30 results about "Direct reading" patented technology

1. Name of the designed product: water meter (photographing direct reading) 2. Use of the designed product: for measuring water volume. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: front view.

The utility model discloses a drawing measuring device which comprises a first ruler and a second ruler, one end of the first ruler is rotatably connected with the second ruler, the other end of the first ruler is connected with a circular angle measurer, the angle measurer, the first ruler and the second ruler are all provided with scale marks and scale values, and the middle of the angle measurer is hollowed out. The center of the angle measurer is rotatably connected with two indicating fingers, one side of the outer end of each indicating finger extends to a scale line of the angle measurer, the first ruler and the second ruler are slidably connected with sliding indicating sleeves, and the first ruler, the second ruler and the angle measurer are all made of transparent materials; the two pointers are rotationally arranged on the angle measurer, so that one or two pointers can be rotationally used during angle measurement, the pointers are attached to the side line of the angle to measure the angle, and the outer ends of the pointers extend to the scale marks of the angle measurer, so that different length line segments of the angle can be conveniently measured. And direct reading is facilitated.

The invention discloses a calibration device of smoke dust concentration direct-reading equipment. The calibration device comprises the following steps: simulating circulating flue gas in a flue; the to-be-calibrated smoke dust concentration direct reading equipment comprises a sampling pipe and a flow velocity measurer; the sampling pipe extends into the simulation flue, and the diameter of the sampling pipe is Dm; the flue gas flow velocity measured by the flow velocity measurer is V to-be-calibrated m / s; the aerosol generating device comprises an aerosol generating pipeline and an injector; the aerosol generating pipeline is used for providing aerosol into the sampling pipe; the injector provides a particle solution into the aerosol generation pipeline, the concentration of the particle solution is rho g / L, and the injection flow is Q liquid L / min; the host comprises a standard flow velocity measurer, and the flue gas flow velocity measured by the standard flow velocity measurer is V standard m / s; the sampling time is t, and the total weight M of the particulate matters injected into the sampling pipe is rho * Q liquid * t; the total volume Q < total > of particulate matters sucked by the calibrated smoke concentration direct reading equipment is equal to V < standard > * (D2 / 4) * t; sampling standard concentration rho standard = M / Q total; the concentration of the aerosol flowing into the sampling pipe measured by the to-be-calibrated smoke dust concentration direct reading equipment is rho calibrated, the correction coefficient K concentration is equal to rho standard / rho calibrated, and the correction coefficient K flow velocity is equal to V standard / V calibrated. The calibration accuracy of the smoke concentration direct-reading equipment can be improved, and the smoke concentration detection accuracy of the smoke concentration direct-reading equipment can be improved.

The invention relates to the technical field of leather film meters, in particular to a pulse-free leather film meter based on the photoelectric direct reading technology, a photoelectric direct reading part comprises a plurality of number display parts, ten numbers from 0 to 9 are evenly and fixedly arranged on the outer rings of the number display parts from small to large, a light-emitting tube is fixedly arranged on the left side of each number display part, and a receiving tube is fixedly arranged on the right side of each number display part. A high-precision injection molding optical fiber is fixedly arranged in the middle of the light-emitting tube and the receiving tube, the light-emitting tube and the receiving tube are both fixedly arranged on the main PCB, and the main PCB is fixedly arranged in the photoelectric direct-reading part; when natural gas flows through the photoelectric direct reading part and the leather film meter body, the flowing natural gas generates pressure on the thin film in the leather film meter body and pushes the thin film to generate corresponding displacement, the thin film generates elastic deformation due to displacement, the displacement of the thin film is in direct proportion to the volume of the flowing natural gas, and the thin film pushes the character wheel part to rotate during displacement. The volume of the natural gas flowing through the leather film meter body is recorded, and the more the flowing natural gas is, the larger the rotation amplitude of the number display part is.

The application discloses a kind of throwing javelin gravity center measuring devices, including base plate, scale, sliding frame, sliding frame locking mechanism, tool holder and zero position back plate;Scale is set on its upper surface along the length direction of base plate;Sliding frame is slidably arranged on base plate;Tool holder is fixed on sliding frame and located above scale, one end of tool holder is provided with reading indication vertical surface, the other end is provided with inclined plane, and the inclined plane and reading indication vertical surface form support edge by intersection;Zero position back plate is installed at the end of base plate, and the end face towards tool holder is aligned with scale zero scale line.The application can realize the direct reading of gravity center position, with high measurement efficiency, good precision, simple structure and easy to carry.The application can realize the direct reading of gravity center position, with high measurement efficiency, good precision, simple structure and easy to carry.

The application provides a mask plate and a calibration method of a photoetching machine. The measurement mark on the mask plate comprises a first pattern and a second pattern, the first pattern and the second pattern have a common point, and the first pattern and the second pattern are provided with scale patterns. In the calibration process, the standard photoetching machine is taken as a reference, the measurement mark is exposed on the standard photoetching machine and the photoetching machine to be calibrated respectively, the deviation of the common point is directly read and the parameter is corrected, the calibration of the field center is realized, the error of the exposure field size and the wafer placement error can be obtained through direct reading and calculation. The measurement mark can not only obtain the two-degree-of-freedom position deviation, but also obtain the rotation deviation, and the measurement precision of the wafer placement error is improved. In addition, the photoetching machine to be calibrated can be taken as a reference datum, and the relative displacement of the wafer placement under different wafer placement angles can be calibrated. Therefore, the application not only improves the calibration efficiency and guarantees the precision of photoetching, but also has diversified application scenes, good universality and wide application range.

This utility model relates to the field of spectrometer technology and discloses a mobile direct-reading spectrometer, including a body with a display screen on the top. A port slot is located on one side of the body, and a bracket is located on the other side of the port slot. A connecting assembly is provided between the bracket and the body. The connecting assembly includes a connecting plate, one side of which is fixedly connected to the outer wall of the bracket. An argon cylinder is housed inside the bracket, and a connecting seat is fixedly connected to the other side of the body. A connecting pin passes through the connecting plate, and a slot is formed inside the connecting seat. In this utility model, the bracket is inserted into the connecting seat after passing through the connecting plate via the connecting pins on both sides. Rotating the bolt causes a conical column to extend into the connecting pin, and the outer wall of the conical column, in contact with a steel ball, pushes it out from the connecting pin. This facilitates the assembly of the argon cylinder bracket, solving the problem of needing tools to assemble the spectrometer when connecting it to the argon cylinder bracket, and improving the convenience of the spectrometer.

The utility model relates to an Internet of Things water meter convenient to install. At present, when a water meter of the internet of things is installed, a bolt is adopted to be connected with a butt flange frame, and bolt connection operation is tedious. Installation workers need to tighten bolts one by one, and the process consumes much time. The Internet of Things water meter convenient to install comprises a water meter body and an image source camera shooting direct-reading meter reading device, the upper portion of the water meter body is connected with a transparent shell of the image source camera shooting direct-reading meter reading device, and an elastic buckle assembly is connected between the water meter body and the image source camera shooting direct-reading meter reading device; the elastic buckle assembly is composed of an upper elastic locking mechanism installed on a shell of the graph source camera shooting direct-reading meter reader and a butt joint mechanism installed at the position of an annular clamping groove of the water meter body. The elastic locking mechanism comprises a base, a left elastic frame, a right elastic frame, a compression spring and a rotating shaft, and the left elastic frame and the right elastic frame are rotationally connected with the base through the rotating shaft. The utility model is applied to the field of Internet of Things water meters.

An embodiment of the present invention provides a method, device, electronic device, and medium for processing a rendered image. The method includes: obtaining automatic exposure data pre-baked based on preset sampling points in a virtual scene; determining target exposure data for the current frame of the rendered image from the automatic exposure data of each preset sampling point according to the virtual camera position and current observation direction of the current frame of the rendered image; and performing exposure control on the rendered virtual scene according to the target exposure data to obtain a final rendered image. By utilizing a method of exchanging space for time, the exposure data for exposure control is calculated based on the direct reading of pre-baked data using the virtual camera position and observation direction. This reduces video memory consumption and computational complexity, making the final rendered image on the device more realistic and clear, and enabling the display of human-eye-adaptive images on high-energy-consuming mobile devices.

The utility model relates to a multifunctional platform for testing a gas spring, which belongs to the technical field of gas spring testing equipment and comprises a processing table, a mounting frame and a clamping assembly are arranged at the top of the processing table, a limiting assembly and a second measuring assembly are arranged at the bottom of the mounting frame, and a first measuring assembly is arranged at the top of the clamping assembly. The beneficial effects of the utility model are that through the arrangement of the first measuring assembly, when the device is in use, the gas spring is installed inside the clamping assembly, the diameter dimension of the gas spring can be measured by moving the position of the measuring ruler, the surface of the measuring ruler is printed with scale marks, direct reading is facilitated, and the measuring ruler can move and can also overturn back and forth, so that the measuring ruler is convenient to use. The device is very convenient and rapid to use, greatly improves the measurement efficiency, does not need an additional device to measure the size, is simple in material taking, and is lower in cost.

The present application belongs to the technical field of medical image processing and deep learning, and discloses a method, system, device and terminal for identifying neonatal hyperbilirubinemia, which selects appropriate images from collected magnetic resonance image data as templates, performs registration operation on the remaining samples and the templates, extracts effective regions from the registered data, divides a plurality of small regions in the effective regions and extracts relevant features of the small region images, builds a graph convolutional neural network model for classification, analyzes the relevant performance of the graph convolutional neural network model by calculating corresponding indexes, combines the attention mechanism in the graph convolutional neural network to locate the model region, optimizes the classification performance by using the located region, and completes the prediction task of neonatal hyperbilirubinemia. The present application reduces the inter-observer error caused by direct reading by using a deep learning model and a supervised learning method with labeled data, and optimizes the identification performance.

The invention provides a character rendering method, a multi-channel sound console and a program product, and relates to the technical field of character rendering. The character rendering method comprises the steps that characters to be displayed currently are obtained, target rendering information corresponding to the characters is obtained from a rendering file in external storage according to the characters, the target rendering information comprises character indexes and bitmaps, and storage of the rendering file comprises the steps that a font file is generated through LVGL, a rendering information array in the font file is converted into the rendering file, and the rendering file is displayed according to the target rendering information. Burning the rendering file to an external storage; and performing character rendering based on the target rendering information. According to the embodiment of the invention, direct reading of the external character library can be realized on the single-chip microcomputer, the renderable character types are effectively expanded, the character rendering cost is low, the actual use requirements can be effectively met, and the use experience is improved.

The invention provides a literature processing method and device, equipment, a storage medium and a program product, and belongs to the technical field of data processing.The literature processing method comprises the steps that a to-be-processed literature and a first field classification are obtained; determining a first guide word based on the first domain classification; inputting the first guide word and the to-be-processed literature into a segmentation model to obtain the to-be-processed literature with segmentation information output by the segmentation model; the to-be-processed literature with the segment information is input into the extraction model, a literature summary output by the extraction model is obtained, and the literature summary comprises abstract data of the to-be-processed literature, method data recorded by the to-be-processed literature and conclusion data of the to-be-processed literature. According to the method, the to-be-understood literature is processed through cooperative training and using of the segmentation model and the extraction model, then the literature summary is generated, a user can directly read the literature summary to understand the to-be-processed literature, and in the process, the literature understanding difficulty is reduced, and meanwhile the literature understanding efficiency is improved.

The invention discloses an off-axis amount direct-reading device of an off-axis parabolic mirror. In the measuring process, the off-axis amount of a measured piece can be directly read through a short ruler and a long ruler of the off-axis amount direct-reading device. According to the invention, the focus of the off-axis parabolic mirror is accurately positioned to the zero scale of the long ruler by arranging the hemispherical mirror, enabling the sphere center of the hemispherical mirror to coincide with the zero position of the long ruler and positioning the sphere center of the hemispherical mirror to the cofocal point of the interferometer lens and the off-axis parabolic mirror; the requirement that the ruler surface is completely perpendicular to the optical axis of the off-axis paraboloid is met through a judgment method that short ruler mirror surface reflection returns to the interior of the interferometer through a cofocal point; and finally, the direct reading of the off-axis amount is realized by aligning the positions of the light spots. Compared with a measurement method in the prior art, the measurement precision is greatly improved, and a clear and reliable standard is provided for off-axis measurement.

The utility model relates to the technical field of meters, and discloses a water meter photoelectric direct reader waterproof and dustproof sealing structure which comprises a photoelectric direct reader body, a waterproof cover is slidably connected to the upper surface of the photoelectric direct reader body, a connecting frame is fixedly connected to the outer wall of the waterproof cover, and a handle is slidably connected to the interior of the connecting frame. A telescopic rod is fixedly connected to the outer wall of the handle, a first spring is slidably connected to the outer wall of the telescopic rod, a fixing block is fixedly connected to the outer wall of the telescopic rod, and the outer wall of the fixing block is fixedly connected to the interior of the connecting frame. According to the waterproof cover, the handles on the two sides are pressed at the same time, then the clamping rods are driven to slide in the limiting grooves, the telescopic rods are squeezed at the same time, then the telescopic rods contract and compress the first springs at the same time, and when the clamping rods slide in the clamping grooves, clamping of the connecting blocks is lost, and then the waterproof cover can be rapidly mounted or dismounted; the waterproof cover can be quickly mounted or dismounted according to needs while the waterproof performance is ensured.

The embodiment of the invention provides a visual design processing system based on metadata driving, and the system comprises a metadata loading module which is used for reading and analyzing a metadata definition in a storage medium; the visual design module is used for providing a graphical design interface and receiving user operation; the attribute configuration module is used for providing a component attribute editing function; the real-time rendering module is used for directly reading the metadata and generating visual output; the metadata operation module is used for providing a direct operation interface for metadata; the version management module is used for recording the modification history of the metadata; the persistent storage module is used for storing the metadata in a storage medium; an intermediate conversion link is eliminated through a metadata direct reading technology, real real-time design and preview synchronization is realized, the learning cost and the use threshold are greatly reduced, cross-platform and cross-framework use of a design result is ensured by adopting a declarative metadata description mode, the portability and reusability of metadata are improved, and the development efficiency is remarkably improved.

The utility model discloses a water meter camera direct -reading structure belongs to water gauge technical field. A water meter camera direct -reading structure, including transparent casing, still include: a pair of hoop board for fixing transparent casing on watch case, the rotation of hoop board is provided with outer tube, the inner thread of outer tube is connected with inner tube, and the top of inner tube is fixedly provided with the ring, and the one end fixedly provided with the bottom plate of transparent casing extends to the inner tube, and the top and bottom of bottom plate are respectively with the ring and watch case top and the bottom are in abutment, and the fixed setting of hoop board has the ring, and the top of ring and watch case bottom abut, the rubber wiper strip of rotation setting in transparent casing is used for cleaning the water mark of watch case glass surface, the utility model discloses through utilize hoop board and limit outer tube on watch case outer wall, then make transparent casing pass through inner tube thread connection on outer tube, when to transparent casing is equipped with, need not to take down hoop board, can improve the installation and removal efficiency, and the convenient maintenance of the component in transparent casing is carried out.

The communication line protection structure comprises a water meter body, a connecting pipe communicated with the interior is fixedly installed on the outer wall of the water meter body, a sealing sleeve is slidably installed in the connecting pipe in a sealed mode, and two connecting frames are fixedly installed on the outer wall of the water meter body; and connecting blocks are fixedly installed in the two connecting blocks through screws, the outer walls of the two connecting blocks are jointly and fixedly connected with a connecting frame through connecting mechanisms, and a two-way screw rod is rotationally installed in the connecting frame. By arranging the bidirectional screw, the moving block, the clamping plate, the non-slip mat, the locking nut and other assemblies, stable clamping of the communication line can be achieved, when the bidirectional screw rotates, the moving block drives the clamping plate to accurately move to adapt to communication lines of different specifications, a V-shaped opening of the non-slip mat adapts to communication lines of different diameters, universality is enhanced, and the clamping device is convenient to use. The locking nut fixes the two-way screw, so that clamping stability is guaranteed, loosening or breakage of the communication line is avoided, and continuous data transmission is guaranteed.

The utility model discloses a gradient detection device which comprises a detection main body assembly and a measurement assembly, the top of the detection main body assembly is provided with an installation groove matched with the measurement assembly, the measurement assembly is installed in the groove in a rotating mode, and the rear end of the detection main body assembly is provided with a positioning assembly. An adjusting assembly is arranged at the rear end of the measuring assembly. The detection main body assembly comprises a main body shell, an arc-shaped observation hole is formed in the position, close to the left side, of the front end of the main body shell, and the detection main body assembly is provided with the holding hole with the anti-skid lines, so that the holding stability and the moving flexibility are improved; through the measuring assembly, rapid gear disengagement / engagement can be realized through an anti-skid knob, and through combination of a spirit bubble reference and a pointer direct-reading scale, operation is simple and convenient and detection is rapid. And the rubber block is automatically positioned, the storage is efficient, and compared with a traditional device, the holding, operating and resetting processes are optimized, and the convenience and the detection efficiency are improved.

The utility model discloses a desktop remote image read-write device with a light blocking structure, comprising a housing, an optical amplification system arranged in the housing, and a window arranged on the front side of the housing; the shell is placed on a desktop through the support, a desktop area used for placing books is arranged below the shell, light reflected by the books placed on the desktop area enters from the bottom of the shell, passes through the optical amplification system and then enters the exit pupil position from the window, and a virtual image at least 3 meters away from the exit pupil position is formed. And the light blocking structure is arranged on the front side of the shell, is lower than the position of the window, and is arranged between the exit pupil position and the desktop area so as to prevent light from irradiating to the exit pupil position from the desktop area. According to the desktop far image read-write device, by arranging the light blocking structure, a user can be effectively prevented from directly reading a book placed on the desktop in the using process, and stray light reflected by the desktop area is prevented from directly entering eyes to affect imaging.

1. Name of this design product: Graphical user interface for AI-assisted reading for electronic devices. 2. Purpose of this design product: for use in an electronic device. 3. The key design point of this design product lies in the graphical user interface. 4. The picture or photo that best illustrates the key points of the design: Main view of Design 1. 5. Omit the rear view, left view, right view, top view and bottom view of each design. 6. Designate Design 1 as the base design. 7. Purpose of the graphical user interface: used for AI-assisted user reading interface display and human-computer interaction. 8. Description of the changing state of the graphical user interface: Taking the Design 1 main view as the benchmark, the Design 1 main view is the interface in which the "AI Outline" window automatically pops up when the user enters the page of the content to be read. The content to be read can be an article, instruction manual or insurance clauses as shown in the Design 1 main view reference diagram; click the close button (the × button in the upper right corner) in the upper right corner of the "AI Outline" window of the Design 1 main view to jump to the Design 1 changing state diagram 1, where you can close the window and read the complete content directly; click the "View AI Outline" button in the lower left corner of the Design 1 changing state diagram 1 to jump to the Design 1 changing state diagram 2 to read the AI ​​outline of the content; slide up the Design 1 changing state diagram 2 to read other contents of the AI ​​outline. After reading the AI ​​outline, jump to the Design 1 changing state diagram 3. The Design 1 Main View Reference Drawing is the reference drawing of the Design 1 Main View, and the Design 1 Changed State Reference Drawing 1‑3 is the reference drawing of the Design 1 Changed State Drawing 1‑3. Taking the Design 2 main view as the benchmark, the Design 2 main view is an interface in which the "AI Outline" window automatically pops up when the user enters the page of the content to be read. The content to be read can be an article, instruction manual, or insurance clauses as shown in the Design 2 main view reference diagram; click the "View AI Outline" button in the Design 2 main view to jump to the Design 2 change state diagram 1, where you can read the AI ​​outline of the content; slide up the Design 2 change state diagram 1 to read other contents of the AI ​​outline. After reading the AI ​​outline, jump to the Design 2 change state diagram 2; click the close button (the × button in the upper right corner) in the upper right corner of the "AI Outline" window in the Design 2 change state diagram 2 to jump to the Design 2 change state diagram 3, where you can close the window and directly read the complete content. The Design 2 Main View Reference Drawing is the reference drawing for the Design 2 Main View, and the Design 2 Change State Reference Drawing 1‑3 is the reference drawing for the Design 2 Change State Drawing 1‑3. The “XX” in each view represents text and / or numbers.

1. The name of the design product: water meter (wireless remote camera direct reading instrument). 2. The use of the design product: the design product is used for wireless remote camera direct reading. 3. The design points of the design product: the combination of shape and pattern. 4. The picture or photo that best indicates the design points: perspective view.

The utility model relates to a composite contact silver layer bonding strength detection machine, and aims to solve the technical problem that the stability of a composite contact in silver layer bonding strength detection cannot be ensured at present, so that the detection data is not accurate enough, and the composite contact silver layer bonding strength detection machine comprises a device main body, an active pressing block and a passive pressing block, a supporting frame is arranged on one side of the control frame, and a fixing frame is arranged on the opposite sides of the control frame and the supporting frame. The device has the advantages that stable extrusion is kept, and meanwhile the visual display condition of strength extrusion on a composite contact can be conveniently and rapidly observed; meanwhile, after the sizes of the two ends of the composite contact are determined to be associated with the sizes of the fixing frame, the comparison block and the scale groove, in the extrusion process, the movement distance of the comparison block driven by the fixing frame is compared with the display length of the scale groove, and the reserved size of the composite contact extruded to a certain limit is further obtained; and direct reading of strength detection data of the silver layer of the composite contact is facilitated.

The application provides a work fixture for testing multiple-structure samples by a direct-reading spectrometer, and relates to the technical field of the direct-reading spectrometer. The direct-reading spectrometer comprises an instrument body, an excitation table arranged on the instrument body and a spark excitation source. The work fixture for testing multiple-structure samples comprises a fixing structure. The fixing structure comprises a fixing column arranged on the top of the excitation table. A first threaded rod is welded to the top of the fixing column. By arranging the fixing structure, a pushing structure and a limiting assembly, the irregular sample is preliminarily fixed by the threaded column. Then, the height of the adjusting plate is adjusted according to the height of the irregular sample. Subsequently, the pushing table is moved to drive the movement of the irregular sample, so that the top end of the irregular sample contacts and presses the rubber sleeve. At this time, the extruding rod rotates. Finally, the irregular sample is extruded and fixed by the downward extruding force of the extruding rod and the elastic force of the rubber sleeve, so that the subsequent operation of the irregular sample by the spark excitation source is facilitated.

1. Name of the product in this design: Camera direct-reading water meter. 2. Purpose of this design: A water meter. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The utility model relates to the technical field of ground settlement observation, concretely to a ground settlement observation scale, including support cylinder, the middle part of the top inner wall of support cylinder is fixed with guide rod, and the outer wall of guide rod is slidably provided with guide sleeve, the outer wall of guide sleeve is fixed with the movable cylinder of sleeve setting in the outside of guide rod, and the bottom fixed mounting of movable cylinder has embedded plate, the outer wall of movable cylinder and the outer wall of support cylinder are provided with measuring assembly, the top fixed mounting of support cylinder has universal level, and the outer wall of support cylinder is provided with the verticality adjusting assembly of equidistance distribution, the utility model can realize direct reading to settlement data, and through the mutual cooperation of multiple verticality adjusting assemblies, can fine tune support cylinder from different directions, ensure that the scale can also reach vertical state under the complex ground environment fast, solved the problem that the present scale is difficult to guarantee the verticality precision of surveying datum because of lacking convenient adjusting mechanism.

The invention provides a non-iterative optimization off-axis amplitude hologram generation method. Performing off-line optimization and storing the initial phase; reading the stored optimized initial phase, the specific target intensity distribution of the combined object plane and the complex amplitude distribution of the resultant plane; the object plane complex amplitude is propagated to a holographic surface through a band-limited angular spectrum method; and encoding the complex amplitude of the holographic surface into an off-axis amplitude hologram by using off-axis reference light. According to the method, an initial phase is generated and stored in an off-line optimization mode, the initial phase can be directly read and utilized when the hologram is coded, the calculation time of the hologram is not increased, non-iterative optimization of the off-axis amplitude hologram is achieved, conjugate image noise and speckle noise can be eliminated through frequency domain filtering during reconstruction, and the reconstruction efficiency is improved. And the quality of the reconstructed image can be further improved through time multiplexing.

According to the automatic leveling reading bookshelf, thick, thin, large and small books can be automatically flattened for direct reading only through one-step operation, no adjustment is needed, the bookshelf cannot shield any book characters, and the pitching angle between the books and a desktop can be easily adjusted to meet the reading requirement.

This invention discloses a method for reading information from highly distorted two-dimensional dot matrix images. It includes: (1) image morphological preprocessing and binarization; (2) image center calibration and cropping; (3) estimation of the grid angle of the main direction of the dot matrix; (4) calculation and processing of differential polarity alternation sequence; (5) recursive determination using the minimum dot spacing in the secondary direction as a threshold; (6) dynamic vector parameter search and centroid correction; and (7) transposition, expansion, splicing, and information conversion of multiple matrices. This invention is a highly reliable and effective information reading method based on printed quantum dots. It is a fast and accurate non-corrected direct reading method for reading anti-counterfeiting marks, images, or text information hidden in printed images. This method overcomes the shortcomings of existing printed quantum dot technology in terms of anti-fouling and anti-distortion, as well as the deficiencies in the effectiveness of information reading methods.