPEC+ alliance of oil exporting countries decided Thursday to put off increasing oil production as they face weaker than expected demand and competing production from non ...