472 results about "Mobile phone camera" patented technology

The invention discloses a mobile phone anti-theft system and method based on a camera and a GPS (Global Position System) of a mobile phone. The mobile phone anti-theft system comprises a mobile phone CPU (Central Processing Unit), a microprocessor, a camera driving module, an input module and an unlocking detection module, wherein the input module is connected with the unlocking detection module; the unlocking detection module is connected with the mobile phone CPU; and the mobile phone CPU is connected with the camera driving module through the microprocessor. Compared with the prior art, the mobile phone anti-theft system and method provided by the invention have the advantages as follows: an unlocking operation is carried out when the mobile phone is used after the mobile phone is lost or stolen, and a background operation program which is installed in the mobile phone is triggered and started when the unlocking operation is inaccurate; and a user who currently uses the mobile phone is positioned and photographed through a GPS module and the camera of the mobile phone; meanwhile, obtained information is sent to a mailbox or other addresses which are specified by the user in time, so that the user is convenient to alarm and can find the mobile phone back accurately in time, and the problems of the mobile phone loss and personnel information release of the user can be solved.

The invention discloses a teaching implementation method based on combination of motion perception and AI driving, and relates to the technical field of education and teaching. The implementation of the teaching method comprises the steps of multi-modal data expansion and acquisition, cross-dimensional dynamic evaluation and cognitive diagnosis, emotion adaptive feedback and intervention, cross-scene learning map construction and capability migration, and whole-process data closed loop and systematic evolution. And the multi-modal data expansion acquisition comprises the steps of dynamic data acquisition, physiological data acquisition, environmental behavior data acquisition and data preprocessing. The method has the advantages that a multi-modal data acquisition scheme of a common mobile phone camera and a built-in sensor is adopted; the system replaces the traditional dance teaching which depends on special three-dimensional modeling equipment and sensor gloves for boxing teaching, reduces the hardware cost, can realize full scene coverage of families, classrooms, outdoors and the like without professional site deployment, and solves the core problems of high hardware cost and limited scenes in the prior art.

The invention discloses a method and device for detecting color reducibility of a mobile phone camera and a medium, and relates to the technical field of image quality detection.The method comprises the steps that after geometric alignment is conducted on a color card image set, color block areas are divided, and a cross-light-source color block observation matrix is obtained through color block feature extraction; converting the cross-light-source color block observation matrix into a target color space coordinate, and performing illumination correction to obtain a cross-light-source color coordinate matrix; inputting the cross-light-source color coordinate matrix into a deep learning model, outputting a color block level high-dimensional color embedding matrix, and obtaining a high-dimensional color embedding vector set corresponding to the tested mobile phone camera in combination with an attention weight; calculating a color reducibility error index based on the high-dimensional color embedding vector set in combination with the standard reference library; and performing qualification judgment according to the color reducibility error index to generate a qualification detection conclusion. According to the invention, a stable and reliable technical basis is provided for camera quality detection under a multi-light-source imaging condition.

The invention discloses a high-weather-resistance photocuring coating with radar infrared stealth and intelligent anti-counterfeiting functions and preparation, and relates to the technical field of special functional materials. According to the coating, stealth, anti-counterfeiting and extreme environment tolerance are realized through multi-component collaborative design: matrix resin is prepared by compounding organic fluorine modified epoxy acrylate and polyurethane acrylate, and trifluoro propyl trimethoxy silane and polyoxyethylene ether block copolymer are introduced, so that weather resistance is improved; the photo-initiation system contains a free radical / cation composite initiator and a low-temperature initiator, and supports wide-temperature-range curing. The functional filler comprises a core-shell complex and carbon nanotube / graphene composite powder, and uniform dispersion of the filler is realized through a gradient grinding process. The method is suitable for military equipment camouflage, aerospace protection and criminal investigation anti-counterfeiting, 800-1400 [mu] m thermal radiation matching, radar wave absorption and mobile phone camera readable encryption information are achieved, and an innovative solution is provided for high-end equipment protection and information safety.

The present disclosure relates to the field of optical lens, and discloses a camera optical lens, including from an object side to an image side: a first lens having positive refractive power, a second lens having negative refractive power, a third lens having negative refractive power, a fourth lens having positive refractive power, a fifth lens having negative refractive power, a sixth lens having positive refractive power, and a seventh lens having negative refractive power; and the following relational expressions are satisfied: −0.300≤Sin(A1.0out14)*R14 / f7≤0.003; 1.05≤(f1+f2+f3+f4) / (f5+f6+f7)≤2.30; −1.40≤Sin(A0.8out8)*R8 / f4≤0.10. The camera optical lens according to the present disclosure has excellent optical characteristics of sufficient aberration correction, large aperture, wide-angle, ultra-thin, diversified structural design, and high sensor matching, and is particularly suitable for a mobile phone camera lens assembly and a WEB camera lens which are composed of camera elements such as CCD, CMOS with high definition and a vehicle-mounted lens.

The invention provides a method for collecting finger pulse health data based on a mobile phone camera of a mobile terminal, which comprises the following steps: S1, collecting a video, S2, preprocessing a photoelectric volume pulse wave PPG signal, S3, extracting an original photoelectric volume pulse wave PPG signal, S4, denoising the pulse wave signal, S5, averaging a single-cycle pulse wave, S6, calculating a pulse condition signal threshold-free recurrence plot, and S5, obtaining the finger pulse health data based on the pulse condition signal threshold-free recurrence plot. S7, establishing a pulse condition signal ensemble classification model; and S8, outputting a pulse condition classification analysis result. According to the method, the pulse oscillogram with high characteristic signals is obtained through deep algorithm research, in-depth systematic analysis is carried out on the pulse oscillogram in combination with medical theoretical knowledge, and effective and high-accuracy human health data analysis is established.

The invention relates to a small-caliber optical lens, and aims to realize the design targets of high imaging quality, ultra-wide field of view and miniaturization by optimizing parameters such as focal power, curved surface shape, thickness and the like of a lens. The lens is composed of four plastic lenses which are a first lens (P1) with negative focal power, a second lens (P2) with positive focal power, a third lens (P3) with positive focal power and a fourth lens (P4) with positive focal power in sequence from an object side to an imaging surface along an optical axis. The design meets various optical parameter conditions, for example, the focal length ratio (-2 < f1 / f2 <-0.5, 0.2 < f3 / f4 < 1.2), the relation between the effective focal length and the focal length of each lens (for example,-3.004 < f1 / f <-2.554) and the like. In addition, the four lenses are all XY polynomial curved surfaces, and the mechanical structure and the optical performance are optimized. The lens adopts the design of four plastic lenses, is compact in structure, is suitable for miniaturized equipment, can capture more light rays, is suitable for low-light conditions, and can be used for mobile phone cameras, security monitoring equipment and the like.

The invention discloses a three-dimensional scene reconstruction method for obtaining real three-dimensional data based on simple shooting, and the method comprises the steps: 1, carrying out the surrounding video shooting of a target object through a camera of a cellphone, and obtaining the video data containing the target object; 2, decomposing the video data into a plurality of image sequences according to frames, and optimizing the image sequences to generate an original image sequence; 3, performing streaming segmentation on the original image set frame by frame to obtain a mask sequence of the target object, and obtaining a foreground image sequence according to the mask sequence; step 4, performing camera pose estimation on the original image set; step 5, inputting the foreground image sequence and corresponding camera internal and external parameters into a 2DGS model to generate an initial three-dimensional scene; and step 6, performing fine processing on the generated three-dimensional scene, generating a color map and a depth map in the 2D three-dimensional scene for mapping a voxel network, and extracting a contour surface on the voxel network to obtain a final three-dimensional scene.

The invention relates to the technical field of medical instruments, and particularly provides a non-contact blood oxygen monitoring method and system based on mobile phone direct-current component calibration. The method comprises the following steps: acquiring a hand photoelectric volume pulse wave signal of a target user based on a constructed hand reflective light path of the target user, and extracting a hand direct current component and a hand pulsation component; first face video information of the target user is obtained, a face photoelectric volume pulse wave signal of the target user is collected, and a face direct current component is extracted; constructing a blood oxygen calibration model according to the hand direct current component, the hand pulsation component and the face pulsation component; second face video information of the target user is obtained, a direct current component in the second face video information is extracted and input into the blood oxygen calibration model, and current blood oxygen information of the target user is obtained. Through cooperative work of the front camera and the rear camera, the accuracy of continuous monitoring only depending on the front camera when the mobile phone camera is applied to daily blood oxygen monitoring is improved.

The present disclosure relates to the field of optical lenses, and discloses a camera optical lens. The camera optical lens sequentially includes seven lenses from an object-side surface to an image side: a first lens having positive refractive power, a second lens having negative refractive power, a third lens having negative refractive power, a fourth lens having positive refractive power, a fifth lens having negative refractive power, a sixth lens having positive refractive power, and a seventh lens having negative refractive power; and the following relational expressions are satisfied: 0.20≤H0.6r9 / IH≤0.30; 16.00≤f1 / H0.6r1*tan(semi-FOV)≤30.00; −6.00≤(H0.6r14 / d13)*(f7 / f)≤−3.00. The camera optical lens has excellent imaging performance, meets the design requirements of wide-angle, low sensitivity, good processability, miniaturization and sufficient correction of aberration, and is particularly suitable for a mobile phone camera lens assembly composed of camera elements such as CCD CMOS with high definition, a WEB camera lens assembly and a vehicle-mounted lens assembly.

1. The name of the design product: the back cover of a mobile phone. 2. The use of the design product: the overall use of the design product is to provide network communication, voice call, transaction processing (data storage, recording, picture browsing), etc.; the local use is to support and fix the camera of the mobile phone and protect the internal structure of the mobile phone. 3. The design points of the design product: the local shape to be protected. 4. The picture or photo that best indicates the design points: Design 1 perspective view 1. 5. Design 1 is designated as the basic design. 6. Other circumstances that need to be explained: the part not to be protected is indicated by a dashed line in the figure.

A camera optical lens sequentially includes seven lenses: a first lens having negative refractive power, a second lens having negative refractive power, a third lens having refractive power, a fourth lens having positive refractive power, a fifth lens having positive refractive power, a sixth lens having positive refractive power, and a seventh lens having negative refractive power. Following relational expressions are satisfied: 1.50≤f4 / f5≤3.40; 0.90≤R5 / R6≤1.40; 170≤FOV / Fno≤200. The camera optical lens according to the present disclosure has excellent optical characteristics of sufficient aberration correction, large aperture, wide-angle and ultra-thinness, and is particularly suitable for a mobile phone camera lens assembly and a WEB camera lens which are composed of camera elements such as CCD, CMOS with high definition, and a vehicle-mounted lens.

The utility model relates to the field of mobile phone camera modules, and discloses a miniaturized periscope lens module, which comprises a prism, a focusing part, a lens and a sensor part, the prism is U-shaped, the sensor part and the focusing part are respectively arranged at two ends of the prism and are positioned on the same side of the prism, the lens is arranged on the focusing part, the prism is provided with four reflecting surfaces, and the reflecting surfaces are arranged on the prism. Light enters from the lens and then enters the sensor part through four times of reflection. The periscope lens module is small in thickness and can be applied to a mobile phone.

1. Name of the product of this design: mobile phone camera and camera body. 2. Purpose of this design product: The overall purpose of this design product is to provide network communications, voice calls, transaction processing (data storage, recording, image browsing), etc.; the local purpose is to take photos or videos. 3. The key design feature of this design product lies in the local shape for which protection is sought. 4. The picture or photo that best illustrates the key points of the design: Design 1 Stereoscopic Figure 1. 5. Designate Design 1 as the base design. 6. Other matters requiring explanation: The dotted lines in the figures indicate parts that do not require protection.

The invention relates to a mobile phone camera light metering method and device for LED screen seam repairing. The method comprises the steps that LED lamp point images under five different preset focal lengths under initial parameters are collected; performing definition quantification processing on the LED lamp point image to obtain a clear lamp point image; establishing a Lorentz function model; setting a minimum residual sum of squares to iterate the Lorentz function model, and taking a function center of the Lorentz function model after iteration as a target focal length of the mobile phone camera; and obtaining a gray level histogram of the clear lamp point image, and taking the 100th gray level value as the target exposure of the mobile phone camera. The photographing parameters of the mobile phone camera can be automatically adjusted only by collecting a small number of screen sample images under different parameters. The mobile phone camera parameter adjustment is simplified into one-button automatic operation, the image quality needed by mobile phone seam repairing can be obtained without any professional knowledge, photographing can be completed only in several seconds, and the mobile phone seam repairing efficiency and quality are greatly improved.

A camera optical lens includes from an object side to an image side: a first lens having positive refractive power, a second lens having negative refractive power, a third lens having positive refractive power, and a fourth lens having negative refractive power; and following relational expressions are satisfied: 0.65≤f1 / f≤0.85; −1.50≤(f3−f4) / f2≤−0.80; 0.20≤(R3+R4) / f2≤0.80; 2.00≤d1 / d3≤7.00; and −3.50≤f234 / (d3+d5+d7)≤−2.50. The camera optical lens has excellent optical performance and is particularly suitable for a mobile phone camera lens assembly, and a WEB camera lens composed of camera elements such as CCD, CMOS for high pixels.

1. Name of the product in this design: Mobile phone case (water flow case). 2. Purpose of this design: To decorate the appearance of mobile phones, provide drop protection for mobile phones, and protect the mobile phone camera from dust. 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 invention discloses a mobile phone personalized sound effect adjusting method based on auricle shape recognition, which comprises the following steps: acquiring three-dimensional shape data of a user auricle through a mobile phone camera, and extracting key parameters such as contour feature points, concave depth and reflection angle of the auricle; calculating a propagation path, a reflection characteristic and a resonance characteristic of sound waves in auricles by using an acoustic modeling technology, and generating a personalized sound effect optimization model; calculating auricle sound insulation characteristics based on an acoustic modeling result, wherein the auricle sound insulation characteristics comprise external noise shielding capability and specific frequency band sound wave absorption capability; when the user answers the call, audio optimization parameters are dynamically generated in combination with the spectral characteristics of the surrounding noise, the frequency band characteristics of the call audio and the personalized sound effect optimization model; dynamically adjusting the audio output setting of the mobile phone based on the audio optimization parameters; according to the method, deep combination of the auricle form and audio optimization is realized, and the personalized auditory experience of the user is improved.

1. The name of this design product: Mobile Phone Case (Little Tornado). 2. Purpose of this design product: used to decorate the appearance of mobile phones, protect mobile phones from falling and protect mobile phone cameras from dust. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

An object of a system according to an embodiment is to accurately recognize a posture during training and provide guidance in real time.SOLUTION: A system includes a posture recognition unit, a difference calculation unit, an instruction unit, a superimposition unit, a motivation improvement unit, a moving image generation unit, and a nutrition value analysis unit. The posture recognition unit recognizes a posture during training using an image recognition technique on a moving image captured by a camera of a smartphone. The difference calculation unit calculates a difference between the posture recognized by the posture recognition unit and the video of the trainer. The instructor instructs the posture in a natural language in real time on the basis of the difference calculated by the difference calculator. The superimposition unit superimposes the posture of the user on the moving image of the trainer. The motivation improving unit provides a cheering message in a natural language. The moving image generation unit automatically generates an optimal training moving image. The nutrition value analysis unit analyzes the photograph of the meal to analyze the nutrition value.SELECTED DRAWING: Figure 1

The utility model discloses a mobile phone shell with a screen, which comprises a shell body, an ink screen, an arc-shaped magnetic sheet and a cover plate, and is characterized in that the shell body is provided with a mounting cavity matched with a mobile phone and a first mounting groove arranged opposite to the mounting cavity; the ink screen is arranged in a circular shape, the ink screen is arranged in the first mounting groove, and the ink screen can be in communication connection with external equipment; the arc-shaped magnetic sheet is arranged in the first installation groove and located on the peripheral side of the ink screen. The cover plate is connected with the shell and covers the first mounting groove, and the cover plate is provided with a visible area located above the ink screen. Through the arrangement, the ink screen and the arc-shaped magnetic sheets can be compactly arranged, the space utilization rate is high, the mobile phone shell of the technical scheme not only can display a personalized ink screen for a user, but also gives consideration to the magnetic attraction function of the mobile phone shell, the circular ink screen and the mobile phone camera module form an aesthetic response, the identification degree of a product is also improved, and the user experience is improved. And the overall aesthetic suitability of the mobile phone shell is high.

The application discloses a data collection system for providing multiple driving modes for a mobile phone camera coil, which comprises a power supply system module, a constant current or communication driving module, an AD collection module, a data storage module and a network port transceiving module; the power supply system module is used for providing corresponding voltage according to the working mode of the data collection system; an external controller specifies the working mode and provides parameters to the data storage module; the constant current or communication driving module is used for driving the mobile phone camera coil motor by using the driving mode determined by the working mode; the AD collection module is used for collecting data; and the collected data is uploaded to the external controller through the network port transceiving module. The data collection system of the application can meet the requirements of different environments and different manufacturers, and can overcome the defects of the prior art, such as single function, insufficient data collection capacity and no external control.

The application discloses an alarm positioning method and system based on 5G video multi-modal large model analysis, relates to the technical field of picture processing positioning, and comprises the following steps: acquiring a real-time video picture of a citizen's mobile phone camera, pre-processing, and obtaining a target video picture; extracting geographical information, spatial building information and key graphic information in the key frame picture to generate a spatial semantic information set; extracting dynamic scene content in the target video picture to obtain dynamic semantic information; performing range query on a preset positioning map according to the spatial semantic information set to obtain a target positioning range; comparing the spatial semantic information set and the dynamic semantic information with a comparison reference picture to obtain a comparison similarity; and screening a plurality of monitoring cameras according to the comparison similarity and determining an alarm position according to camera position information. The application has the effects of reducing the dependence on other operators when positioning an alarm person and improving the non-interactive and convenient nature of positioning.

The utility model relates to the technical field of mobile phone camera modules, and discloses a waterproof mobile phone camera module, which comprises a fixed outer frame, a waterproof shell is fixedly connected in the fixed outer frame, a camera module is fixedly connected in the waterproof shell, a sealing assembly is arranged in the waterproof shell, and the camera module is fixedly connected in the waterproof shell. The sealing assembly comprises a rubber sealing ring, the rubber sealing ring is fixedly connected to the interior of the waterproof shell, a secondary sealing ring is fixedly connected to the interior of the waterproof shell, and an infrared optical filter is fixedly connected to the interior of the waterproof shell. According to the utility model, through the combined action of the rubber sealing ring and the secondary sealing ring in the waterproof housing, dual-sealing protection is formed, moisture and dust are prevented from permeating through gaps, and the polyurethane hydrophobic coating further enhances the waterproof performance and ensures that water drops roll on the surface and are not detained on the surface of the module, so that the service life of the module is prolonged. The camera module can work normally in a wet or severe environment, and faults caused by water erosion are avoided.

The utility model relates to the field of mobile phone main lenses, and discloses a high-strength mobile phone main lens, which comprises a lens module and lens protection rings, three groups of lens protection rings are welded at the top end of the lens module, a lens is arranged in each group of lens protection ring, convex steps are processed at the outer edges of the top ends of the lens protection rings, and the convex steps are welded at the top ends of the lens protection rings. A main lens group is welded at the top end of the convex step; the main lens group comprises a group of frames pressed at the top ends of the convex steps, and diaphragms are welded in the frames. According to the high-strength mobile phone main lens, the frame and the diaphragm are made of a waterproof material, the outer lens and the inner lens are separated, so that water vapor in an external environment is prevented from directly permeating into the inner lens, and the whole mobile phone main lens has better dustproof and waterproof performance due to the double-layer protection design of the outer lens and the inner lens; the mobile phone main lens overcomes the defect that the existing mobile phone main lens is poor in protection performance in a humid environment, improves the strength of the mobile phone camera module, and solves the problem that the protection effect is insufficient due to the single structure of a single-layer lens.

1. Name of the product in this design: Disassembly and Inspection Counting Device (Pseudo-Camera Type). 2. Purpose of this design: This design is intended for installation inside a mobile phone to test the number of times the phone can be disassembled and for use as a mobile phone camera. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

1. The name of the product of this design: mobile phone camera. 2. Purpose of the product of this design: Overall use: used in mobile phones; Local use: used in mobile phone cameras. 3. The key design feature of this design product lies in the shape of the part for which protection is sought. 4. The picture or photo that best illustrates the key points of the design: Design 1 Stereoscopic drawing 1. 5. Designate Design 1 as the base design. 6. Other situations that need to be explained Other explanations: Designs 1 to 4 request protection for partial appearance designs. Designs 1 to 4 request protection for the camera part on the rear of the product. The parts that are not requested to be protected are drawn with dotted lines in the views of Designs 1 to 4.

1. Name of the design product: Mobile phone case (2). 2. Use of the design product: This design is used for decorating the appearance of the mobile phone, protecting the mobile phone from being dropped, and protecting the camera of the mobile phone from dust. 3. Design key points of the design product: lies in the shape. 4. Picture or photo that best shows the design key points: The front view of Design 1. 5. The left view of Design 2 is the same as the left view of Design 1, the right view of Design 2 is the same as the right view of Design 1, the top view of Design 2 is the same as the top view of Design 1, the bottom view of Design 2 is the same as the bottom view of Design 1. The left view, right view, top view and bottom view of Design 2 are omitted. 6. Design 1 is designated as the basic design.

1. Name of the product of this design: mobile phone camera. 2. Purpose of this design product: The overall purpose of this design product is to provide network communications, voice calls, transaction processing (data storage, recording, image browsing), etc.; the local purpose is to take photos or videos. 3. The key design feature of this design product lies in the local shape for which protection is sought. 4. The picture or photo that best illustrates the key points of the design: Design 1 Stereoscopic Drawing 1. 5. Designate Design 1 as the base design. 6. Other matters requiring explanation: The dotted lines in the figures indicate parts that do not require protection.

The application discloses a quantum random number generator, which uses an optical chip to replace a quantum optical system built by multiple independent optical components in an existing quantum random number generator to generate a quantum entropy source signal, meanwhile, uses an analog IC chip and a digital IC chip to replace signal processing parts such as an analog amplification filtering part, an analog-digital conversion part and a post-processing part built by multiple independent electronic chips in the existing quantum random number generator to process the quantum entropy source signal, and the optical chip, the analog IC chip and the digital IC chip are packaged on the same substrate, so that the quantum random number generator is chipped and integrated, that is, a quantum random number generator with small volume, low cost and large-scale production is provided, and can be applied to application scenarios such as mobile phones and camera encryption.