44results about How to "Improve image capture quality" patented technology

The invention discloses a system and method for eliminating a purple boundary of an image. The method comprises the following steps of: traversing pixel points of the image by the system, calculating hues of the pixel points, counting the pixel points in the purple hue and the pixel points close to the purple hue by utilizing a pre-set threshold value interval, and calculating the ratio of the pixel points in the whole image, so that a dynamic purple boundary detection threshold value is obtained; creating a template image, which is same as an image obtained by an image obtaining module in size, and obtaining the pixel points falling into a purple boundary area; and correcting the detected purple boundary pixel points, and correcting a red intensity value and a blue intensity value by using a green intensity value. The invention further provides the method for eliminating the purple boundary of the image. By means of the system and method for eliminating the purple boundary of the image disclosed by the invention, the purple boundary of the image can be automatically corrected; the image shooting quality and the user experience are improved; the problems of complex hardware structure, high hardware cost and long research and development period due to change of the structure of a camera or a lens traditionally can be avoided; and simultaneously, the problem that the purple boundary is corrected unreasonably due to erroneous judgement because of unreasonable threshold value setting can also be avoided.

A method for reading a physical characteristic on an object includes:a step (240, 315, 405) of capturing a first image of at least a portion of the object with a first resolution;a step (245, 320, 415, 420) of determining the position of an area of the object to be processed, according to the first image;a step (255, 330, 430) of capturing a second image of the area of the object to be processed, with a second resolution higher than the first resolution; anda step (260, 335, 440) of determining the physical characteristic based on the second image. In some embodiments, there is, in addition, a step of marking the object with a mark bearing information representative of at least a portion of the physical characteristic.

An image capturing apparatus including a light guide device having a first surface and a second surface opposite to each other, a transparent device disposed on the first surface, an image capturing device disposed on the second surface, a first optical adhesive, a second optical adhesive and a light source is provided. The first optical adhesive is disposed between the transparent device and the first surface. The transparent device is connected to the first surface through the first optical adhesive. The second optical adhesive is disposed between the second surface and the image capturing device. The image capturing device is connected to the second surface through the second optical adhesive. The light source is adapted to emit a light beam. The light beam passed through the light guide device is transmitted toward the transparent device and totally reflected by an interface between the transparent device and an environment medium.

The invention discloses an online monitoring device for metal 3D laser printing, comprising a support, a column on the support, two cantilever rods slidably arranged on the column, and the two cantilever rods can be rotated around the column independently. There is an adjustment seat slid on the rod, and the adjustment seat can be rotated around the cantilever rod. The adjustment seat is rotated with a track plate, and the track plate is slid with a mounting seat, and a camera assembly is fixed on the mounting seat; it can automatically grab the 3D laser When printing images, the dual-camera hardware device can realize multi-angle detection and position adaptive adjustment, without space constraints, the camera adjustment accuracy is high, and adaptive image overlap can be achieved, with high efficiency and reliability.

Embodiments of the present application provide an under-display optical device and a detection method for a display screen film. The under-display optical device is suitable for a terminal device with a display screen. The under-display optical device includes an optical sensor module. The sensor module is used to be arranged under the display screen to realize optical image acquisition under the screen; the optical sensor module includes: an optical sensor, which includes an optical sensing array with a plurality of photosensitive pixels, and is used to receive and detect light emitted by a light source. The detection light is reflected or scattered by the target object above the display screen to form a detection light signal, and the received detection light signal is converted into an electrical signal; wherein the electrical signal is used to detect the detection The size of the light spot formed by the optical signal on the optical sensor. In the embodiment of the present application, it can be judged whether there is a film on the display screen, and algorithm optimization is performed on the optical image acquisition or processing according to the result of the film detection.

The invention discloses an image acquisition device, method and equipment, relates to the technical field of image acquisition, and aims to solve the problem of poor image acquisition quality of the image acquisition device in the existing defect detection. The image acquisition device includes: a base part, the base part includes an electric cabinet box and a first mobile module and a first moving guide rail horizontally arranged on the upper surface of the electric cabinet box, and a control device is arranged in the electric cabinet box; a column part, a column part It includes a column frame, and the two legs of the column frame are respectively slidably connected with the first moving module and the first moving guide rail, and the first moving module is used to drive the column component to move along the first horizontal direction; the top part, the top part includes a The top frame on the column part and the photographing module arranged on the top frame, the photographing module is used to photograph the sample to be tested placed on the base part. The embodiment of the present invention can make the shooting module adjust the shooting angle according to the position change of the sample to be tested, thereby improving the image shooting quality.

The invention discloses an external synchronous signal card and an image collection system for a linear array camera. The external synchronous signal card for the liner array camera comprises an impulse signal input end for receiving first impulse signals, an external synchronous trigger signal output end for outputting external synchronous trigger signals, and an impulse signal processing module which is respectively connected with the impulse signal input end and the external synchronous trigger signal output end. The impulse signal processing module can be used for performing level switching on the first impulse signals to obtain external synchronous signals and counting the first impulse signals when the impulse signal input end receives the first impulse signals. The embodiment of the external synchronous signal card and the image collection system for the linear array camera can control the linear array camera to collect images in preset areas and has the advantages of being high in quality of image collection.

The invention discloses a parameter configuration method and device. The method includes: acquiring the image data of the reference medium according to the first preset constant current source parameter, the first preset AD bias parameter, the first set AD gain parameter or the second set AD gain parameter, and acquiring the current captured image respectively The first pixel mean value and the second pixel mean value of the data; according to the first set AD gain parameter, the first pixel mean value, the second set AD gain parameter and the second pixel mean value, obtain the gain slope value; according to the first set AD gain parameter and the second pixel mean value; Two preset constant current source parameters, the second preset AD bias parameter and the gain slope value, adjust the AD gain parameter to the current AD gain parameter, and collect the image data of the reference medium to obtain the current gain image data; if the current The gain image data satisfies the first preset condition, and the current AD gain parameter is set as the optimal AD gain parameter. The configuration parameter process is realized to be based on evidence, the consistency of image acquisition data is improved, and the image acquisition quality is improved.

The invention belongs to the technical field of machine vision, mechanical design and automatic control and relates to an automatic bee pollen screening device and a screening method. The device comprises an automatic feeding module, a dispersion shaping module, a visual inspection module and a sorting dust removal module. Bee pollen to be sorted is poured into a storage barrel of the automatic feeding module; the bee pollen is supplied to a V-shaped groove plate of the dispersion shaping module through an eccentric vibration motor, performs climbing movement on the V-shaped groove plate, is uniformly dispersed, falls on a conveying belt to be shaped and then moves forwards at a constant speed; image acquisition is performed through an image acquisition unit of the visual inspection module; image information is processed through built-in computer software and then transmitted to a programmable logic controller (PLC) to be controlled so as to control the actions of the eccentric vibration motor and a spray nozzle, and the bee pollen is screened. By means of the automatic bee pollen screening device and the screening method, the problems that small-particle bee pollen is prone to being broken, irregular in shape, difficult to disperse and sort and not obvious in color difference are solved, and the sorting speed is increased under the condition that the sorting accuracy is guaranteed.

The invention discloses an insertion and connection type electronic visual lens group endoscope structure, which comprises an insertion and connection part, an endoscope pipe, an image pickup module and a light source module, wherein the endoscope pipe is connected onto the insertion and connection part, and comprises lens groups arranged in the center of the endoscope pipe and a light guide optical fiber which surrounds the endoscope pipe and extends in the longitudinal direction of the endoscope pipe; the light guide optical fiber is clustered in one side at the root part of the endoscope pipe, is in bias extension and is fixed in the insertion and connection part; a light source in the light source module is correspondingly irradiated at the root part of the light guide optical fiber. Through the arrangement of a plurality of lens groups in the endoscope pipe, a high-quality optical image can be obtained, so that the image is directly received by the image pickup module arranged at the root part of the lens groups, and the high-quality optical image is obtained; meanwhile, one bias structure is used, so that the light source is annularly conveyed to the periphery of the lens from the root part of the endoscope pipe by the light guide optical fiber, so that the imaging quality of the endoscope is further improved.