92results about How to "Good video effect" patented technology

The invention discloses an intelligent video stream bandwidth regulating method. The method comprises the following steps of: setting a conferee video encoding main control end during a conference, selecting a conference template for the main control end and setting overall resolution for the selected template; regulating full-automatic encoding video bandwidth of the conference template, namely when a conferee needs encoding a broadcast video, allowing the conferee to intelligently select the magnitude of an encoding broadcast video stream bandwidth according to a host conference template and a host conference terminal available network bandwidth; and regulating a full-automatic received video bandwidth of the conference template, namely allowing the conferee to intelligently select the magnitude of a received decoding video stream bandwidth according to the conference template. The balance among the conference template, the network bandwidth and the video definition can be achieved and the video image quality can be maximized, so that the overall performance of a video conference system is improved.

The invention provides a multi-focal length lens linkage imaging device based on multi-target intelligent tracking. The device monitors large-range areas by using a multi-focal length lens at the same time, the horizontal viewing angle of a collected image with an ultra high resolution is larger than 90 degrees, so that the device can achieve full coverage without dead angle in large range scene monitoring, and the pixel density of the collected image is larger than 125 pixels/m within a range of 130m away from the device, so that the pixel of the entire monitoring image is larger than a hundred million.

A video classification method is provided for a computer device. The method includes obtaining a to-be-processed video, where the to-be-processed video has a plurality of video frames, and each video frame corresponds to one time feature; and sampling the to-be-processed video according to a time-feature sampling rule, and obtaining at least one video frame feature sequence. The time-feature sampling rule is a correspondence between time features and video frame feature sequences. The method also includes processing the video frame feature sequence by using a first neural network model, to obtain a feature representation result corresponding to the video frame feature sequence, where the first neural network model is a recurrent neural network model; and processing the feature representation result by using a second neural network model, to obtain a prediction result corresponding to the video frame feature sequence.

The method includes following steps: S102, detecting video reception quality of conference TV; S104, based on video reception quality to increase or decrease video coding speed of conference TV. The invention can adapt change of network quality automatically. Under different qualities of network, the method obtains better video effect correspondingly, and raises user's experience.

The invention relates to a method of applying a light sensor on a camera module and terminal equipment, wherein the method comprises: sensing the environmental brightness through the light sensor; sending the obtained environmental brightness sensing result to an operating system of the terminal equipment; adjusting the image parameters of the camera module by the operating system of the terminal equipment according to the received sensing result; and adjusting the image effect by the camera module according to the image parameters adjusted by the operating system so as to improve the image effect of the camera.

The invention discloses a video tracking method based on face recognition. The method comprises the following steps: 1, when a teacher walks on a platform, a monitoring system detects that the teacher walks on the platform and then a tracking machine is triggered to get into a tracking mode; 2, the tracking machine performs searching through acquired points of a marginal value of the color of an image, performs connection line processing to the points and draws the outline of the head of the teacher through each connection line; 3, both the top of the head and the outline of the face of a person are found out through the connection lines and are matched with the face model preset in the tracking machine; 4, when the outline drawn by the connection lines is matched with the face model preset in the tracking machine, assisting judgment of the skin color of the face and the color of the hair is performed; if requirements are met, the judgment of a face is realized, and the teacher is tracked for shooting. The method can recognize the position of the head of the teacher according to the face recognition technology and performs shooting to the teacher through tracking, so that the close-up record of the teacher is realized, video contents are enriched, and the video effect is optimized.

The invention discloses a tower crane lifting hook video monitoring device with energy-saving and doubling functions, which comprises an image collecting and transmitting module, a solar power supply module and a display memory module, wherein the image collecting and transmitting module and the solar power supply module are arranged on an amplitude-change trolley of a tower crane, the display memory module is arranged in a cab, the image collecting and transmitting module comprises an infrared all-in-one machine, a video sever and a wireless network bridge which are sequentially connected, the infrared all-in-one machine and the video server are simultaneously connected with a dormancy energy-saving controller, the solar power supply module comprises a power supply controller which is respectively connected with a solar assembly and a storage battery, the power supply controller is respectively connected with the infrared all-in-one machine, the video server, the wireless network bridge and the dormancy energy-saving controller, the display memory module comprises a multiplying power control module, an image control display and a wireless network bridge B, and the multiplying power control module is connected with a pedal unit. The invention also discloses a lifting video monitoring method using the tower crane lifting hook video monitoring device, and the remote control on the camera lens magnification and the dormancy and energy-saving functions are realized through a pedal module.

The invention discloses a multi-video forwarding method based on port numbers and IP addresses, and belongs to the video transmission field. The multi-video forwarding method based on port numbers and internet protocol (IP) addresses comprises a video server, a forwarding server and a terminal, wherein the video server sends multi-channel videos to the forwarding server which forwards corresponding videos to the terminal needing video transmitting; when the forwarding server forwards the corresponding videos to the terminal needing video transmitting, the forwarding server updates terminal information and the start and close of sub threads through a main thread, the transmission of videos is achieved through the sub threads, and each of the multi-channel videos corresponds to an independent sub thread, and each of the sub threads corresponds to a port number. According to the multi-video forwarding method based on port numbers and IP addresses, concurrent execution and no mutual interference among sub threads are guaranteed; further, the start and close of sub threads is achieved, not only simultaneous forwarding of multi-channel videos is guaranteed, but also the occupied bandwidth of reduced threads is prevented, and video transmission cost is reduced, so that the effect of video transmission is good.

The invention provides a laser projection system, which realizes the decoherence in a laser projection device by using natural movement in an application environment thereof and saves a decohering device used in the prior laser projection system, thereby achieving compact structure and sable performance, improving the utilization rate of laser and reducing system cost. In addition, the laser projection system adopts a laser light source, so the service life of the system is improved greatly and the color range of projected image is wide and the color of the projected images is bright.

A light guiding member (40) for reflecting therein light entering through a light entering surface (40a) several times to cause light having a uniform illumination distribution to outgo from a light outgoing surface (40b) is inserted into an optical path between a lamp source (10) and a reflection type display device (80). The light outgoing surface (40b) of the light guiding member (40) is formed in a dissimilar shape with an image display region of the reflection type display device (80), and a region irradiated with light in the image display region of the reflection type display device (80) is formed smaller than the image display region. This prevents a whitening phenomenon in a projected image undisplay region and improves video effects given to viewers as well as effectively utilizing light emitted from a light source for images to be projected to display projected images brightly.

The invention relates to the technical field of law-enforcing equipment, in particular to field law-enforcing clothing. The field law-enforcing clothing comprises a law enforcing clothing body, a front camera, a rear camera, a voice acquisition and recognition device, an encryption converter and a wireless emitter, wherein the front camera, the rear camera, the voice acquisition and recognition device, the encryption converter and the wireless emitter are arranged on the law-enforcing clothing body respectively; the front camera, the rear camera and the voice acquisition and recognition deviceare connected with the encryption converter respectively; and the encryption converter is connected with the wireless emitter. According to the field law-enforcing clothing provided by the invention,the front camera, the rear camera, the voice acquisition and recognition device, the encryption converter and the wireless emitter are integrated on the law-enforcing clothing body respectively, so that the field law-enforcing clothing is convenient to carry and use, and data loss is effectively prevented. Meanwhile, acquired image data and voice data can be encrypted and transmitted to a background command in real time, so that the data transmission integrity and security are ensured.

The embodiment of the invention provides a traffic guidance method, device and equipment, and the method comprises the steps: obtaining a panoramic video, and mapping geographic position information to the panoramic video, and obtaining a video map; if the traffic event exists in the panoramic video, generating a command scheme for the traffic event according to pre-acquired traffic resources; anddisplaying the traffic resources associated with the command scheme in the video map in a label form. In the first aspect, when a traffic event exists, a command scheme for the traffic event is automatically generated according to the obtained traffic resources, and compared with a mode of conducting command through telephone communication, the command efficiency is improved; and on the other hand, the traffic resources associated with the command scheme are displayed in the video map in the form of tags, so that the video effect is better.

The invention discloses a grain amount monitoring and in-warehouse video monitoring device, which comprises: a main cylinder, an auxiliary cylinder, a horizontal motor, a fixing and leveling device, avertical motor, a power supply, a driving controller, a control device, a tilt angle sensor, a high-definition network machine core and a laser ranging sensor, wherein the horizontal motor is arranged at the top end of the inner wall of the main cylinder, and the fixing and leveling device is located above the main cylinder and is rotatably connected with the horizontal motor; the vertical motoris arranged on the side wall, adjacent to the auxiliary cylinder, of the main cylinder, and the vertical motor is connected with the auxiliary cylinder by means of a main and auxiliary cylinder connection sealing device; the power supply and the driving controller are installed inside the main cylinder; the control device, the tilt angle sensor, the high-definition network machine core and the laser ranging sensor are all installed inside the auxiliary cylinder. The grain amount monitoring and in-warehouse video monitoring device and a grain amount monitoring and in-warehouse video monitoringsystem disclosed by the invention can measure the amount of grain stock precisely in real time, can obtain full-color high-definition pictures in the dark environment of an enclosed warehouse, monitorthe real scene in the warehouse comprehensively at 360 degrees without dead angle, have the advantages of simple structure and low production cost, and can be popularized and applied.

The invention provides a video conference platform and a communication method based on the video conference platform, wherein the platform comprises a hardware video conference system, a signal distributor, a video collector, a delivery mechanism and a software video conference system, the hardware video conference system comprises a hardware conference server, and the hardware conference server can collect and process video signals and audio signals of each conference participation place in the hardware video conference system; the signal distributor is used for separating the received videosignal into a first path of signal and a second path of signal; the video collector is used for receiving the first path of signals and collecting and processing the first path of signals to obtain collected and processed video data; the throwing mechanism is used for throwing; the software video conference system comprises a software conference server, and the software conference server is used for receiving video data and audio signals and transmitting the video data and the audio signals to each conference participation place in the software video conference system. The communication methodis based on a video conference platform for communication. The platform is small in investment and good in effect.

The invention provides an image stabilization method for video images and a mobile terminal. The image stabilization method for the video image comprises the steps of in a video photographing process, obtaining first gyroscope information of a first moment corresponding to a current frame video image and second gyroscope information of a second moment corresponding to at least one frame video image before the current frame video image; carrying out image stabilization processing on the current frame video image according to the first gyroscope information and the second first gyroscope information, thereby obtaining a first image stabilized image; displaying the first image stabilized image in a viewfinder; obtaining third gyroscope information of a third moment corresponding to at least one frame video image after the current frame video image; and carrying out image stabilization processing on the first image stabilized image according to the third gyroscope information, thereby obtaining a second image stabilized image. According to the scheme provided by the invention, phased image stabilization processing is carried out on the video images, the instant output delay of the video images can be avoided, the visual experience of a user is improved, and the video effect of the finally output video image is effectively improved.

According to the mobile high-definition video intelligent bidirectional detection bandwidth control method provided by the invention, a target end frame-level time delay trend extraction method and an extended RTP/RTCP driven source end rapid adaptive method are fused, so that the accuracy of the target end frame-level time delay trend extraction method is reserved; according to the method, the coding rate can fully use the available video bandwidth of the link to achieve the best subjective effect, meanwhile, the characteristic of high speed of the RTP/RTCP is fused, the packet loss phenomenon before congestion is detected due to the fact that the link cache of mobile high-definition video communication is too small is avoided, the experience of the mobile high-definition video is improved. A video bandwidth control architecture is provided on the basis, so that the video bandwidth control architecture has a better video effect for a fluctuating mobile network, is high in feasibility in practical application, is simple, efficient and high in practicability, serves as the most important link for guaranteeing the quality of a mobile high-definition video, and plays an extremely important role in mobile high-definition video communication.

The invention relates to one transmission device with multiple base color visual signals transmission automatically calibration system, which comprises emission part and receive part circuits, wherein, in transmission, emission part directly emits signals and the receive part receives transmission signals according to stored calibration signals; when user sends order, system enters calibration mode with first signals; then receive part sends correction order and according to partly correction sequence signals, the receive part tests correction signals as each visual signal balance process and simultaneous time lag signal process then storing correction parameters.

The invention discloses a monitoring system based on a novel monitoring lens and two image sensors. The monitoring system comprises a monitoring host and a monitoring lens, wherein a microprocessor, a first image sensor (13), a second image sensor (14), a display and a storage are arranged in the monitoring host; the monitoring lens comprises an outer barrel (1), an inner barrel (10), a lens mount (2), a semi-transparent reflector (3), a reflector (4), an infrared sensing recognition device (15), a lens group (5), an infrared cut-off filter (6) and a visible light cut-off filter (9); the semi-transparent reflector and the reflector are inclined by 45 degrees relative to an axis of the outer barrel and are arranged in the outer barrel; a connecting line of geometrical centers of the semi-transparent reflector and the reflector is vertical to the axis of the outer barrel. The monitoring system based on the novel monitoring lens and the two image sensors has the advantages of a novel and skilful integrated structure, abundant functions and capabilities of executing all-weather monitoring and achieving high video quality.

The invention provides a multifunctional charging base, relates to the field of mobile phone accessories, and solves the technical problems that when a mobile phone is charged for use through the charging base, the angle of the mobile phone cannot be adjusted, and the experience feeling of an anchor or a user is relatively poor. The multifunctional charging base comprises a base body, a rotating part arranged at one end of the base body, rotationally connected with the base body through a rotating shaft and in which a charging port is arranged, and a supporting plate connected to the upper part of the rotating part and connected with the base body in a clamped mode; and when the mobile phone is placed in the rotating part to be charged, the supporting plate supports a back plate of the mobile phone, and the rotating part can enable the mobile phone and the base body to form different angles. According to the multifunctional charging base, the mobile phone can be used for broadcasting,recording or videoing while being charged; the supporting plate supports the back plate of the mobile phone, so that the connection is more stable; and the user can rotate the rotating part to adjustthe angle of the mobile phone in the process, so that a better live broadcast or video effect can be achieved through different angles, and the experience feeling is better.