40results about How to "No need to measure target size" patented technology

The invention provides food intelligent production equipment and method. The food intelligent production equipment and method include a food three-dimensional data generation device for collecting images of copied food and generating corresponding three-dimensional data, a food production device for producing food with the same shape and / or texture as the food being copied based on three-dimensional data of the copied food. For the first time, a method for producing highly simulated food by taking a three-dimensional model of real food collected by a collection device as data.

The invention provides a three-dimensional model generation method comprising: the first step: using 3D information collection equipment to collect multiple groups of images of the target object; the second step: performing image enhancement processing on all input photos; the third step: performing image enhancement processing on all input photos Extract feature points from the image, and perform feature point matching to obtain sparse feature points; the fourth step: input the matched feature point coordinates, solve the sparse 3D point cloud of the face and the position and attitude data of the image acquisition device, and obtain Sparse target model 3D point cloud and model coordinate value of position; use sparse feature points as the initial value, perform dense matching of multi-view images, and obtain dense point cloud data; Step 5: use dense point cloud to reconstruct the target surface; Step 6: Carry out texture mapping on the target model. For the first time, it is proposed to increase the synthesis speed and synthesis accuracy by adding the way that the background plate rotates with the camera to cooperate with the optimized algorithm.

The embodiment of the present invention provides a three-dimensional model size calibration device and method: a plurality of marker points are set on the target object or around the target object; an image acquisition device, the acquisition area of ​​which moves with the target object to acquire multiple images of the target object , at least a part of the plurality of images includes landmarks; the processor synthesizes a 3D model of the target object according to at least a part of the plurality of images, and recognizes the landmarks in the at least a part of the images, and according to the landmarks The coordinates or dimensions of the points are used to obtain the coordinates or dimensions of the 3D model of the target. The calibration efficiency is improved by optimizing the shape of the calibration mark.

The present invention provides a kind of tiny object acquisition equipment, comprising image acquisition device, micro-motion device, stage; wherein micro-motion device comprises turntable and oscillating disk, and spacer is arranged between turntable and oscillating disk, and spacer follows turntable Rotate, so as to drive the oscillating plate to oscillate near the reference plane; the image acquisition device is arranged on the oscillating plate. For the first time, a structure suitable for collecting around tiny objects is proposed, which avoids the problem of rotating out of the field of view.

Embodiments of the present invention provide a calibration device and method in 3D modeling, (1) using a calibration device to project multiple light beams to a target, and forming multiple light spots on the surface of the target, which are calibration points; (2) Utilize the distance measurement module and the angle measurement module in the calibration device to measure the distance and angle of the calibration points respectively; (3) take the calibration device as the origin, calculate the coordinates of each calibration point according to the above-mentioned distance measurement value and angle measurement value; (4) Thereby determining the coordinates of the 3D model of the target object. The absolute size calibration of the target object is realized by performing laser ranging and angle measurement on multiple points.

The present invention provides a 3D intelligent vision device, comprising a rotating device for driving the acquisition area of ​​the image acquisition device to generate relative motion with the target object; the image acquisition device is used for collecting a group of images of the target object through the above-mentioned relative motion; The optical axis of the collection device and the rotation plane of the rotation device have an included angle γ. For the first time, it is proposed to collect the target image by rotating the camera optical axis and the turntable at a certain angle rather than parallel, so as to realize 3D synthesis and modeling without rotating around the target, which improves the adaptability of the scene.

The present invention provides a mobile terminal with a lifting and rotating 3D acquisition device, including a lifting device, a rotating device, and an image acquisition device; wherein the lifting device, the rotating device, and the image acquisition device are connected in sequence; in the non-use state, the lifting device, Both the rotating device and the image acquisition device can be partly or completely accommodated in the mobile terminal housing; in the state of use, the light entrance of the image acquisition device is exposed outside the mobile terminal housing. The image acquisition device is connected with the mobile terminal for data. It is the first time to propose a device structure that can apply the principle of image stitching for 3D acquisition in a mobile terminal. For the first time, it is proposed to use the method of rotating the camera on the horizontal plane to scan the target in the mobile terminal to achieve 3D synthesis, avoiding the excessive volume caused by the use of too many tracks, and avoiding the difficulty of synthesis caused by free movement.

The embodiment of the present invention provides an iris 3D information collection and measurement device, including an image collection device, a rotation device, an X orbit, and a Y orbit; The device is located behind the image acquisition device, facing away from the direction of the iris; the X track and the Y track are used to carry the image capture device, and enable the image capture device to slide on them simultaneously, and the compound motion trajectory is a curve. For the first time, it is proposed that through the cooperation of the rotating shaft and the two-dimensional guide rail, the concave motion trajectory of the camera suitable for iris collection can be realized without increasing the volume of the device.

The embodiment of the present invention provides a 3D modeling device and method with coordinate information, (1) using the acquisition device to collect multiple images of the target object; (2) determining multiple specific points from the above multiple images; (3) Find the corresponding point on the target according to the specific point in the image as a calibration point; measure the coordinates of the calibration point on the target; (4) use the coordinates of the above multiple images and calibration points to construct a three-dimensional model with coordinate information. The absolute size calibration of the target object is realized by performing laser ranging and angle measurement on multiple points.