An assembly is provided for conducting quality control of objects in the form of linear movable fabric. The assembly includes at least one light source, at least one light detection unit, and an electronic processor unit. The fabric and the light detection unit include a drive means configured to make a linear relative movement with respect to each other, and the light detection unit is configured to receive a linear image at a given moment in a direction different from the direction of the linear relative movement.

An assembly is provided for conducting quality control of objects in the form of linear movable fabric. The assembly includes at least one light source, at least one light detection unit, and an electronic processor unit. The fabric and the light detection unit include a drive means configured to make a linear relative movement with respect to each other, and the light detection unit is configured to receive a linear image at a given moment in a direction different from the direction of the linear relative movement.

An image analysis apparatus, which analyzes orientations of fiber bundles of X-yarns and Y-yarns from a three-dimensional image of a woven fabric made of fiber bundles of the X-yarns, the Y-yarns, and Z-yarns, includes: a binarization unit that binarizes the three-dimensional image; an overlapping area extraction unit that extracts an overlapping area from the binarized image; a reference direction determination unit that averages an overlapping direction of each voxel included in the overlapping area and determines the averaged direction as a reference direction; a Z-yarn removal unit that removes the Z-yarns from the binarized image by applying a directional distance method on a reference plane perpendicular to the reference direction; and a fiber bundle orientation estimation unit that applies the directional distance method on the reference plane and estimates the orientations of the fiber bundles of the X-yarns and the Y-yarns based on a calculated directional distance.

An image analysis apparatus, which analyzes orientations of fiber bundles of X-yarns and Y-yarns from a three-dimensional image of a woven fabric made of fiber bundles of the X-yarns, the Y-yarns, and Z-yarns, includes: a binarization unit that binarizes the three-dimensional image; an overlapping area extraction unit that extracts an overlapping area from the binarized image; a reference direction determination unit that averages an overlapping direction of each voxel included in the overlapping area and determines the averaged direction as a reference direction; a Z-yarn removal unit that removes the Z-yarns from the binarized image by applying a directional distance method on a reference plane perpendicular to the reference direction; and a fiber bundle orientation estimation unit that applies the directional distance method on the reference plane and estimates the orientations of the fiber bundles of the X-yarns and the Y-yarns based on a calculated directional distance.

The present invention relates to a tenter system having a function of automatically correcting a fabric on the basis of an image, and a method therefor, and the tenter system includes a tenter machine, an introduced-fabric design pattern correction unit provided behind the tenter machine and configured to correct the introduced-fabric design pattern of an input fabric introduced into the tenter machine, a first scanning unit provided in front of the tenter machine and configured to scan the design pattern of a discharged fabric discharged from the tenter machine to acquire a discharged-fabric design pattern image, and a central processing unit configured to communicate with the introduced-fabric design pattern correction unit and the first scanning unit.

The present invention relates to a tenter system having a function of automatically correcting a fabric on the basis of an image, and a method therefor, and the tenter system includes a tenter machine, an introduced-fabric design pattern correction unit provided behind the tenter machine and configured to correct the introduced-fabric design pattern of an input fabric introduced into the tenter machine, a first scanning unit provided in front of the tenter machine and configured to scan the design pattern of a discharged fabric discharged from the tenter machine to acquire a discharged-fabric design pattern image, and a central processing unit configured to communicate with the introduced-fabric design pattern correction unit and the first scanning unit.

Process for making a fabric label (10) containing one piece of unique information; characterized by comprising the following steps: providing a fabric piece (7) comprising a first woven pattern (2) made by a predetermined arrangement combination of weft threads with respect to the warp threads; applying at least one second decorating pattern (4) on said fabric piece (7) to make at least one decoration for a label (10) to be made; associating at least one piece of variable information (5) adapted to uniquely identify a label (10) to be made; detecting a reference image (12) for every second decorating pattern (4), associated with a label (10) to be made; each reference image (12) being adapted to show the reciprocal position of every second decorating pattern (4) with respect to the first woven pattern (2); storing the picture in an association database (14).

An image analysis apparatus, which analyzes orientations of fiber bundles of X-yarns and Y-yarns from a three-dimensional image of a woven fabric made of fiber bundles of the X-yarns, the Y-yarns, and Z-yarns, includes: a binarization unit that binarizes the three-dimensional image; an overlapping area extraction unit that extracts an overlapping area from the binarized image; a reference direction determination unit that averages an overlapping direction of each voxel included in the overlapping area and determines the averaged direction as a reference direction; a Z-yarn removal unit that removes the Z-yarns from the binarized image by applying a directional distance method on a reference plane perpendicular to the reference direction; and a fiber bundle orientation estimation unit that applies the directional distance method on the reference plane and estimates the orientations of the fiber bundles of the X-yarns and the Y-yarns based on a calculated directional distance.

An image analysis apparatus, which analyzes orientations of fiber bundles of X-yarns and Y-yarns from a three-dimensional image of a woven fabric made of fiber bundles of the X-yarns, the Y-yarns, and Z-yarns, includes: a binarization unit that binarizes the three-dimensional image; an overlapping area extraction unit that extracts an overlapping area from the binarized image; a reference direction determination unit that averages an overlapping direction of each voxel included in the overlapping area and determines the averaged direction as a reference direction; a Z-yarn removal unit that removes the Z-yarns from the binarized image by applying a directional distance method on a reference plane perpendicular to the reference direction; and a fiber bundle orientation estimation unit that applies the directional distance method on the reference plane and estimates the orientations of the fiber bundles of the X-yarns and the Y-yarns based on a calculated directional distance.

Embodiments pertain to methods of evaluating fiber quality by (1) receiving at least one in-line hologram image of the fiber; (2) reconstructing the in-line hologram image of the fiber into at least one three-dimensional image of the fiber that includes fiber-related data; and (3) correlating the fiber-related data to fiber quality. Such methods may also include: (4) adjusting fiber-related conditions; and (5) repeating steps 1-3 after the adjustment. Further embodiments pertain to systems for evaluating fiber quality in accordance with the aforementioned methods. Such systems may include a receiving area with a region for housing a fiber, a light source associated with the receiving area, a chamber associated with the light source and receiving area, a camera within the chamber, a processor in electrical communication with the camera, a storage device, an algorithm associated with the storage device and a graphical user interface (GUI) associated with the processor.