45results about How to "Eliminate visual blind spots" patented technology

The invention relates to a driving auxiliary device and a driving auxiliary method. The driving auxiliary device comprises image acquisition devices, a display, an image processing device and an alarm. Information of images around a vehicle is acquired, analyzed and processed by using a plurality of the image acquisition devices which are arranged in an optimized manner and the image processing device. On the one hand, traditional physical imaging rearview mirrors of an automobile are removed, visual blind areas of a driver are eliminated, and air resistance of the automobile is reduced; on the other hand, the acquired images are processed by the image processing device, information of risks under different driving conditions is identified, to fulfill the auxiliary functions of active safety driving, such as lane change and early warning for side impact in turning, early warning for safe interval, early warning for recognition of road signs, early warning for lane departure, early warning for pedestrian detection and collision avoidance.

The invention discloses an intelligent internal rearview mirror real-time deblurring method based on a neural network algorithm. The invention collects the road traffic video to generate blurred frameand clear frame, then repeatedly trains the CNN deblurring neural network with time-space recursion to obtain the optimal deblurring model, then takes the video image of the rear pavement collected by the camera as the input, and the obtained output is the dynamic video after deblurring processing. The invention provides an intelligent inner rearview mirror realization replacing the traditional outer rearview mirror, which can reduce the wind resistance, eliminate the visual blind area of a large freight car, and is suitable for bad weather and the like. Compared with the traditional image processing method, the network generated by depth neural network has better effect of deblurring. Improve the traditional CNN deblurring architecture, put forward the idea of space-time recursion, without increasing network parameters to expand the network acceptance domain, so that the efficiency of deblurring is greatly improved, can achieve real-time, and achieve the same effect as the traditional rearview mirror.

The invention provides a driver assistance system which comprises a vehicle, a plurality of sensors, an image processing module, a map module, a positioning module, a central processing module and an image display module. Based on the system, the invention further provides a control method of the driver assistance system. The driver assistance system has the advantages that a real-time, comprehensive and visual vehicle and surrounding environment image is provided for a driver, so that driving safety is improved, accidents are decreased, and driving fun is increased.

The invention discloses an invisible window frame which comprises four parabolic curved mirrors and two flat mirrors. The four parabolic curved mirrors are sequentially connected with one another to form a rhombus and are in the shapes of parabolic curves, and the two flat mirrors are positioned at focal points of the parabolic curves and are parallel to incident light rays. The invisible window frame has the advantages that the invisible window frame is simple in structure, is only provided with the four parabolic curved mirrors and the two flat mirrors without special materials, and is suitable for large-scale application; the problem of visual obstruction due to an existing window frame can be effectively solved, visual blind areas can be eliminated, and landscape can be viewed continuously and completely; traffic accidents due to visual obstruction can be effectively reduced when the invisible window frame is used as a window frame of an automobile.

The invention belongs to the field of vehicle control, and discloses a method, device and equipment for indicating a visual blind area of a vehicle and a storage medium. The method provided by the embodiment of the invention comprises the following steps: acquiring a first original image shot by a first camera device and a second original image shot by a second camera device; performing image synthesis according to the first original image and the second original image to obtain a synthesized image of a visual blind area on the right side of the vehicle; performing weighting processing on thecomposite image to obtain a weighted composite image; and drawing a safety distance warning line on the weighted composite image so as to indicate the safety distance between the vehicle and the vehicle body in the visual blind area on the right side of the vehicle. According to the embodiment of the invention, the method can achieve the effect of eliminating the visual blind area at the right front of the vehicle, draws the safety distance early-warning line on the image of the weighted composite image according to the actual safety distance, gives a reference to a driver for the safety distance, avoids the misjudgment of the driver, and reduces the occurrence rate of vehicle driving accidents.

The invention discloses a vehicle-mounted image system without a blind zone and a display method thereof, and aims to solve the technical problems that in the prior art, a visual blind area exists when an automobile drives, an loaded device is difficult to coordinate, and image display cannot provide a comprehensive viewing angle for drivers. The vehicle-mounted image system includes a vehicle body, a center console, a first camera, a second camera, a third camera, a fourth camera and a fifth camera, wherein the first camera, the second camera, the third camera, the fourth camera and the fifthcamera are fixedly installed at a specific position and connected with the center console through electric signals respectively. According to the technical scheme, the coordination among the monitoring devices is improved, image display provides a comprehensive viewing angle for the driver, the visual blind area of a vehicle in driving is thus completely eliminated, and the driving safety is improved.

The invention discloses an adaptive head lighter turning control algorithm based on lane line detection. The algorithm comprises the following steps that (1) an image is preprocessed, regions of interest are determined according to structural characteristics of the image, the image is divided than, and contrast of different regions is improved via linear grayscale transformation, and an improved Otsu's method is used to binarize the image; (2) an improved Hough transformation algorithm is used to detect lane lines; (3) a curve fitting and curvature radius is calculated; and (4) according to the parking stadia and the geometric relation between the curve illumination distance and the curvature radius, a head lighter angle adjusting model is established and solved. A head lighter is rotatedto eliminate a visual blind area in the inner side of a curve during driving at night, and the driving safety in the curve at night is ensured.

The invention discloses a rearview reversing auxiliary system and a method for forming rearview obstacle images. The method belongs to a method for carrying out automatic identification, distance measurement and final fusion display on obstacles in rearview scenes during the vehicle reversing on the basis that the outer surface of two sides of the back of a vehicle are fixedly and parallelly provided with two cameras. The method sequentially comprises three parts including cutting, distance measurement and fusion, wherein the cutting part comprises pretreatment, self-adaption FCM (fuzzy C-means) cutting and treatment after cutting, the distance measurement part comprises SIFT (scale invariant feature transform) feature matching, camera calibration and distance measurement, the fusion part mainly builds correlation rules and carries out fusion display by combining practical traffic scene conditions according to the measured distance information. The method has the advantages that the vision blind region of the vehicle back is eliminated, obstacles in the rearview images are automatically divided, in addition, the distance from the obstacles to the vehicle is obtained, the fusion display of most urgently concerned obstacles with the nearest distance during the reversing is realized, and the interference of other objects in remote distance is eliminated, so the reversing is more convenient and fast.

The invention discloses a system and method for fish behavior quantitative observation. The system comprises a calibration unit, a binocular vision observation unit, a rapid storage unit and a behavior analysis unit, wherein the binocular vision observation unit is fixedly arranged on an adjusting arm of camera adjusting apparatus through a damping pan-tilt, an observation angle of cameras can beconveniently adjusted through the damping pan-tilt and is sent to the rapid storage unit, the rapid storage unit comprises an image compression board card and a network storage server, the binocular cameras collect images and are connected with the image compression board card, the images are compressed by the image compression board card and stored in the storage server, the behavior analysis unit realizes the preliminary positioning of fishes in the images by using a motion difference method, an optimal observation angle is determined in combination with similarity evaluation, then a shape-based centroid estimation algorithm is introduced to determine the center of gravity of a moving object, positioning of moving fishes is realized, and the movement speed, acceleration, water layer distribution and the like of the fishes can realize movement behavior quantification through a centroid extraction method.

The embodiment of the invention discloses a driving assistance method, device and system. One specific embodiment of the method comprises the steps of establishing connection with video acquisition equipment for acquiring real-time road video information in a predetermined range; receiving real-time road video information sent by the video acquisition equipment; performing 3D splicing on the real-time road video information to form a panoramic video of the surrounding environment; and analyzing driving assistance information from the panoramic video based on a computer vision technology and outputting the driving assistance information. According to the embodiment, the vehicle view can be expanded, and the visual blind area is eliminated, so that the vehicle driving safety and reliabilityare improved.

The invention discloses a method and device for processing a reversing image, computer equipment and a storage medium. The method comprises the following steps: obtaining a posterior video image; cutting the posterior video image to obtain a close-range image and a distant-range image; transmitting the close-range image and the distant-range image to a display interface, wherein the display interface comprises a first display window and a second display window; and displaying the close-range image on the first display window and displaying the distant-range image on the second display window so as to achieve the effects of improving the definition of video pictures and eliminating visual blind areas.

The invention discloses a sample adding plate fixing device, and relates to the technical field of medical scientific research experiments. The device comprises a first supporting plate, a second supporting plate, a rotating assembly and a fixing assembly, the first supporting plate is used for being placed on a horizontal experiment operation table, the second supporting plate is used for placing a sample adding plate, one end of the first supporting plate and one end of the second supporting plate are fixedly connected with the rotating assembly, the first supporting plate and the second supporting plate can be subjected to angle adjustment through the rotating assembly, the fixing assembly is fixedly connected to the second supporting plate, and when the included angle between the second supporting plate and the first supporting plate is an acute angle, the fixing assembly is arranged on the side away from the first supporting plate; and therefore, the problem of low efficiency of sample adding on the sample adding plate during an experiment in the prior art is solved.

The invention relates to the technical field of material storage devices and discloses a combined type material storage rack. The combined type material storage rack comprises a storage rack body. The storage rack body is provided with two installation plates which are spaced at a preset distance. The inner surface of each installation plate is provided with multiple first chain wheels. The multiple first chain wheels on the same installation plate are in transmission connection through a first chain. Multiple groups of material storage portions are arranged between the two installation plates. The two ends of each material storage portion are fixedly connected with portions, adjacent to the material storage portion, of the first chains. The material storage portions are distributed in the circumference direction of the first chains. The outer surface of each installation plate is provided with multiple second chain wheels. The second chain wheels and the first chain wheels on the same installation plate are in one-to-one correspondence. Each first chain wheel and the second chain wheel corresponding to the first chain wheel can synchronously rotate. When the combined type material storage rack works, the multiple second chain wheels on each installation plate rotate sequentially, so that the first chains are driven to move. The combined type material storage rack is high in operation convenience and safety.

The invention relates to a lifting type vision measurement vehicle which comprises a measurement box, a measurement cavity is formed in the measurement box, a supporting seat is fixedly arranged on the bottom wall of the measurement cavity, and a downward sliding groove is fixedly formed in the upper end face of the supporting seat; through the cooperation between the light intensity sensor and the DBR film-coated plate, when the external illumination intensity is insufficient, the DBR film-coated plate is used for enhancing reflection, enhancing transmission, collecting visual light for compensation and weakening the influence of illuminance on response time, the applicability is high, and through the cooperation between the compression hose and the positioning pipe, the response time is shortened. The visual sensing module can be isolated in real time through compressed airflow when the measuring assembly and the visual sensing module are recycled, dust and impurities are prevented from adhering to the visual sensing module in the recycling process, meanwhile, sealing is conducted through the sealing block before airflow isolation is finished, a visual blind area is eliminated as much as possible through the reflection principle by means of cooperation between the reflective mirror and the offset block, and the measurement accuracy is improved. The detection efficiency is improved.

The invention relates to a directory display method and device, and the method comprises the following steps: obtaining the position of a cursor on a display screen, judging whether the cursor is in an annular ith-level input module, and enabling i to be smaller than or equal to n; If yes, further analyzing a j partition of the cursor in the i -level input module, and if not, returning to the previous step; If i is smaller than n, annularly displaying an (i + 1) th-stage input module associated with the j-th partition of the i-th-stage input module outside the i-th-stage input module, enabling the i-th-stage input module and the (i + 1) th-stage input module to have the same circle center, and then returning to the first step; And if i is equal to n, skipping to the page associated with the jth partition of the nth-level input module. By implementing the method and the device, the catalog display method and the catalog display device capable of conveniently eliminating visual blind spots during fuzzy browsing and facilitating comprehensive analysis can be obtained.

The invention discloses a hemostasis system with a lamp and a smoke suction function. The system comprises a hemostasis mechanism with the lamp. The hemostasis mechanism with the lamp comprises a shell, the interior of the shell is in a hollow cavity structure, and the front portion and the rear portion of the shell are connected with a cannula and a flushing and suction tube respectively. A metaltube internally sleeves the cannula, a plastic tube is mounted between the metal tube and the cannula by sleeving, and the front end of the metal tube is provided with a scalpel. The rear end of thecannula is connected with the front portion of the shell, and a rotating mechanism is arranged between the rear end of the cannula and the front portion of the shell and comprises a universal head. The front portion of the universal head is provided with a cold light source mounted below the cannula, the shell is connected with a cable, one end of the cable is electrically connected with the coldlight source while the other end of the cable is electrically connected with the rear end of the metal tube, and the other end of the cold light source is a free end. The hemostasis system greatly improves surgical efficiency and has the smoke suction function and a lesion tissue suction function.