66 results about "Visual changes" patented technology

The invention belongs to the field of computer vision, vision-language matching detection and multi-mode target tracking, and discloses a self-adaptive vision-language matching detection and tracking method. The method comprises the following steps: firstly, constructing a vision-language multi-modal tracking large model by utilizing modal alignment and representation advantages of a pre-trained multi-modal large model; a visual context perception prompt learning algorithm is provided, visual context features are extracted from current search features, prompt learning is adopted to integrate the visual context features into the text coding process, and dynamic perception of the text features on visual changes is achieved; besides, a language self-adaptive implicit updating mechanism is designed, a learnable vector is embedded in a text coding process, and dynamic visual context clues are combined, so that implicit updating of text features in a tracking process is realized, a static language can be dynamically matched with a visual appearance, and the visual-language detection tracking performance is improved.

The present invention relates to a Golf Swing Tracker Carpet Mat designed for assisting golfers in improving their swing technique. The mat comprising tufted fiber yarns anchored by primary and secondary backings. When a golf club interacts with the mat, the fibers demonstrate a visual change due to a pile shading effect, simulating the appearance of a divot, and providing immediate feedback on the golfer's swing path and strike quality. The mat also features an alignment guidance pattern and is encapsulated within an anti-skid base for stability. Furthermore, the mat offers variations in tufting patterns, densities, and fiber lengths, enabling it to mimic different golf course terrains, providing a tailored practice experience for the user.

A virtual vision test can be performed to evaluate response time in detecting subtle visual changes under varying light conditions in a virtual reality (VR) environment. The test can be conducted using an electronic device with a head-mounted display (HMD) and a camera. The device can generate and render a VR user interface in a photorealistic virtual environment, simulating dynamic lighting scenarios. The device can continuously track eye movements in response to visual stimuli presented in these scenarios. The system can then evaluate the detection of subtle visual changes based on the tracked eye movements, and provide a comprehensive assessment of visual acuity and responsiveness under different lighting conditions.

The embodiment of the invention discloses a special effect processing method and device, computer equipment and a computer readable storage medium, and the method comprises the steps: obtaining a target model which comprises a planar model with a plurality of overlapped target points; determining parallax information of the pixel points according to the position relationship between the pixel points of the target model and the virtual camera; for each planar model of the target model, determining a special effect area from the planar model according to the shape control information of the target special effect and the distance between a pixel point in the planar model and a target point location; at least two target special effect areas observed from a virtual camera in the special effect area; according to the display parameters and the parallax information of the at least two target special effect areas, the target special effect areas are rendered to obtain the target special effect, and the visual change effect of the special effect under different visual angles can be achieved.

The invention discloses an automatic script processing method and device, and relates to the technical field of automatic processing, when a user interface is changed, a system can perform locator incremental update on an initial automatic test script through a preset incremental update mode and a key user interface change list, and the user interface change list is updated. According to the method, the script locators and part of logics are automatically adjusted, so that the workload of manual intervention and manual user interface automatic test script reconstruction is greatly reduced, the script maintenance cost is reduced, the test period is shortened, and the adaptability in the user interface automatic test process is improved. A path entropy concept and a preset intelligent path recommendation mode based on multi-feature time sequence modeling are introduced to carry out automatic test path recommendation, so that a test path which has higher stability and higher robustness and can effectively cover key service nodes can be intelligently recommended; and the robustness of visual change in the process of automatically testing the user interface is improved.

A gesture sensing self-adjusting rechargeable hand warming apparatus, which comprises a housing and a plurality of functional assemblies accommodated in the housing and further comprises a gesture sensing assembly. An outer portion of the housing comprises a transparent cover and a rear housing. The interior of the housing comprises an upper housing support and a bottom housing. The upper housing support and the bottom housing divide the interior of the housing into three layers. The first layer comprises a simulated charcoal matrix and a backlight module between the transparent cover and the upper housing support, and the backlight module comprises a backlight plate and a light assembly provided on an edge of the backlight plate. The second layer comprises the gesture sensing assembly, a circuit board, and a battery which are disposed between the upper housing support and the bottom housing. The third layer comprises a heating assembly between the bottom housing and the rear housing. By combining the simulated charcoal matrix and the backlight module, a simulated effect of charcoal burning can be seen. In addition, light is adjusted by means of the gesture sensing assembly, and the simulated effect can produce rich visual changes, while the frequency of use of a key can be reduced, and a more interesting human-machine interaction experience is attained.

Embodiments herein relate to flow rate control devices and methods for use with cancer treatment systems. In an embodiment, a flow rate control device for cancer therapy systems can be included having a housing configured to engage with a fluid delivery device and a visual indicator bar. The visual indicator bar can be disposed on the housing and the flow rate control device can be configured to cause the visual indicator bar to visually change to indicate a target plunger depression pace of a plunger of the fluid delivery device. Other embodiments are also included herein.

The invention provides a temperature-sensitive color-changing wear-resistant monofilament as well as a preparation method and application thereof. The temperature-sensitive color-changing wear-resistant monofilament has an excellent visual early warning function and wear resistance. The temperature-sensitive color-changing wear-resistant monofilament can be used for further preparing a woven mesh pipe, when the monofilament is put into application, when a wire harness making contact with the multifunctional woven mesh pipe breaks down and generates abnormal heating, the multifunctional woven mesh pipe can play a warning role in a user or a maintainer through visual change of the color, and the service life of the user or the maintainer is prolonged. Technicians are assisted to quickly find the accurate position of abnormal heating, and the intelligent response to the temperature is given to the wire harness protection sleeve.

The invention relates to a closure for containers with evidence of first opening. Specifically, the invention is characterized by a closure comprising an inner cap and an outer cap interconnected to one another to allow spacing to be set between the two once the first opening of the closure takes place. This spacing generates a visual change in the appearance of the closure, with evidence of the first opening being shown. To ensure the evidence of the first opening of the closure, the invention combines a first groove with a helical segment with a flange that moves through said first groove until reaching a housing in which its movement is irreversibly blocked by means of a flexible prolongation. The movement of the flange in the first groove defines the transition between a first position before the first opening and a second position after the first opening of the closure.

The invention provides a visual change gel facial mask with a skin moistening effect and a preparation method thereof. The gel facial mask is prepared from the following components in parts by weight: 0.1 to 10 parts of solid color base solution, 0.1 to 6 parts of gel substances, 1 to 20 parts of polyhydric alcohols, 0.1 to 1 part of preservative and 60 to 99 parts of deionized water, the solid color base solution comprises a moistening milky white emulsion; the moisturizing milky-white emulsion comprises moisturizing grease, a moisturizer, an emulsifier, an antioxidant and water. In the use process of the face film, the product gradually changes from solid color to transparent or changes from deep color to light color, and the face film has a visual change effect. Meanwhile, due to the fact that the gel contains skin-moistening grease, essence with the skin-moistening effect does not need to be additionally added in the using process, the gel has the skin-moistening effect, and the moisturizing and skin-moistening effects are remarkable after the gel face mask is used.

This invention belongs to the fields of computer vision, vision-language match detection, and multimodal target tracking, and discloses an adaptive vision-language match detection and tracking method. First, the method leverages the modal alignment and representation advantages of a pre-trained multimodal large model to construct a vision-language multimodal tracking large model. A visual context-aware cue learning algorithm is proposed to extract visual context features from the current search features and integrate them into the text encoding process using cue learning, enabling dynamic perception of visual changes by text features. Furthermore, a language-adaptive implicit update mechanism is designed. By embedding learnable vectors in the text encoding process and combining them with dynamic visual context cues, text features are implicitly updated during tracking, enabling static language to dynamically match visual appearance, thereby improving vision-language detection and tracking performance.

With the present invention, it is possible to provide an inspection tool capable of easily inspecting whether or not light which inactivates a virus or the like has been radiated and easily inspecting whether or not light which is harmful to the human body has been radiated. The inspection tool of the present invention includes a first display portion and a second display portion, in which the first display portion is a display portion which indicates a visual change before and after irradiation of the inspection tool with light having at least any of wavelengths in a wavelength range of 200 to 280 nm, and the second display portion is a display portion which does not indicate a visual change before and after irradiation of the inspection tool with light in a wavelength range of 200 to 230 nm, but indicates a visual change before and after irradiation of the inspection tool with light having at least any of wavelengths in a wavelength range of more than 230 nm and 280 nm or less.

The application provides a virtual sand ground interaction rendering method and device, equipment and medium, wherein a scene containing a virtual character and a virtual sand ground is displayed through a graphical interface of an electronic device, the method comprises: based on the surface optical property parameters of the sand particles in the virtual sand ground, combining the ambient light information to calculate and render the visual change effect of the virtual sand ground under dynamic light in real time; in response to the interaction event between the virtual character and the virtual sand ground, determining the interaction position and the interaction intensity of the interaction event, simulating the interaction trace effect and the sand particle accumulation effect of the virtual sand ground based on the interaction position and the interaction intensity; determining the space mapping parameters based on the displacement change of the virtual character between adjacent frames, and mapping the historical interaction trace data to the graphical interface according to the space mapping parameters through an interpolation algorithm, so as to maintain the visual continuity. The above scheme is adopted to improve the realism of the virtual sand ground interaction rendering, and further improve the experience of the user in the virtual reality scene.

The invention provides a multi-mode combined augmented reality interaction method and device, equipment and a medium, relates to the technical field of augmented reality, and is used for solving the problem that augmented reality is insufficient in interaction with a user at a mobile terminal. The method is applied to mobile terminal equipment, and comprises the following steps: scanning a marked image, and superposing pre-made digital content in a three-dimensional space; establishing a plurality of button models near the digital content; when a click operation of a user on a target button model in the plurality of button models is detected, generating a target instruction corresponding to the target button model; and executing a target action related to the digital content according to the target instruction. A user can interact with a plurality of button models, different button models can trigger different instructions and execute different actions, real-time response and visual change enhance the interestingness of interaction, and therefore the problem that augmented reality is insufficient in performance and interactivity at a mobile terminal is solved.

The embodiment of the invention provides a highlight rendering method and device, electronic equipment and a computer readable storage medium, and belongs to the technical field of computers.The method comprises the steps that highlight vectors and highlight weights of all vertexes of a virtual model are obtained, tangent values of the highlight vectors of all the vertexes are determined, and the tangent values of all the vertexes are obtained; constructing a corresponding polar coordinate according to the highlight weight of each vertex and the tangent value of the highlight vector of each vertex; each polar coordinate is converted into a corresponding UV coordinate; sampling corresponding highlight information from a highlight shade according to each UV coordinate; and performing highlight rendering on the virtual model according to the highlight information. Therefore, the polar coordinates are constructed according to the highlight weights of the vertexes of the virtual model and the tangent values of the highlight vectors of the vertexes, so that the polar coordinates rotate along with vision, and after the polar coordinates are converted into the UV coordinates and the corresponding highlight information is sampled from the highlight mask based on the UV coordinates for highlight rendering, the highlight area can move along with the vision change, so that the highlight rendering effect is improved. And the trueness of highlight rendering is improved.

A communication device, a method, and a computer program product modifies visual characteristics of live videos to enable non-disruptive transition from presenting a freeze frame video to a video communication session. While presenting the freeze frame video, the device captures live video including the participant and current background. The device detects a change in at least one visual characteristic of the live video that can present a visual distraction to other participants of the video communication session while transitioning from presenting the freeze frame video to the video communication session. In response to detecting the change: the device modifies aspects of the live video to provide a modified live video that retains the at least one visual characteristic consistent with the freeze frame video. The device presents the modified live video to the video communication session on transition from presenting the freeze frame video to presenting live video.

The invention discloses a drawing update identification method and system, and the method comprises the following steps: S1, analyzing drawing files of new and old versions, and extracting multi-dimensional information including geometric primitives, layers and text annotations, S2, comparing the extracted multi-dimensional information of new and old versions, and identifying difference items, S3, based on a preset rule base, analyzing the identified difference items, and carrying out the identification of the new and old versions of the new and old versions of the new and old versions of the new and old versions of the new and old versions. The method comprises the following steps of S1, comparing and analyzing a drawing version, S2, automatically judging the change type and the influence level of the drawing version, S4, automatically generating a visual change report on the basis of a comparison and analysis result, highlighting a change area in a graphical mode by the report, and attaching a structured change list.According to the method, a traditional drawing version management mode is thoroughly innovated through an automatic, multi-dimensional and intelligent technical means; accurate, efficient and intelligent change identification is realized, project risks are effectively reduced, and cooperation efficiency and management level are improved.

This invention discloses a method and system for precise feeding decision-making in aquaculture based on visual behavior analysis, belonging to the field of image detection technology. The method and system include the following steps: S1, synchronously observing the activity process of fish schools and the action process of feeding equipment within the aquaculture area; S2, dividing the observation into stages around a single feeding process and analyzing the source of current visual changes; S3, identifying the fish school transfer process and interpreting data from the current aquaculture unit; S4, generating feeding control parameters and correcting the complete control process. This invention effectively improves the accuracy and rationality of precise feeding decisions in aquaculture, solving the problem that the feeding action itself can contaminate visual observation, causing the system to misjudge the disturbance caused by feeding as actual increased feeding activity by fish.