415results about How to "Guaranteed resolution" patented technology

The invention discloses a brain tumor segmentation network and segmentation method based on a U-Net network. The tail of a contraction path of the segmentation network is connected with a spatial pyramid pooling structure; hole convolution of different scales is introduced into a network jump connection part of the segmentation network; an Add operation and original input are adopted to form a residual block with hole convolution; a receptive field of shallow feature information in the contraction path is expanded; fusing with an expansion path of a corresponding stage is carried out. The segmentation method comprises the following steps: cutting and preprocessing a training data set, then constructing a brain tumor segmentation network DCU-Net based on a U-Net network, then inputting a preprocessed two-dimensional image into a segmentation model for feature learning and optimization, obtaining an optimal parameter model of the segmentation model, and finally inputting a to-be-segmented test data set image into the segmentation model for tumor region segmentation. According to the method, the problems of over-segmentation and under-segmentation in brain tumor segmentation can be effectively solved, and the brain tumor segmentation precision is improved.

The invention belongs to the technical field of computer applying and the subfield of the machine learning theories and application and focuses on the traffic sign recognizing problem in the intelligent traffic technology. A traffic sign recognizing method based on multi-resolution convolution neural networks is characterized by solving the problem that the speed is low when the convolution neural network is used for recognizing traffic signs, two-dimensional images with different resolutions are used as input, the two convolution neural networks with the same structure are operated in parallel to carry out feature mapping and extracting, and accurate classifying and recognizing are carried out based on a weight threshold value trained by the networks. The two CNNs with different resolution branches are used for replacing a basic CNN structure, the overall and outline features can be mapped through the high-resolution image input, the local and detailed features can be mapped through the low-resolution images, the recognizing resolution is guaranteed, and the model training speed is increased.

The invention provides an OLED (Organic Light Emitting Diode) pixel arrangement structure. The OLED pixel arrangement structure comprises an R sub-pixel group, a G sub-pixel group and a B sub-pixel group; the R sub-pixel group is formed by plural R sub-pixels; the G sub-pixel group is formed by plural G sub-pixels; the B sub-pixel group is formed by plural B sub-pixels; the R sub-pixel group, the G sub-pixel group and the B sub-pixel group are arranged separately to enable every adjacent R sub-pixel, G sub-pixel and B sub-pixel which are arranged in the R sub-pixel group, the G sub-pixel group and the B sub-pixel group respectively to form a pixel. According to the OLED pixel arrangement structure, the same color of sub-pixels are gathered into a sub-pixel unit and accordingly the opening rate of a metal mask template can be improved under the same resolution of an OLED display screen in comparison with the single sub-pixel in the prior art, the problem that the manufacture of the metal mask template is difficult is solved, or every sub-pixel in one sub-pixel unit can be small under the same opening rate of the metal mask template so as to well improve the resolution of the OLED display screen.

The invention discloses a target detection method based on a dense connection convolutional neural network, and the method employs a network structure in which a plurality of dense connection blocks and conversion layers are alternately connected to replace a conventional overall structure in order to reduce the parameter quantity and improve the feature reuse effect, and achieves the feature extraction, and can achieve the discrimination feature mapping in an image. The global attention module fuses the feature maps of the four different receptive fields to solve the problem that the sizes ofsingle-layer receptive fields are the same in the past; And meanwhile, the last three convolutional layers of each branch enable the feature map of the bottom layer to have enough excellent feature expression on the premise of ensuring the resolution. The image target detection model provided by the invention can effectively extract the features of the image and extract the feature map which hasdifferent size receptive fields and is fused with multi-level information; Meanwhile, the detection effect of the small object is improved through combination of the semantic information and the spatial information; Meanwhile, the whole network can achieve end-to-end training, the real-time detection speed is kept, and meanwhile the target detection effect is improved.

The invention discloses an image-brightness-characteristic-based pan / tilt / zoom (PTZ) video visibility detection method, which comprises the following steps of: acquiring a road condition video image by using a PTZ video camera, extracting a region of interest (ROI) of the road surface, and acquiring high consistency of the selected pixels; obtaining an accurate road surface region by utilizing a Nagao-filtering-based regional growth algorithm, and ensuring consistent illumination of the selected pixels in a world coordinate; in the road surface region, extracting a contrast curve reflecting the road surface brightness change, searching brightness curve characteristic points, and calculating the farthest pixel which can be identified by human eyes in the image through an extinction coefficient; and combining the camera to calibrate and convert the maximum visual range, and determining a visibility value. In the method, artificial markers are not needed to be set, the existing PTZ camera is fully utilized to shoot road condition and acquire images, can monitor the road condition in real time, and is low in monitoring cost; moreover, the requirement on large-area road condition monitoring is met, the monitoring is stable and is not interfered by external environment, and the visibility monitoring method is easy to implement, high in accuracy and good in effect.

The invention relates to the technical field of photoacoustic imaging and discloses a rapid photoacoustic tomography device and a rapid photoacoustic tomography method based on limited-angle scanning. The method comprises the following steps of: transmitting pulse laser into an imaging sample to generate a photoacoustic signal, acquiring the photoacoustic signal at a limited position on an arc through an ultrasonic detector unit, amplifying the signal through a signal amplifier, converting the photoacoustic signal into an electric signal through an analog / digital (A / D) converter, and finally transmitting the electric signal to an oscilloscope to finish digital signal acquisition; inputting the photoacoustic signal of the imaging sample into a computer, performing filtering and Fourier transform processing on the photoacoustic signal through the computer, extracting the frequency domain information of the photoacoustic signal according to experiment conditions, establishing a forward projection operator and a measurement matrix, and performing reconstruction imaging on the signal based on a quick thinning algorithm through the computer. The method and the device have the advantages of short signal acquisition time, high reconstruction speed, convenience in operation, high adaptability, high expansibility and the like.

The invention discloses a no-grid co-prime array DOA (direction of arrival) estimation method based on virtual array interpolation, and mainly solves a problem of information loss caused by the heterogeneity of a virtual array in the prior art. The method comprises the implementation steps: constructing a co-prime array at a receiving end; receiving an incident signal through the co-prime array, and carrying out the modeling; calculating an equivalent virtual signal corresponding to the receiving signal of the co-prime array; constructing an interpolation virtual array, and carrying out the modeling; constructing a multi-sampling snapshot signal of the interpolation virtual array and a sampling covariance matrix; constructing a projection matrix, and defining projection calculation correlated with the projection matrix; designing an optimization problem based on the minimization of the nuclear norm of the signal covariance matrix of the interpolation virtual array, and solving the optimization problem; and carrying out the estimation of the DOA according to the reconstructed covariance matrix of the interpolation virtual array. The method improves the DOA estimation freedom degree and resolution, and can be used for the passive positioning and target detection.

The invention discloses a co-prime array wave arrival direction estimation method based on interpolation virtual array signal atom norm minimization. The objective of the invention is to solve the problem of an information loss caused by non-uniformity of a virtual array in the prior art. The method comprises following steps that a receiving end constructs a co-prime array; based on the co-prime array, an incidence signal is received and modeling is performed; an equivalence virtual signal corresponding to the a co-prime array receiving signal is calculated; an interpolation virtual array is constructed and modeling is performed; a multi-sampling snapshot signal of the interpolation virtual array and a sampling covariance matrix thereof are constructed; a projection matrix is constructed and projection calculation related to the projection matrix is defined; an optimization problem based on the interpolation virtual array signal atom norm minimization is designed and solved; and direction-of-arrival estimation is performed according to the reconstructed interpolation virtual array covariance matrix. According to the invention, the freedom degree and the resolution of the direction-of-arrival estimation are improved and the method can be used for passive positioning and target detection.

The invention provides a method for comprehensively recovering tungsten and fluorine from minerals, namely a mixed acid of phosphoric acid and sulfuric acid is adopted for decomposing complex calcium-containing minerals containing fluorite, scheelite, apatite, and calcite, wherein the fluorite is decomposed to fluorine hydride or silicon tetrafluoride to escape, and absorption treatment is performed for preparing hydrofluoric acid or a fluoride salt; and the scheelite is transformed to phosphotungstic acid to enter into a solution, and filtrate after filtration is supplemented into the consumed sulfuric acid and the phosphoric acid after extraction of the tungsten and returned to the new-round mineral leaching. The method disclosed by the invention has the advantages of comprehensively recovering the fluorine and the tungsten from the minerals, reducing the requirements on the fluorite or the tungsten ore raw material, reducing the pressure on a mineral dressing link, improving the comprehensive recovery rate and simultaneously ensuring the decomposition rate of the fluorite and the scheelite, wherein the decomposition rate of the fluorite is above 98%, and WO3 contained in decomposition slag is reduced to below 0.5%; furthermore, a leaching agent can be recycled, so that leaching cost and wastewater emission are greatly reduced; and the method also has the advantages of simple leaching equipment, convenience in operation and easiness in realization of industrialization.

The invention discloses an image-spectrum-polarization-state integrated obtaining apparatus and method. A front-end telescopic system, a lambda / 4 wave plate for achromatism, a phase delay, a polarizing film array, a half-wave plate for achromatism, a Wollaston prism, a Savart polariscope, a phase delay, an analyzer LA, an imaging mirror group, and a plane array CCD are arranged from left to right by using a main optical axis as a center along a propagation direction of incident light. Two pairs of dual-channel complementary interferograms are obtained respectively at an upper subarea and a lower subarea of the CCD and the four interferograms are added to obtain target image; pure interference fringes are obtained by subtraction of the interferograms; and the pure interference fringes are added and subtracted to keep single-channel interference fringes and fourier transform is carried out to obtain traditional intensity spectrum and linear polarization spectrum information of a target. Channel filtering of optical path difference dimension is avoided during the spectrum recovery process; and the background noises are inhibited from the hardware.

The invention discloses a transient electromagnetic response signal horizontal component measuring method and an observation device thereof. A transmitting coil (4) is designed to be provided with two mutually perpendicular symmetry axes. A plane is perpendicular to one symmetry axis and passes through the other symmetry axis to form a reference plane (1). The vertical reference plane (1) is parallel to the first symmetry axis to form a receiving coil winding cylindrical surface (6). A receiving coil (2) is continuously wounded on two sides of the reference plane (1) towards the same direction with the receiving coil winding cylindrical surface (6) as a datum. Finally, signals of the transmitting coil (4) and the receiving coil (2) can be measured and calculated. Through adoption of symmetry of primary-field horizontal component signals of the symmetrical transmitting coil, primary-field induction signals in the receiving coil are mutually canceled so that secondary-field horizontal component signals can be reserved and signal to noise ratio (SNR) of secondary response signal measurement of transient electromagnetism can be guaranteed. Consequently, resolution capability of an exploration system is improved. The transient electromagnetic response signal horizontal component measuring method and the observation device thereof can be applied to the transient electromagnetic exploration field such as in the aviation field, in the ocean field, on the ground and in wells and roadways.

The invention provides a super-resolution imaging system and method with stable images. The method comprises the following steps: firstly, placing an imaging optical element group, an oscillating mirror, a spectroscope, an imaging lens group and an imaging camera sequentially in the imaging optical path direction of a propagation path of an observed aiming beam; connecting an input end of a super-resolution image synthesis unit, which is used for synthesizing a plurality of undersampled images transmitted by a receiving and imaging camera into super-resolution images, with an output end of the imaging camera; placing the imaging optical element group, the oscillating mirror, the spectroscope, a detecting lens group and a detecting camera sequentially in a detecting optical path direction of the propagation path of the observed aiming beam; connecting an output end of the detecting camera with an input end of a computing control unit; connecting an input end of an oscillating mirror driver with an output end of the computing control unit; connecting an output end of the oscillating mirror driver, which is used for amplifying the voltage analog quantity sent by the computing control unit into the driving voltage analog quantity of the oscillating mirror and outputting the driving voltage analog quantity to the oscillating mirror, with a driving end of the oscillating mirror.

The invention discloses an SAR (synthetic aperture radar) direction ambiguity suppression method based on antenna main lobe dominance intensity constraint and relates to synthetic aperture radar image techniques. The method includes: determining an antenna main lobe energy dominance region according to distribution conditions of SAR direction ambiguity energy within a PRF (pulse repetition frequency) corresponding to an antenna directivity diagram; completing data imaging of the antenna main lobe energy dominance region; taking the amplitude relation between the imaging result and an original full-resolution image as a judgment condition to subject the original full-resolution SAR image to selective intensity constraint to realize direction ambiguity suppression of the original image. The method overcomes the defect that traditional suppression methods are limited by scenes and target characteristics or only suitable for local image processing, and direction ambiguity suppression of large-area SAR images can be quickly completed while indexes such as SAR image resolution, peak sidelobe ratio and integral sidelobe ratio are not worsened and original phase information of the SAR images is reserved.

The invention discloses a low-cost dual-band optical zoom lens, which sequentially comprises a front lens group with negative focal power, a diaphragm and a rear lens group with positive focal power from an object side to an image side, wherein the front lens group comprises a convex-concave first lens with negative focal power, a double-concave second lens with negative focal power and a convex-concave third lens with positive focal power, the rear lens group comprises a double-convex fourth lens with positive focal power, a double-convex fifth lens with positive focal power, a double-concave sixth lens with negative focal power and a double-convex seventh lens with positive focal power, and the fifth lens and the sixth lens are glued assemblies. A variation of a 2.8-10mm focal range is realized through changing the air space between the front lens group and the rear lens group. The lens disclosed by the invention only uses seven lenses, materials of the lenses do not contain expensive lanthanide series glass and ultralow chromatic dispersion glass, has good processing properties, and effectively controls the cost. The lens is designed for a 1 / 2.7-inch sensor, the resolution achieves mega pixels within the overall focal range, and day and light confocal imaging is realized.

The embodiment of the application provides a laser marking method. The method comprises following steps: a control mainboard receives coordinates and grey values of target image pixel points; the control mainboard calculates the output power of the target image pixel points according to the grey values; and the control mainbaord controls a laser to output laser light aiming at the target image pixel points with corresponding output power according to the displacement of a vibration mirror. According to the application, an independent pixel point can embody the change of the grey value by the adjustment of the output power of the target image pixel points (marking points), so that the grey value of the image can be presented. The coordinates of the pixel points of the grey-scale image is calculated according to preset resolutions, and the coordinates of the pixel points are not adjusted during a marking process, so that the resolution of the grey-scale image can be guaranteed. A manner that the gray scale is embodied through the density of the marking points is abandoned, and each marking point can embody the grey scale, so that the marking efficiency is relatively improved.

The invention discloses a display panel and a display device, belongs to the technical field of display, and is used for preventing the deformation of a high light transmission area caused by the external pressure, thereby ensuring the light transmission effect of the high light transmission area and ensuring the resolution of a photosensitive assembly arranged below the high light transmission area. The display panel comprises dividing a non-display area into a first area with smaller touch signal line density and a second area with larger touch signal line density according to the wiring density of the touch signal lines in the non-display area, wherein the non-display area is provided with a first sub-support column and a second sub-support column; in a first area, a supporting component is arranged on one side, facing a second substrate, of a first substrate, orthographic projections of at least part of the first sub-support column on the first substrate are overlapped with orthographic projections of the supporting component on the first substrate, and in a second area, orthographic projections of at least part of the second sub-support column on the substrate are overlapped with orthographic projections of the touch signal lines on the first substrate, and the supporting component and the touch signal lines are mutually insulated.

The invention belongs to the technical field of optical interference detection and particularly relates to a phase shift point-diffraction interference detection device and method based on a reflecting grating. The phase shift point-diffraction interference detection device based on the reflecting grating comprises a light source, a collimation and beam expanding system, a window, an object to be detected, a first lens, an unpolarized splitting prism, the reflecting grating, a small-hole reflector, a second lens and an image sensor. A light beam emitted by the light source enters the collimation and beam expanding system, the outgoing beam subjected to collimation and beam expanding of the collimation and beam expanding system enters the first lens through the window and the object to be detected, and the light beam subjected to focusing of the first lens is divided into a bundle of reference light and a bundle of object light by the unpolarized splitting prism. The reference light irradiates to the small-hole reflector, and the object light irradiates to the reflecting grating. The phase shift point-diffraction interference detection device based on the reflecting grating is low in system complexity and cost, simple in structure, flexible and convenient to operate and free of special optical elements of a polarizer group and the like.

The invention discloses an automatic gain control method for audio frequency, which presets the initial gain value. The method comprises: check whether the present frame input signal is mute frame signal; if it is a mute frame signal, directly output the present frame input signal; otherwise, process the present frame input signal in an amplification gain device and then output it. Besides, the invention also discloses an automatic gain control device for audio signal. The method and device disclosed in the invention, which do not amplify the background noise and do not produce signal distortion, are able to realize the automatic control of output power in hearing aid under the condition of ensuring the speech resolution ability.

The invention discloses a low-dose X-ray CT image reconstruction method. The low-dose X-ray CT image reconstruction method sequentially comprises the steps that (1) imaging system parameters of CT equipment and projection data in low-dose CT scanning protocol are obtained, (2) the projection data variance on each data point is calculated according to the projection data obtained in the step (1) and the position of each data point and the number of all the data points are showed, (3) a projection data recovery model is established according to the projection data variances estimated in the step (2), (4) solving is carried out according to the projection data obtained in the step (1) by means of the projection data recovery model established in the step (3) to obtained recovered projection data, and (5) image reconstruction is carried out according to the recovered projection data obtained in the step (4) to obtain a reconstructed CT image. The low-dose X-ray CT image reconstruction method has the advantages that noise and artifact of the image can be greatly reduced, the resolution ratio of the original image can be well kept, and high-quality reconstruction of the CT image is finally achieved.

The present invention discloses a resolution test chart and a resolution test method of an ultra-wide angle lens. The resolution test chart comprises a spherical cover, an opening being formed at the lower end of the spherical cover; the inner surface of the spherical cover is provided with a plurality of horizontal test stripes and a plurality of vertical test stripes; the horizontal test stripes extend along the horizontal direction of the spherical cover and are distributed from the apex of the spherical cover to the opening; the projections of the horizontal test stripes in a horizontal plane are concentric annuluses; the vertical test stripes are distributed along the vertical direction of the spherical cover and extend from one side of the opening, pass through the top of the spherical cover and extend to the opposite side of the opening, so that second test regions which are centrally distributed at the inner surface of the spherical cover can be formed; and the projections of the vertical test stripes in the horizontal plane are straight stripes which are parallel to each other. With the resolution test chart adopted, the size of a test chart required by the measurement of the resolution of the ultra-wide angle lens can be decreased, the basic patterns of stripes in an obtained test image can be basically constant when the resolution of a large-distortion lens is tested, and test accuracy can be improved.

The invention provides an image processing method, an image processing apparatus, and a terminal. The method comprises the following steps: obtaining image data of N images, wherein N is an integer greater than 1; respectively performing pixel merging processing based on a first scale on the image data of the N images to obtain image data of a first image obtained by merging the N images; and performing upsampling on the image data of the first image obtained by merging the N images based on a super-resolution reconstruction algorithm to obtain image data of a first super-resolution image, wherein the resolution of the first super-resolution image is greater than the resolution of the image obtained by merging the N images. By adoption of the scheme, a better dynamic range and more detailscan be obtained on the premise of ensuring the image resolution.

The invention provides a multispectral collection system, which comprises an imaging objective lens device, a sampling mask device, a prismatic decomposition device, a photographing device and a spectrum collection calibration device, wherein the imaging objective lens device is used for converging and transmitting scene light rays once to generate transmission light rays and comprises a first lens and a second lens; the sampling mask device is positioned at an imaging plane between the first lens and the second lens and is used for performing space sampling on a scene; the prismatic decomposition device is positioned at the rear end of the imaging objective lens device and is used for performing chromatic dispersion on the transmission light rays which pass through the imaging objective lens device to form spectra on a plurality of wavelengths; the photographing device is positioned at the rear end of the prismatic decomposition device and is used for imaging the spectra on a plurality of wavelengths to generate an image to be calibrated; and the spectrum collection calibration device is positioned at the rear end of the photographing device and is used for calibrating and correcting sampling points of the image to be calibrated to acquire spectrum information of the sampling points of the scene. The invention also provides a multispectral collection method. By the multispectral collection system, high-resolution multispectral data acquisition with large range of depth of field and luminous flux can be realized.

An MEMS accelerometer comprises a substrate, an acceleration sensitive chip and an integrated circuit, wherein the acceleration sensitive chip and the integrated circuit are arranged on the substrate, a temperature sensor is further arranged on the substrate and is adjacent to the acceleration sensitive chip, and the acceleration sensitive chip comprises a plurality of measurement bodies. Each measurement body comprises a mass block and a comb tooth structure, wherein the comb tooth structure comprises movable comb teeth extending from the mass block and fixed comb teeth, the movable comb teeth and the fixed comb teeth are arranged at intervals and form a difference detection capacitor, the comb tooth structure is divided into multiple groups, the multiple groups of comb teeth structures are divided into a first part and a second part, the variation direction of movable intervals of the comb tooth structure of the first part and the variation direction of movable intervals of the comb tooth structure of the second part are opposite, and one group of the comb tooth structure and one group of the comb tooth structure of the second part respectively output an electric signal. The MEMS accelerometer resolves the problems that a traditional MEMS accelerometer is large in temperature factor and large in temperature hysteresis.

The invention provides an image registration method and an image registration device based on a cascade structure. The method comprises the steps: carrying out bilateral matching processing on a characteristic point of a reference image and that of an input image to obtain a first coarse matching group; eliminating matched pairs in the first coarse matching group according to a predetermined confidence coefficient to obtain a second coarse matching group, wherein the similarity of the matched pairs eliminated from the first coarse matching group is lower than the predetermined confidence coefficient; eliminating the matched pairs in the second coarse matching group according to a predetermined threshold value to obtain a third coarse matching group, wherein the gray distance or the space distance between any two matched pairs in the matched pairs eliminated from the second coarse matching group is greater than the predetermined threshold value; processing the matched pairs in the third coarse matching group by adopting an RANSAC (RANdom SAmple Consensus) algorithm; and aligning the reference image with the input image spatially according to a transformational matrix so as to obtain an output image.

Provided is a small and high resolution optical rotary encoder which is unlikely to generate detection errors, even if a rotary scale is inclined at attitude fluctuation of the rotational shaft. The encoder 2 is provided with a light source 4, disposed near a rotation center line 10 of the rotational shaft 12, the rotary scale 14 attached to the rotational shaft, rotated about the rotational center line and having an optical pattern 16, comprising a light-transmitting part and a light-shielding part alternately formed in the circumferential direction; a reflection element 18 disposed and spaced from the rotary scale, reflecting and converting the light from the light source into a parallel light flux, prevented from a width change in a cross section including the rotational center line, irradiating the light transmitting part of the rotary scale with the parallel light flux and directing the light transmitted through the light transmitting part to the periphery of the light source; and a light-receiving element 8 for receiving the light transmitted through the light-transmitting part.

The embodiment of the invention, which relates to the technical field of camera testing, discloses a camera testing system and method, a terminal and a computer-readable storage medium. The testing system is composed of a control unit, a test light box, a test stand arranged in the test light box, and a test picture card arranged in the test light box. The test stand is used for fixing a to-be-tested terminal and being connected to a camera of the to-be-tested terminal. The control unit in communication connection with the test stand and the camera is used for controlling the test stand to move freely in the test light box, triggering the camera to carry out shooting after the test stand reaches a designated position, and acquiring image information shot by the camera. With the camera testing system and method, the terminal and the computer-readable storage medium, while the need of testing the camera of the terminal is met, the testing requirements of the resolution, ambient light source types, and picture quality and the like are guaranteed and the testing costs are lowered and the economic and practical effects are good.

The invention relates to an electron microscope identification method for residual oil in light reservoir nanopores and a device for executing the method. The method comprises the following steps: obtaining an electron microscope sample; processing the electron microscope sample to obtain a flat section with exposed micro-nanopores; obtaining an back scattering image without an electric charge phenomenon on the flat section with the exposed the micro-nanopores, wherein the back scattering image without the electric charge phenomenon displays the micro-nanopores and distribution of the protogenetic organic matter; on the same imaging position, obtaining an back scattering image of residual oil charges, which displays the micro-nanopores and distribution of the protogenetic organic matter; respectively extracting the pores from the back scattering image without the electric charge phenomenon and the back scattering image of the residual oil charges to obtain distribution of the residual oil in a three-dimensional porous space, so as to realize identification of residual oil in the light reservoir nanopores.

The invention relates to a variable-focus 3-D capsule endoscope system based on a liquid lens. Design is conducted by adding the liquid variable-focus lens to a capsule endoscope optical system, focusing of the system is achieved through zooming of the liquid lens, and therefore clear images of a shot target can be obtained at any position. Sequences of the obtained clear images are processed and calculated, more accurate three-dimensional information of the shot target is obtained, and therefore the 3-D imaging or three-dimensional ranging function is achieved for the shot object, and doctors can better judge diseased parts and lesion degrees. Clearer images of human body alimentary canals can be obtained, the calculation accuracy is improved, and the three-dimensional information of the shot target is more accurately obtained. The capsule endoscope diagnosis accuracy and the work efficiency of the doctors can be effectively improved.

The invention concerns a novel parallel method for detecting biological material, in particular peptides or proteins, in a sample at least one probe for use in the said method, a plurality, or library, of said probes for use in said method, and a kit of parts for carrying out said method wherein said probe comprises a binding partner that is specific for said peptide or protein and, attached thereto, an oligonucleotide comprising: i) a first sequence that is complementary to a forward primer sequence for amplification of said oligonucleotide; ii) a second sequence that is complementary to a reverse primer sequence for amplification of said oligonucleotide; and iii) positioned between said first and second sequences an identification sequence of nucleotides or barcode.

The invention discloses an ultrasonic temperature imaging method based on plane waves. The method includes the following steps that ultrasonic signals are transmitted to a test area according to different preset deflection angles with a preset number at the initial moment, echo signals sent back from the test area are received, and images with a preset number are obtained; the obtained images with the preset number are superimposed according to preset conditions, and a first frame of compound image is obtained; compound images with a first number in the test area are obtained within set time; accumulation is conducted on the temperature changes between adjacent frames of compound images of the compound images with the first number according to the time sequence, and a two-dimensional temperature distribution diagram corresponding to the last frame of compound image is obtained; a B-ultrasonic image of one frame of compound image is obtained; the B-ultrasonic image and the two-dimensional temperature distribution diagram are merged, and a two-dimensional temperature image of the test area is obtained. According to the ultrasonic temperature imaging method, very good sensitivity is achieved on ultrasonic radio frequency data changes caused by temperature changing, estimation of the temperature is facilitated, and the resolution ratio and the contrast ratio of the image can be ensured.