20results about How to "Improve defogging effect" patented technology

The invention discloses an image defogging method for an extremely complex environment, a medium and a program product, and the method comprises the steps: inputting an obtained real-time degraded image into a pre-trained clear image extraction network, and generating a defogged clear image; the training method of the clear image extraction network comprises the following steps: inputting a historical degraded image into an atmospheric light extraction module to obtain an atmospheric light value; inputting the historical degraded image into a clear image extraction network to obtain a clear image; inputting the historical degraded image into a transmission image extraction network to obtain a transmission image; inputting the obtained clear image, the projection image and the atmospheric light value into an atmospheric scattering model to obtain a synthetic degraded image; and based on a first error between the synthesized degraded image and the historical degraded image and a second error between the clear image and the standard clear image, adjusting parameters of the clear image extraction network and the transmission image extraction network, and completing training of the clear image extraction network and the transmission image extraction network. According to the invention, the image defogging effect can be effectively improved.

The invention discloses a titanium dioxide calcination tail gas dust content ultralow emission method, relates to the technical field of titanium dioxide production tail gas treatment, and solves the technical problem of high tail gas dust content caused by the fact that actual tail gas treatment cannot meet the emission standard in the existing titanium dioxide calcination process. The method comprises the following steps: S1, carrying out primary spraying treatment on tail gas obtained after titanium dioxide is calcined so as to preliminarily remove dust and sulfur dioxide pollutants in the tail gas; s2, the tail gas treated in the step S1 is subjected to secondary water spraying treatment so as to absorb sodium sulfite generated in the step S1; and S3, the tail gas treated in the S2 is subjected to demisting treatment, so that acid mist in the tail gas is removed, and the tail gas reaches the emission standard. The device has the advantages that pollutants generated in the tail gas calcination process can be fully absorbed, and the tail gas dust content is reduced.

The application discloses a deep learning-based artillery barrel target image defogging method and system, which comprises the following steps: inputting an original artillery barrel target image into a trained defogging enhancement network model for processing, wherein the defogging enhancement network model comprises an improved U-Net module, an AOD-Net module and an atmospheric scattering model layer connected in sequence; the improved U-Net module is used to extract multi-scale features of the original artillery barrel target image, and output the multi-scale feature maps to the AOD-Net module; the AOD-Net module is used to extract features under different receptive fields of the multi-scale feature maps through different convolution layers, realize multi-scale feature fusion, and output input values of the atmospheric scattering model layer; and the atmospheric scattering model layer is used to obtain the defogged artillery barrel target image based on the input values. The model is constructed by connecting the U-Net and the AOD-Net in series, a new model optimizer is proposed, the algorithm of gradient descent is optimized, and a self-adaptive weight loss function is introduced, so that efficient defogging processing under complex fog and haze conditions is realized.

The present invention belongs to the field of flue gas treatment technology, and in particular to a flue gas rectifying and demisting device for desulfurization. Aiming at the technical problem that the spray equipment on the existing demisting device has limited cleaning effect on the scale of the demisting blades, the following scheme is proposed, including a treatment tower, the bottom of the treatment tower is fixedly connected with a base, and the upper side of the treatment tower is provided with a smoke exhaust pipe, and the outside of the treatment tower is provided with a smoke delivery pipe, and the inner wall of the treatment tower is fixedly connected with two symmetrical square frame brackets, and the same fixed-point high-pressure flushing module is provided above the two square frame brackets, and the fixed-point high-pressure flushing module includes two symmetrical fixed plates. A flue gas rectifying and demisting device for desulfurization disclosed in the present invention can greatly improve the cleaning effect of the device on the scale on the diamond hole mesh, avoid the situation that the scale on the diamond hole mesh cannot be cleaned and the scale spreads over a large area, which affects the demisting effect of the device, and improves the demisting effect and use function of the device.

The invention provides a polarization image defogging method based on a neural network, and belongs to the technical field of image processing, and the method comprises the steps: obtaining a plurality of fogged polarization images, and generating a polarization image package; constructing a neural network defogging model; and based on the constructed neural network defogging model, carrying out defogging processing on the foggy polarization image in the generated polarization image packet to obtain a fogless image. According to the image defogging method, the deep learning and the polarization imaging technology are combined, the problem that the calculation complexity of the polarization imaging technology is high can be effectively solved, the overall generalization ability and defogging level are improved, and better robustness and high adaptability can be shown in the face of different types of fog and different degrees of haze.

The application discloses a kind of light multi-scale image defogging methods based on attention mechanism, the method is first to the feature extraction of fog image;Then the feature map obtained is input MDSCA- NET network, and the fog-free image is reconstructed;The MDSCA- NET network includes several image defogging models, model fusion module;The image defogging model includes feature attention module, fog-free map generation module;The feature attention module is used to extract the pixel feature in feature map;The fog-free map generation module is used to generate initial defogging image for pixel feature map;The model fusion module is used to use alternating direction multiplier optimization algorithm to carry out model fusion to several image defogging models, and output final defogging image.Experiments show that the MDSCA- NET network proposed in the application obtains significant results under the comprehensive measurement of model performance and parameter quantity.

This invention discloses an image dehazing method, system, and embedded device. The dehazing method of this invention adopts a two-branch dehazing model. The first branch of the dehazing model preserves the edge details of the hazy image by constructing bilateral grid data, thereby improving the clarity of the restored image. The fusion module fuses the bilateral grid data output by the first branch of the dehazing model and the depth information output by the second branch of the dehazing model, thereby improving the model's dehazing capability and effectively solving problems such as color distortion and incomplete dehazing.

The utility model relates to the technical fields of petroleum chemical demister, especially to the multistage demister for petroleum chemical industry, which can effectively enhance the demisting effect, avoid the corrosion caused by the liquid droplet flow out of flue gas carrying to equipment and pipeline etc, improve the service life of equipment, including the riser and outer cylinder, four groups of connecting columns are arranged on the outer wall of riser upper side annular equidistance, the inner wall of outer cylinder is fixedly connected with four groups of connecting column outside, the inner wall of riser is fixedly provided with spiral blade, the inner side of spiral blade is fixedly provided with multiple baffle groups, the top of riser is fixedly and continuously provided with the blanking bushing, multiple gas outlets are arranged on the blanking bushing upper annular equidistance, multiple tangential guide plates are respectively blocked outside multiple gas outlets and are tangent with the outer wall of blanking bushing, multiple spiral guide plates are fixedly arranged on the inner wall of outer cylinder upper annular equidistance, the top of drainage hopper is fixedly connected with the top cover, three exhaust ports are annular equidistantly arranged on the taper surface of drainage hopper and are communicated.

The efficient and uniform demisting device suitable for the stage lamp and the stage lamp provided with the efficient and uniform demisting device are provided, the demisting device comprises the draught fan and the air guiding device, the draught fan generates air flow and guides the air flow to a lens of the stage lamp through the air guiding device, and an air inlet of the draught fan is far away from the lens. The demisting device is arranged in the lamp holder, hot air in the lamp holder can be extracted and blown to the lens, the lens is heated, and therefore demisting is fast and good, the structural arrangement is simple and easy to implement, the demisting efficiency and the demisting effect are improved, and the demisting device is more economical and environmentally friendly; secondly, the air guide device is arranged between the air outlet of the fan and the lens, an outlet air duct of the air guide device is divided into a plurality of shunting air nozzles through a plurality of flow deflectors, and airflow is directionally guided to different areas of the lens through the shunting air nozzles in different directions, so that the airflow is prevented from being concentrated in an edge area or a middle area of the lens; the uniformity of the overall airflow coverage of the lens is improved, and an excellent demisting effect is further provided.

The invention discloses an image defogging enhancement method and system for a fully mechanized coal mining face in a dust fog environment, and the method comprises the steps: obtaining a to-be-processed foggy image, carrying out the encoding operation of the foggy image through an encoder, and obtaining an encoding feature from the foggy image; inputting the obtained coding features into a bottleneck layer integrated by a DM module to realize feature coupling of the coding features in a space domain and a frequency domain to obtain fusion features; and carrying out decoding processing on the obtained fusion features through a decoder, and outputting to obtain a target defogged image. The system comprises a camera and an image defogging network model module based on double-domain coupling. The non-uniform haze feature representation and global feature perception are enhanced through the deformable convolution and amplitude phase guidance strategy, the image feature extraction definition of the model is improved, the details and structure of the image are restored, and the defogging effect and generalization and generalization ability of the model are improved.

The invention relates to the technical field of water vapor recovery and demisting, in particular to a resistance-adjustable energy-saving cooling tower water vapor recovery and demisting device, comprising: a condensation module comprising a plurality of condensation assemblies for condensing water vapor in a cooling tower into liquid and a ventilation isolation door connected with the condensation assemblies for controlling the spatial position of the water vapor; a conveying module; an exhaust module; a detection module; the control module is used for determining the opening condition of the ventilation isolation door and the first rotating speed of the exhaust motor according to the air pressure in the cooling tower, judging the effectiveness of water vapor recovery according to the air humidity at the top of the cooling tower and the increment of the water flow in the water tank, and determining an effectiveness processing mode according to the effectiveness of water vapor recovery, and the motor rotating speed of the water delivery pump is adjusted, or the second rotating speed of the exhaust motor and the opening frequency of the ventilation isolation door are determined according to the gas flow speed in the condensation assembly. According to the invention, the effectiveness and stability of water vapor recovery are improved.

The utility model discloses a kind of heating door body and refrigerator, including door frame, door body and heating element, door frame has installation through slot, and door body is installed in installation through slot by the opening of installation through slot;Door body includes first glass panel and second glass panel, first glass panel and second glass panel are clamped with first heat conduction element between, first heat conduction element is set along the circumferential extension of first glass panel, and respectively with first glass panel and second glass panel is attached;First glass panel is located at the outside of second glass panel and set close to opening;Heating element extends along the circumferential of first heat conduction element, and is set around the outer periphery of heat conduction element.A kind of refrigerator, including cabinet and above-mentioned heating door body.The first glass panel of the heating door body of the refrigerator and second glass panel are separated by first heat conduction element, heating element is connected with first heat conduction element, and heat can be quickly transferred to door body, to improve the defogging effect of glass panel, indirectly enhance the visual effect of door body.

The invention discloses an image defogging method and system based on adaptive convolution and texture prior, and belongs to the technical field of computer vision. The method comprises the following steps: acquiring an original image; inputting the original image into a self-adaptive multi-scale convolution module in the defogging model for processing to obtain a coding feature map; according to a discrete feature codebook obtained through pre-training, optimizing the coding feature map through a texture restoration module in a defogging model to obtain a texture restoration feature map; and processing the texture restoration feature map through a decoder in a defogging model to obtain a defogged target image. According to the scheme, on one hand, the feature extraction effect of non-uniform fog spots in a complex real scene is improved through the adaptive multi-scale convolution module, and on the other hand, the smoothed texture in the feature extraction process is restored through the texture restoration module, so that the defogging effect of the image is improved.

The invention discloses a zero-sample image defogging method based on high-frequency enhancement and depth guidance optimization, which comprises the following steps of: firstly, extracting a high-frequency component from a single foggy image by utilizing Laplacian pyramid decomposition, and inputting the foggy image and the high-frequency component thereof into a defogging network; and performing dynamic weighted fusion on the high-frequency detail information and the low-frequency structure information through a multi-scale feature adaptive enhancement module, and estimating transmissivity and atmospheric optical parameters based on an estimation network to generate a defogged image. Furthermore, a re-atomization network which is symmetrical with the defogging network structure is introduced to generate a re-atomization image, a bidirectional mapping relation between defogging and fogging is constructed, and joint optimization is performed on the network through circulation consistency, atmospheric light consistency, transmissivity consistency and depth consistency constraint based on difference perception. According to the method, the detail fidelity and the structure consistency of the defogging result are effectively improved under the condition that the samples do not need to be supervised in pairs, and the method is particularly suitable for an image enhancement task in a complex non-uniform haze scene.

The invention discloses a digital engine interactive panoramic cabinet for displaying education and science popularization of a navigation museum, which relates to the technical field of display cabinets and comprises a base and further comprises an induction box, a display screen and a display screen, and the induction box is mounted on the base through a support column and used for sensing the gesture of a hand of a user put in the induction box and sending out a signal; a frame body is fixedly connected to the base, the display assembly is connected to the frame body, and a glass screen is arranged at the output end of the display assembly. The device can achieve a periodic airflow blowing effect on the upper surface of the glass screen, water mist on the surface of the glass screen is effectively removed, the display effect is improved, the service life of a display assembly is prolonged, the drying mechanism works, the blown airflow and airflow introduced from the outside can be dried, and the drying effect is improved. And the dried airflow is collected to the output end of the demisting mechanism, so that the airflow blown out of the output end of the demisting mechanism carries the dried airflow, and the demisting effect on the upper surface of the glass screen is improved.

The invention relates to a descending spiral dust removal device, comprising a dust extraction component, an air inlet pipe (5-1), a dust collector body (5) and an air outlet pipe (5-7) connected in sequence, the dust collector body (5) is also provided with a spray component and a drain pipe (5-4), the dust collector body (5) comprises an upper cover, a partition layer (5-11) and a spiral descending bottom plate (5-9), the bottom plate height of the spiral descending bottom plate (5-9) gradually decreases from the center in the direction of a spiral line, the partition layer adopts a spiral structure corresponding to the spiral descending bottom plate (5-9), an air inlet connected to the air inlet pipe (5-1) is provided in the middle of the upper cover, the upper cover, the partition layer (5-11) and the spiral descending bottom plate (5-9) are sealed and connected in sequence to form a descending spiral purification channel for dust removal and drainage, and the tail ends of the purification channel are respectively connected to the air outlet pipe (5-7) and the drain pipe (5-4). Compared with the prior art, the invention has the advantages of small size, low cost and good dust removal effect.

The invention relates to a pair of head-mounted VR glasses, which comprises a glasses body, a fixed frame is arranged on the glasses body, a partition plate is arranged in the glasses body, the top of the partition plate is connected with the fixed frame, glasses lenses are fixed on the partition plate, a movable cavity is formed in the fixed frame, a demisting assembly is arranged in the movable cavity, and the demisting assembly is arranged in the movable cavity. The demisting assembly is used for carrying out demisting treatment on the spectacle lenses by blowing air; the demisting assembly comprises a positioning seat, the positioning seat is fixed on the fixed frame, a first sliding groove is formed in the fixed frame, a movable seat is connected to the first sliding groove in a sliding mode, and a supporting plate is arranged on the movable seat; according to the technical scheme, by arranging the demisting assembly, when the VR glasses are used, the surfaces of the glasses lenses can be subjected to demisting treatment, and the transparency of the glasses lenses can be kept, so that the watching effect is improved, and the user experience is improved.

This invention belongs to the field of environmental protection equipment technology and discloses an active demister for ammonia desulfurization and its usage method. The demister includes multiple demister units arranged in parallel. Each demister unit includes a ventilation cylinder, a lower stationary blade, an upper stationary blade, and a moving blade assembly. The ventilation cylinder is a hollow cylinder with openings at the top and bottom and sealed on all sides. The lower stationary blade, upper stationary blade, and moving blade assembly are coaxially arranged vertically inside the hollow cavity of the ventilation cylinder. The lower stationary blade is fixedly connected to the bottom of the ventilation cylinder, and the moving blade assembly is located above the lower stationary blade. The moving blade assembly can rotate around its central axis. The upper stationary blade is connected to the moving blade assembly via a moving blade bearing, preventing the upper stationary blade from rotating with the moving blade assembly. This device enables the moving blade assembly to rotate in the opposite direction to the stationary blade guide under the upward-moving flue gas, increasing the relative velocity between the flue gas and the blades while reducing gas phase resistance, thus achieving a better demister effect.

The utility model provides a deacidification recovery system of nitrogen for refrigerant R134a production, which belongs to the technical field of fluorination and comprises a fluorination water scrubber, a nitrogen recovery alkaline scrubber, a nitrogen buffer tank, a nitrogen compressor, a refrigerated dryer and a nitrogen storage tank which are sequentially connected along the nitrogen flow direction. A first demister is arranged between the fluorination water washing tower and the nitrogen recovery alkaline washing tower, and a liquid phase outlet in the bottom of the first demister is connected with a liquid return port of the fluorination water washing tower; a second demister is arranged between the nitrogen recovery alkaline washing tower and the nitrogen buffer tank, and a liquid phase outlet in the bottom of the second demister is connected with a liquid return port of the nitrogen recovery alkaline washing tower; an outlet of the nitrogen compressor is further connected with a gas return port of the nitrogen buffer tank, and a nitrogen recovery cooler is further arranged between the nitrogen compressor and the gas return port of the nitrogen buffer tank. According to the system, the waste nitrogen is subjected to deacidification treatment and recycling, and the purposes of saving energy, reducing emission and reducing the production cost are achieved.

The utility model relates to a demister baffling structure, which belongs to the technical field of demisters and comprises a plurality of baffle plates positioned in a reaction tower, each baffle plate comprises a first stirring plate section, a second stirring plate section, a first straight plate section, a first folded plate section, a second straight plate section, a second folded plate section and a third straight plate section, and the first straight plate section, the first folded plate section, the second straight plate section, the second folded plate section and the third straight plate section are integrally connected. The first straight plate section, the second straight plate section and the third straight plate section are arranged in the airflow flowing direction. One end of the first stirring plate section is fixed at one end of the second folded plate section; and one end of the second stirring plate section is fixed at the other end of the second stirring plate section. According to the utility model, one end of the first stirring plate section arranged along the inclination direction of the second folded plate section is fixed at one end of the first straight plate section, and then one end of the second stirring plate section arranged parallel to the second straight plate section is fixed at the other end of the second stirring plate section; according to the demister, airflow in the airflow channel can be uniformly distributed, the airflow velocity gradient is slowed down, and the airflow pressure drop is reduced, so that the demisting efficiency and the demisting effect of the demister are improved.