Contents
What is skeletonization in image processing?
Skeletonization is a process for reducing foreground regions in a binary image to a skeletal remnant that largely preserves the extent and connectivity of the original region while throwing away most of the original foreground pixels.
Why skeletonization is important?
Abstract. Skeletonization provides a compact yet effective representation of 2-D and 3-D objects, which is useful in many low- and high-level image-related tasks including object representation, retrieval, manipulation, matching, registration, tracking, recognition, and compression.
What is skeletonization and what conditions does it occur?
Skeletonization refers to the final stage of decomposition, during which the last vestiges of the soft tissues of a corpse or carcass have decayed or dried to the point that the skeleton is exposed. By the end of the skeletonization process, all soft tissue will have been eliminated, leaving only disarticulated bones.
What is thinning and thickening in image processing?
Thickening is the dual of thinning, i.e. thinning the foreground is equivalent to thickening the background. In fact, in most cases thickening is performed by thinning the background.
What causes skeletonized?
The reasons for skeletonizing leaves may stem from insect or disease and occasionally chemical injury. Most common are insect pests whose feeding behavior is along the veins of the foliage. Recognize the signs of these pests so you can control them and prevent skeletonized leaf damage.
How long does it take for bones to turn to dust?
Generally, it could take about a year for the body to decompose into a skeleton in ordinary soil and eight to twelve years to decompose a skeleton. If the body is buried it takes longer to decompose, if it is contained (like in a coffin) it takes even longer.
How long does it take for a human body to fully decompose?
24-72 hours after death — the internal organs decompose. 3-5 days after death — the body starts to bloat and blood-containing foam leaks from the mouth and nose. 8-10 days after death — the body turns from green to red as the blood decomposes and the organs in the abdomen accumulate gas.
Why thinning is used in image processing?
Thinning is a morphological operation that is used to remove selected foreground pixels from binary images, somewhat like erosion or opening. In this mode it is commonly used to tidy up the output of edge detectors by reducing all lines to single pixel thickness.
What does it mean to skeletonize an image?
The process of skeletonization refers to application of an algorithm that produces a skeleton-like texture from the outline of prominent features in a grayscale digital image.
How does the skeletonization process work in 3 D?
In three dimensions (3-D), it converts an object into a skeleton that consists of surfaces, i.e., 2-D structures and curves. This skeletonization process in 3-D is commonly referred to as surface skeletonization, as it allows surface structures to exist in a skeleton.
How is skeletonization used in computer vision applications?
A recent survey on skeletonization methods and their applications were presented in [38]. Skeletonization has been popularly used in various image processing and computer vision applications including object representation, retrieval, manipulation, matching, registration, tracking, recognition, compression, etc.
How is digital erosion used in skeletonization algorithms?
A strategy of iterative constrained digital erosion of object boundary has been popularly used in many 3-D skeletonization algorithms [9–13]. In these algorithms, the constraint for erosion includes preservation of both topology [14,15] and geometric features.