139 results about "Local illumination" patented technology

A sensing system may include an illumination projector, an image sensor, and one or more controllers. The illumination projector may project a partial illumination pattern on a target object. The image sensor may sense the partial illumination pattern projected on the target object and may generate signals representative of the sensed illumination pattern. The one or more controllers may control the illumination projector and process the signals generated by the image sensor. The illumination projector may include a microlens array and an emitter array. A spatial relationship of emitters of the emitter array to microlenses of the microlens array may cause the emitter array and the microlens array to project light upon the target object in the partial illumination pattern.

The invention provides an image enhancement method based on double-domain illumination prior and electronic equipment, and relates to the field of image processing. The method comprises the steps of obtaining a to-be-processed illumination image; according to local illumination distribution characteristics of the to-be-processed illumination image, multi-scale enhancement is carried out on the to-be-processed illumination image after global illumination enhancement, a first illumination image after spatial domain enhancement is obtained, and the local illumination distribution characteristics comprise a brightness mean value and a brightness standard deviation; amplitude information of the to-be-processed illumination image in the frequency domain is enhanced, and a second illumination image enhanced in the frequency domain is obtained; and fusing the to-be-processed illumination image, the first illumination image and the second illumination image to obtain an enhanced target illumination image.

The invention relates to the field of underground illumination management, and discloses an underground multi-mode illumination collaborative management method and system in a red-mine scene, and the method comprises the steps: capturing the personnel distribution, equipment operation state, environment change and local illumination condition in a working region in real time, employing a time sequence prediction model based on deep learning, and carrying out the real-time monitoring of the operation region, the method comprises the following steps: analyzing and identifying local illumination requirements of different operation areas, predicting an insufficient illumination phenomenon occurring in a short time in the future in combination with a personnel moving track, an equipment moving area and an environmental condition, dynamically adjusting the working state of each illumination unit, calculating a control scheme of each illumination unit by utilizing a collaborative scheduling technology, and performing real-time control. And the output power of the lighting system is dynamically adjusted, an abnormal feedback mechanism is automatically triggered, the dimming strategy is recalculated and adaptive adjustment is carried out, and the effect of the current lighting dimming strategy is analyzed by using a multi-dimensional evaluation method. The method has the advantage of improving the safety of mine operation.

The invention provides an unmanned aerial vehicle remote sensing monitoring and evaluating method and system for field orchard diseases and insect pests, and relates to the technical field of orchard disease and insect pest monitoring and evaluating. The interference of complex background noise is effectively eliminated by constructing a ternary separation index integrating feature enhancement, background suppression and brightness normalization; a threshold value is determined based on the exponential distribution, pixels are accurately divided into a non-canopy background, a shadow canopy and an illumination canopy, and fine segmentation of an unstructured scene is achieved; constructing a gain compensation item by using a local illumination reference mean value, correcting a shadow canopy reflectivity curve, and eliminating illumination non-uniform interference; selecting a local high quantile to establish a health reference basis, coupling a discriminant item and an attenuation item, and resolving to obtain a physiological stress index, so as to realize acute capture of early weak disease characteristics; and performing power weighted accumulation on the abnormal pixel difference value, outputting a regional hazard level index, and objectively quantifying the overall disaster risk of the region through nonlinear aggregation.

The embodiment of the invention provides a global illumination rendering method and device, a GPU and a computer readable storage medium, and relates to the technical field of global illumination. Acquiring a plurality of local illumination models corresponding to the current frame; each local illumination model corresponds to one illumination probe, and the local illumination models are calculated by the CPU according to GI primitive parameters of adjacent grid units corresponding to the illumination probes; for each illumination probe in the current frame, performing iterative calculation according to a local illumination model of the illumination probe in the current frame and historical visibility information and historical illumination information of the illumination probe and an adjacent illumination probe of the illumination probe in the previous frame to obtain visibility information and illumination information of the illumination probe in the current frame; and performing global illumination rendering on the current frame according to the visibility information and the illumination information of each illumination probe in the current frame, thereby improving the operation performance and the picture effect of GI processing of the mobile terminal equipment.

In one embodiment, a video codec receives a local luminance compensation (LIC) linear model generated using samples of two adjacent, different blocks, which is a linear model of local luminance compensation (LIC), which is a linear model of local luminance compensation (LIC) generated using samples of the two adjacent, different blocks of samples of the two adjacent, different blocks of samples of the two adjacent, different blocks of samples. The linear model includes a scaling factor and a y-axis intercept. The video codec adjusts the linear model by applying an offset to adjust a scaling factor (or slope) of the linear model. The scaling factor or y-axis intercept of the adjusted linear model may be tailored to remain within a prescribed range. The offset may be selected from a set of predefined values for a syntax element signaled in a bitstream. The applied offset may be inherited from a previously encoded location. When a current block is encoded by bidirectional prediction, the linear model may be one of a first and a second linear model used to generate a predictor of the current block.

The application discloses an intelligent lighting device and relates to the technical field of intelligent lamps.The device comprises a lampshade, the lampshade comprises an outer cover and an inner cover, a gap is arranged between the outer cover and the inner cover, the outer cover and the inner cover are coaxially arranged and are connected through a plurality of light isolation sheets, the light isolation sheets are equidistantly distributed around the axis of the outer cover and the inner cover, and the light isolation sheets are connected through a surrounding sheet between the axis of the outer cover and the inner cover.The application forms a plurality of independent light source cavities through the outer cover and the annular inner cover nested structure, the light isolation sheets and the surrounding sheet, and the physical separation design effectively solves the pain point of the light efficiency dispersion of the traditional lamps, each cavity is equipped with an independent bulb and supports independent disassembly, not only realizes the physical isolation of the light source to reduce light pollution, but also reduces the maintenance cost through the clamping seat type fixing structure, when local illumination is needed, the specific cavity can be accurately lighted, compared with the overall illumination mode of the traditional lamps, the energy consumption can be obviously reduced.

A video processing method includes: for a conversion between a current video block of a first component of the video and a bitstream of the video, determining a prediction using the current video block from a linear combination of samples of a second video block of a second component of the video according to a rule; and performing the conversion based on the determination. The current video block and the second video block are encoded and decoded using a local illumination compensation tool.

Embodiments of this disclosure provide a solution for video processing. A method for video processing is proposed. The method includes: for a conversion between video units and a bitstream of video, determining whether to apply an illumination compensation method to the video units based on information associated with the video units, wherein at least one Local Illumination Compensation (LIC) parameter of the illumination compensation method is derived based on at least one of: neighboring samples or a template; and performing the conversion based on the determination.

Example apparatus, methods, and computer-readable media for decoding video data are described. An example method includes determining to decode a current block of video data using a merge mode. The example method includes generating a first merge list for the current block, wherein generating the first merge list includes applying template matches to candidates of the first merge list. The example method includes generating a second merge list based on the first merge list. The example method includes decoding the current block using the merge mode and based on the first merge list or the second merge list.

The utility model discloses a bedside handrail, which comprises a handrail module, a fixing module and a lighting element, wherein the handrail module is used for being installed on the side of a bed; the fixing module is fixedly connected with the handrail module; and the lighting element is fixedly installed on the handrail module. The utility model effectively solves the pain point that the existing bedside handrail lacks the lighting function. When a user needs to get up at night or in a dim environment, the user can obtain local lighting through the lighting element on the handrail module without turning on the main lighting in the room. The light is concentrated in the bedside area, which can meet the needs of the user to see the path of getting up and ensure the safety of movement, can minimize the light interference on other resters in the same room, can avoid disturbing others from resting, is especially suitable for scenes such as a multi-person living ward and a health care room, and fully meets the "minimum interference principle" in the field of care.

An encoding method is provided for encoding a picture to generate a coded stream. The encoding method includes: generating a first prediction image of a current block included in a current picture by referring to a first region included in a reference picture different from the current picture; operating a bi-directional optical flow process to generate a second prediction image based on the first prediction image by referring to a second region entirely included in the first region, the bi-directional optical flow process being performed without applying local illumination compensation; and encoding the current block based on the second prediction image.

Embodiments of the present disclosure provide a solution for video processing. A method for video processing is presented. The method includes, for a transition between a video unit of a video and a bitstream of the video, deriving a local illumination compensation (LIC) parameter using at least one of: reconstructed samples in adjacent rows or reconstructed samples in columns adjacent to a current block in response to the video unit being encoded in a first target codec mode; and performing a conversion based on the LIC parameter.

Systems, methods, and instrumentalities are disclosed for performing operations associated with intra block copy (IBC) local illumination compensation (LIC) merge mode. An IBC-LIC model merge mode can be performed, which can include creating a model candidate list including model parameters from spatial neighboring neighbor blocks, non-neighboring neighbor blocks, history candidates, default mode, and the like. The model candidate list can be reordered based on template costs. The reordering of the model parameter candidate list can be improved, for example, to reduce computational burden. For example, the LIC model candidates can be reordered based on a determined merge candidate (e.g., a best merge candidate).

To provide systems, methods and instruments for calculating local illumination compensation (LIC) parameters for a bi-predicted coding unit (CU).SOLUTION: LIC parameters may be used to generate adjusted samples for a current CU and to address local illumination changes that may exist among temporal neighboring pictures. The LIC parameters are calculated on the basis of, bi-predicted reference template samples and template samples for the current CU. The bi-predicted reference template samples may be generated on the basis of reference template samples neighboring temporal reference CUs. The bi-predicted reference template samples are generated on the basis of, averaging the reference template samples. The reference template samples may correspond to template samples for the current CU. A CU may be or may include a coding block and / or a sub-block that may be derived by dividing the coding block.SELECTED DRAWING: Figure 9

The present disclosure relates to a video compression technology and in particular an improvement of the local illumination compensation (LIC) technology included in the predictive coding technology, which contributes to improving the compression performance in a video encoder and a decoder.According to an exemplary embodiment of the present disclosure, a method for decoding an encoded video bitstream comprises: extracting local illumination compensation (LIC) information for a current block from the bitstream and obtaining LIC information from the extracted information; determining at least one linear model based on the LIC information; generating prediction samples for the current block using an LIC method with the linear model; and reconstructing the current block using the prediction samples, wherein the linear model is defined by at least one first-order function or one second-order function.

The invention discloses a photovoltaic cell performance prediction method based on edge equivalent shielding conversion. The method comprises the following steps: establishing a double-diode seven-parameter model of a photovoltaic cell; obtaining and classifying shielding parameters; edge equivalent shielding conversion; model parameters are corrected under the shielding condition; predicting and calculating performance parameters; performing prediction precision verification and error evaluation, wherein the method is based on an established photovoltaic cell double-diode seven-parameter model; equivalently converting the shielding area in any shape and position into a rectangular shielding area located at the edge of the photovoltaic cell, and keeping the shielding area and the local illumination intensity unchanged; correcting model parameters according to shielding conditions; finally, the output performance is calculated through multi-physics field coupling simulation. According to the method, unified modeling of a complex shielding scene is achieved, the calculation complexity is remarkably reduced, meanwhile, high prediction precision is kept, the maximum output power prediction deviation is smaller than 2.2% for regular shielding and irregular shielding, and the method is suitable for the fields of photovoltaic system design, performance monitoring, fault diagnosis, generating capacity prediction and the like.

Systems, methods, and devices for calculating local illumination compensation (LIC) parameters for bi-predicted coding units (CUs) are provided.SOLUTION: LIC parameters may be used to generate adjusted samples for the current CU to account for local illumination changes that may exist between temporal neighboring pictures. The LIC parameters are calculated based on the bi-predicted reference template samples and the template samples for the current CU. The bi-predicted reference template samples may be generated based on reference template samples adjacent to the temporal reference CU. Bi-predicted reference template samples are generated based on averaging of the reference template samples. The reference template sample may correspond to the template sample for the current CU. The CU may be a coding block and / or a sub-block that can be derived by partitioning a coding block, or may include a coding block and / or a sub-block.SELECTED DRAWING: Figure 9

Embodiments of the disclosure provide a solution for video processing. A method for video processing is proposed. The method includes: deriving, for a conversion between a video unit of a video and a bitstream of the video, a local illumination compensation (LIC) parameter using at least one of: a reconstructed sample out of a neighbouring row, or a reconstructed sample out of a column adjacent to a current block, in response to the video unit being coded with a first target coding mode; and performing the conversion based on the LIC parameter.

The application belongs to the technical field of image processing, and particularly relates to a UV ink curing degree detection method and system based on texture analysis, which comprises the following steps: collecting an original gray-scale image of a UV ink surface, constructing a local illumination saturation index positioning mirror reflection dominant area, and combining a texture optical masking coefficient to obtain an adaptive texture recovery gain; performing weighted processing on the gray-scale value and high-frequency component of the original gray-scale image by using the local illumination saturation index and the adaptive texture recovery gain respectively, extracting macroscopic statistics and microscopic structure features of a reconstructed image to construct a multi-dimensional texture feature vector; inputting the multi-dimensional texture feature vector into a support vector machine classifier to obtain a curing state, and generating a control signal according to the curing state. The application improves the extraction effect of weak texture features under strong light interference, and provides technical support for closed-loop control of the curing process.

A system, apparatus, and method for processing an image based on color constancy are provided herein. The method comprises the following steps: obtaining an image in a first color space; converting the image into data in a second color space; transforming the data using color adaptation; performing a first normalization on the transformed data, wherein the first normalization includes applying a dynamic spatial filtering technique to adjust the transformed data based on the light intensity; applying a set of filters to the normalized data, wherein the set of filters are convolved based on the normalized data associated with the image; performing a second normalization on the filtered data to obtain an illumination estimate of the image related to the filtered data; and outputting normalized data from the second normalization, where the normalized data maintains color constancy based on the illumination estimate, thereby removing illumination from the normalized data.

The invention provides an illumination editing method and device in a virtual scene and electronic equipment. The method comprises the following steps: displaying a to-be-edited virtual scene on a graphical user interface; responding to the local light editing instruction, and controlling to generate a light component in the virtual scene; wherein the light assembly comprises a frame body assembly and a light source assembly associated with the frame body assembly, and the light source assembly is used for generating an illumination effect in the frame body assembly; and based on the component parameters of the light source component, controlling a target object in the frame body component to render a local illumination effect corresponding to the light source component. In the mode, a user can edit the virtual scene, the frame body assembly associated with the light source assembly is generated in the virtual scene, and the local illumination effect is rendered on the target object located in the frame body assembly through the light source assembly, so that the deficiency of a global light source in the virtual scene can be made up; and a more vivid light and shadow effect is added to the target object in the virtual scene, so that the light and shadow visual experience of the user is improved.

Systems, methods, and instrumentalities are disclosed for a video decoding and encoding device. A device may include a processor configured to determine that intra template matching prediction (intraTMP) is enabled for a video block. The processor may be configured to determine that intraTMP is used for decoding a first adjacent block of the video block. The processor may be configured to determine, based on a local illumination compensation (LIC) indication of the first adjacent block, a context-adaptive binary arithmetic coding (CABAC) context associated with entropy decoding a LIC indication associated with the video block. The processor may be configured to entropy decode the LIC indication associated with the video block based on the CABAC context. The processor may be configured to decode the video block based on the LIC indication.

This document describes systems and techniques directed at spatially-configurable localized illumination for biometric authentication systems. In aspects, during biometric authentication, a biometric authentication system having a biometric authentication manager is configured to receive user input at a touch-sensitive display. Responsive to and based on the user input, the biometric authentication manager determines a shape of a contact area of the user input at the touch-sensitive display. Based on the determined shape, the biometric authentication manager alters a brightness of a region of the display to increase a reflection of light from the user input, effective to facilitate biometric authentication.

The application discloses a laparoscope intestinal pressing plate with illumination function for small incision suturing, and relates to the technical field of surgical operation instruments.The laparoscope intestinal pressing plate comprises a rod body, which is hollow and has an elongated structure; a circular lifting disc, which is movably sleeved in the rod body; and a pressing plate assembly, which is connected to the bottom of the circular lifting disc and comprises at least two retractable supporting skeletons and a flexible film arranged on the supporting skeletons; and a push-pull rod, which is movably arranged on the circular lifting disc in an axial direction and extends to the outside of the rod body at the top end; the push-pull rod can drive the circular lifting disc to move in the axial direction of the rod body under the drive of external force, so that the supporting skeletons are radially retracted or expanded relative to the rod body; when the supporting skeletons are expanded, the flexible film is tensioned to form a pressing plate working surface for pressing an intestinal canal; and the laparoscope intestinal pressing plate is designed to be retractable and integrated with illumination, so that the instrument can conveniently pass through a small incision and provide local illumination and stable operation space in the body, and the safety and convenience of small incision suturing operation are improved.

The utility model relates to the field of furniture, and discloses an I-shaped screen center pillar which comprises a seat screen, protruding blocks are fixedly arranged on the two sides, close to the upper portion, of the front face of the seat screen, a pulley rail is fixedly connected between the two protruding blocks, a sliding groove is formed in the pulley rail, and a plurality of pulley devices are arranged in the sliding groove in a sliding mode. According to the screen, the pulley device slides back and forth in the sliding groove formed in the pulley track to drive the cloth curtain below the pulley device so that the screen can be freely switched between the hollowed-out effect and the closed effect, the trapezoid magnetic attraction blocks fixedly arranged on the two sides of the base screens can enable the base screens to be freely attracted and connected, the orientation does not need to be fixed, and therefore the screen is convenient to use. The splicing mode can be adjusted at will according to requirements, the grooves are formed in the two sides of the front face of the base screen, the lamp tubes are fixedly arranged in the two grooves, the control button can be pressed down to activate the lamp tubes in the two grooves to achieve the local lighting effect when necessary, and compared with turning on a headlight in a room, certain electric energy is saved.

A device may perform local illumination compensation. The device may determine whether video includes screen captured content. The device may derive a scale and an offset parameter for local illumination compensation based on whether video includes screen captured content. The device may perform local illumination compensation using the derived scale and offset parameters.

1. The name of the design product: disposable wireless lighting retractor. 2. The use of the design product: used for open surgery to retract or expand tissue and provide local lighting. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: design 1 perspective view 1. 5. Design 2 is designated as the basic design.