56 results about "Visual assessment" patented technology

A system and method for automated image analysis which may enhance, for example, capsule endoscopy diagnosis. The system and methods may reduce the time required for diagnosis, and also help improve diagnostic consistency using an interactive feedback tool. Furthermore, the system and methods may be applicable to any procedure where efficient and accurate visual assessment of a large set of images is required.

The methods, procedures, kits, and devices described herein assist with the healing process of tissue that was previously or simultaneously treated for a therapeutic or cosmetic effect. The methods, procedures, kits, and devices described herein can also provide temporary simulated results of a cosmetic procedure to allow for visual assessment to select the type of procedure or for treatment planning in advance of the surgical procedure.

The invention discloses an automobile fatigue driving prediction method. The method comprises the following steps of successively constructing and arranging first to fourth grades of convolutional neural networks, inputting an image, using a first grade of the convolutional neural network to acquire a candidate face window and a corresponding bounding box regression vector, and through the first grade and a second grade of the convolutional neural networks, merging candidate windows which are highly overlapped; for the residual candidate windows, through a third grade of the convolutional neural network, using face characteristic point mark information to predict and identify a human eye area; according to an eye characteristic point, segmenting an eye area, inputting a fourth grade of the convolutional neural network, through a depth learning algorithm, training a depth visual characteristic model of an eye image; making a video collected by a camera successfully pass through a CNN1, a CNN2, a CNN3 and a CNN4, and distinguishing a closing state of eyes; and calculating a driver fatigue visual assessment parameter PERCLOS, and when a PERCLOS value is greater than 40%, determining that a driver begins to feel fatigue or is in a fatigue state, and outputting an early warning signal. By using the method of the invention, the fatigue state of the driver under various conditions of illumination, an attitude and an expression can be detected, detection result robustness is high, and influences of factors of the illumination, the attitude, the expression and the like on driver fatigue detection are effectively overcome.

A thermochromic polymer-based temperature indicator composition which comprises a polythiophene and a carrier medium. The composition is characterized in that the polythiophene is present in the medium in an amount of about 0.05 to about 5.0% by weight based on the total weight of the composition. The structure of the compound is designed such that when the composition is placed in a heat-exchange relationship with an article, the composition will exhibit a color change when a design temperature or a temperature beyond the design temperature is reached in the article.

A series of ultrasound strain images of a breast lesion are acquired along with corresponding B-mode images using a real-time ultrasound strain imaging system and a free-hand technique. A visual assessment of the lesion is made by the sonographer after image acquisition. A conspicuity metric is calculated from the strain images based on the weighted sum of lesion contrast values in each strain image. The weighting of each lesion contrast value is based on observed characteristics of malignant lesions in a series of strain images. Diagnosis is made based on the visual assessment and the conspicuity metric

A method of estimating a visual evaluation value of beauty of a skin, and a device and a program for calculating a visual evaluation value of beauty of a skin are provided. Anybody can easily estimate a visual evaluation value of beauty of a skin objectively and quantitatively. A visual evaluation value of beauty of the skin is estimated by using a correlation between a visual evaluation value of beauty of the skin and a fractal dimension of a distribution of a color system signal of an image of the skin or a 3-dimensional skin surface relief value of a skin surface.

The invention discloses a comprehensive assessment normalization processing method for the quality of electric energy. According to the method, more visual assessment for total condition of the quality of electric energy in the region can be directly given, so that power supply is more economic and safer. The method comprises the following steps of: carrying out normalization processing of single index according to 95 percent of probability value of each index of electric energy obtained by actually measuring and calculating and a standard limit of national standard level; obtaining an assessment coefficient of each index according to the normalized result; carrying out multiply operation on the assessment coefficient and a weight endowed by each index to obtain the score of the single index; carrying out additive operation on the score of the single index to obtain a comprehensive assessment score of electric energy quality; and finally, judging the total condition of the electric energy quality by combining a comparison table of the grading condition of the electric energy quality according to the comprehensive assessment score of the electric energy quality. The comprehensive assessment normalization processing method can be widely applied to the field of quality monitoring of an electric system.

A method for vision evaluation including displaying a sequence of frames on a display screen of a display device. Each frame may contain one or more symbols. The method may also include changing one or more viewing parameters between frames of said sequence of frames as the displaying of the sequence of frames progresses. The viewing parameters may be selected from the group of viewing parameters consisting of spatial and temporal parameters. The method may also include calculating a vision evaluation score for the subject whose response to the displayed sequence of frames is received through an input interface device. A system for vision evaluation is also disclosed.

Method for carrying out the text content search of a document database utilizing multi-node nets. The nodes of these nets are associated with interactions and are loaded with initially selected criteria, whereupon a potential or distance function calculation is carried out with respect to each document of the database and those criteria containing nodes. The created nets are displayed with document symbols geometrically located with respect to the nodes and interaction lines in correspondence with the computed potentials to provide for an interactive visual evaluation of the search by the user. Such evaluations then may be employed to refine node contained criteria toward useful rule-based nodes.

A plurality of knowledge enhanced graphical symbols are utilized to represent a display element type when displaying a common operational picture. Plural instances of such a display element type allow rapid visual assessment of the situation displayed on the common operational picture by permitting a user to rapidly identify instances which are abnormal or problematic. Individual knowledge enhanced graphical symbols may aggregate information from other knowledge enhanced graphical symbols and other knowledge enhanced graphical symbols may be utilized to change the state of data in a database from which information about the common operational picture is derived.

The system and method of visual role engineering uses a visual assessment tool to identify clusters of users and to define roles. A “cluster image” is generated that visually depicts the cluster tendencies of users and permissions. An operator of the visual assessment tool can visually identify clusters of users with the same permissions. The operator may select a cluster representing a subset of users, define a role for the subset of users, and assign permissions to the role. The process may be repeated in an iterative fashion until it is determined that no more roles are needed.

The invention discloses a method and device for real-time adjustment of lens installation flatness. The camera real-time adjusting method comprises the steps of acquiring images which are shot by a camera and correspond to at least two groups of test charts in different positions, pre-processing the images to obtain each group of test chart through separation, calculating and displaying the real-time resolution value, relative to each group of test chart, of the light-sensitive surface of the camera according to each group of test chart in real time, and adjusting the installation angle of the optical axis of a lens of the camera relative to the light-sensitive surface in real time according to the real-time resolution value, relative to each group of test chart, of the light-sensitive surface of the camera. By means of the method, the real-time resolution value of the camera can be obtained through automatic real-time testing, a measurement result consists with a visual evaluation result obtained through visual inspection, flexibility and adjustability are realized, robustness is high, and the installation angle of the optical axis of the lens of the camera can be adjusted according to the real-time resolution value of the camera.

An alignment viewer apparatus (40) for assessing optical path alignment of a stereoscopic imaging system (10), the apparatus (40) having a left reflective surface (42l) for diverting light from a left viewing pupil (14l) toward a beam combiner (44) and a right reflective surface (42r) for diverting light from a right viewing pupil (14r) toward the beam combiner (44). The beam combiner (44) directs the diverted light from left and right viewing pupils (14l and 14r) to form a combined alignment viewing pupil (36), allowing visual assessment of optical path alignment thereby.

Apparatus and methods of evaluating packages are provided. In a vision evaluation system embodiment, the system includes a light source, a first and second camera and a control system. The light source provides polarized backlight. The first camera has a first lens positioned to image the polarized back light. A ninety degree polarized filter is positioned between the first lens of the first camera and the light source. The ninety degree polarized filter is polarized 90 degrees from the polarized back light of the light source. The second camera has a second lens that is positioned near the first lens of the first camera. The control system is coupled to control the first and second cameras to take simultaneous images at a given frequency. The control system is further configured to determine locations to analyze based on image data from the first camera. Moreover, the control system is still further configured to analyze the determined locations in associated image data from the second camera. Packages whose image fails the analysis are removed from a packing line.

The invention relates an identification method of andesine in a fine settlement (sedimentary rock), comprising the following steps: putting a rock slice under an orthogonal polarizing microscope; putting the object under test in an extinction position; rotating the objective table 45 DEG to allow the long axis of the object under test to be angled 15 DEG from the cross wire of the second quadrantand the fourth quadrant in the eyepiece of the microscope; inserting a gypsum test panel; allowing the long axis, which is a small refractive index, of the object under test to be overlapped with a small refractive index X of the gypsum test panel, acquiring andesine which has an interference color of blue, and detecting the content of andesine that has an interference color of blue with area visual assessment percentage method; then rotating the objective table 90 DEG to allow the long axis of the object under test to be angled 15 DEG from the cross wire of the first quadrant and the third quadrant in the eyepiece of the microscope; allowing the long axis, which is a small refractive index, of the object under test to be overlapped with a large refractive index Z of the gypsum test panel, acquiring andesine which has an interference color of yellow, and detecting the content of andesine that has an interference color of yellow with area visual assessment percentage method. According to the invention, the andesine in the fine-particle settlement (sedimentary rock) can be identified rapidly and accurately.

The invention discloses a ferro magnetic material irregular crack ACFM visual imaging method, and relates to the field of nondestructive detection defect imaging technologies. The method comprises the steps of acquiring a magnetic field signal Bz amplitude matrix of irregular crack alternating current electromagnetic field surface sweeping results with the aid of a grid scanning method; acquiring an X direction gradient field matrix and a Y direction gradient field matrix of a distorted magnetic field signal Bz by using a gradient field, and reflecting the aggregation condition of a sensing current around an irregular crack and a leakage magnetic field in an original excitation magnetic field; further performing extreme value acquisition, background removal, and normalization operations on the two direction gradient field matrixes to acquire two direction normalization matrixes; and summing the two direction normalization matrixes, thus achieving an intuitive imaging result of the irregular crack surface profile of the ferro magnetic material. According to the method provided by the invention, the visual assessment of the crack of the ferro magnetic material and the accurate prediction of the residual service life of the ferro magnetic material are facilitated.

The present invention discloses a corrosion defects Visual imaging and evaluating method based on alternating current electromagnetic fields and relates to the technical field of non-destructive testing defect imaging. The method comprises: obtaining scan results of a magnetic field signal Bz amplitude matrix of an alternating electromagnetic field corrosion defect surface by means of a grid scanning method, obtaining a gradient field matrix of a maximum distortion value of a distortion magnetic field signal Bz by using a gradient field, reflecting aggregation situation of an induced current at an edge of the corrosion defects, further obtaining an intuitive imaging result of a surface profile of the corrosion defects by obtain of an extremum, background removal, normalizing operation, and grading conversion, and using a ratio of white pixels to total pixels in a grayscale image and multiplying by a scanning area, to obtain an exact area of the corrosion defects. The method is conducive to visual assessment of the corrosion defects and accurate prediction of remaining life.

A beam scale apparatus, which can be implemented as a physical apparatus or presented as a graphical representation through computer-based system, is provided for visually assessing a financial plan and the impact of changes thereto.

Apparatuses (IP) and related methods to visualize previously suppressed image structures in a radiograph (RD). A graphical indicator (505, 510, 515) is superimposed on the radiograph (RD) to indicate the suppressed image structure (412). The apparatuses allow toggling in our out the graphical indicator (505, 510, 515) or to toggle between different graphical renderings thereof.

The invention discloses an automatic electric pole incline measurement instrument. The automatic electric pole incline measurement instrument is characterized in that the upper end of an electric pole is provided with an iron cross arm; the middle of the electric pole is provided with a host outer shell which is fixed on the electric pole via a left spring clip and a right spring clip at the left and right ends of the host outer shell; the upper end of the surface of the host outer shell is provided with a singlechip and a display screen; a startup and shutdown button, a reset button and a measurement button are sequentially arranged at the lower side of the singlechip and the display screen from left to right; a power supply is arranged in the host outer shell; the bottom end of the outer shell is provided with a gravity inductor. By the arrangement, the automatic electric pole incline measurement instrument is reasonable in design, is simple in installation and dismounting operation, can display the incline angle and the adjustment scheme without visual assessment, and can monitor in real time in the adjustment process so as to prevent excessive or lacking of adjustment. The automatic electric pole incline measurement instrument is accurate in measurement, is low in manufacturing cost, enhances the working efficiency greatly, and reduces errors due to visual assessment.

The invention relates to a brain contrast image processing method and device, a medium and electronic equipment. The method comprises the steps that a brain contrast image is acquired; brain partitionis performed on the brain contrast image to obtain a brain partition image; the edge of each partition in the brain partition image is smoothed to obtain a target brain partition image; and a regionof interest is identified from the target brain partition image. Thus, the acquired cerebral angiography image can be partitioned at first; then region-of-interest identification is respectively carried out on the subarea images; the whole processing method can be automatically executed, manual operation is not needed, a manual method does not need to be adopted for visual evaluation, the recognition difficulty and cost of the region of interest are reduced. The problems that due to visual evaluation conducted through the manual method, consumed time is long, efficiency is low, recognition results are inconsistent, and consequently the reliability of judgment results is affected are solved.

Method and arrangement for displaying a digital waveform in an eye diagram simultaneously with an indication of acceptability of the digital waveform. A decoded digital waveform is separated into overlapping waveform permutations based on a number of digital states and transition points in the eye diagram. Submasks equal in number to the waveform permutations and that are derived from a common, known good waveform, are retrieved from a memory component. Each retrieved submask is applied to a corresponding waveform permutation to determine any locations at which the waveform permutation exceeds a boundary of the submask. Only one submask is applied to each waveform permutation. The waveform is displayed in the eye diagram simultaneous with a visual indication of the locations at which any of the waveform permutations exceeds the boundary of the corresponding submask, to enable visual assessment of the acceptability/validity of the digital waveform.