Abstract: The disclosure discloses a video enhancement method and device, and belongs to the field of image processing. The method includes that: each frame in a video is sequentially acquired; and for each current frame, attribute information reflecting a moving state or luminance is determined, a preset mapping relationship is searched to obtain a control parameter corresponding to the attribute information, and video enhancement operation is executed on the current frame by using the control parameter. The device includes: an acquisition module and an enhancement module. By the disclosure, the problem of processing inflexibility caused by execution of the same enhancement over each frame in the video is solved, each frame in the video may be differentially enhanced, frame-based video enhancement is implemented, a video enhancement effect is effectively improved, and quality of the video is improved.

Abstract: The disclosure discloses a video enhancement method and device, and belongs to the field of image processing. The method includes that: each frame in a video is sequentially acquired; and for each current frame, attribute information reflecting a moving state or luminance is determined, a preset mapping relationship is searched to obtain a control parameter corresponding to the attribute information, and video enhancement operation is executed on the current frame by using the control parameter. The device includes: an acquisition module and an enhancement module. By the disclosure, the problem of processing inflexibility caused by execution of the same enhancement over each frame in the video is solved, each frame in the video may be differentially enhanced, frame-based video enhancement is implemented, a video enhancement effect is effectively improved, and quality of the video is improved.

Abstract: Provided are certain derivatives of amphotericin B (AmB) characterized by reduced toxicity and retained anti-fungal activity. Certain of the derivatives are C16 urea derivatives of AmB. Certain of the derivatives are C3, C5, C8, C9, C11, C13, or C15 deoxy derivatives of AmB. Certain of the derivatives include C3? or C4? modifications of the mycosamine appendage of AmB. Also provided are methods of making AmB derivatives of the invention, pharmaceutical compositions comprising AmB derivatives of the invention, and methods of use of AmB derivatives of the invention.

Abstract: Provided are methods for site- and stereo-retentive cross-couplings with unactivated secondary boronic acids, which methods are particularly useful in building block-based approach for small molecule synthesis. Also provided is a method of forming an air-stable chiral secondary boronic acid.

Abstract: Epidermal electronics are sensors with mechanical properties matching human epidermis. Their manufacturing process includes photolithography and dry and wet etching within cleanroom facilities. The high cost of manpower, materials, photo masks, and facilities greatly hinders the commercialization potential of disposable epidermal electronics. In contrast, an embodiment of the invention includes a low cost, high throughput, bench top “cut-and-paste” method to complete the freeform manufacture of epidermal sensor system (ESS) in minutes. This versatile method works for many types of thin metal and polymeric sheets and is compatible with many tattoo adhesives or medical tapes. The resultant ESS is highly multimaterial and multifunctional and may measure ECG, EMG, skin temperature, skin hydration, as well as respiratory rate. Also, a stretchable planar coil made of serpentine ribbons can be used as a wireless strain gauge and/or a near field communication (NFC) antenna. Other embodiments are described herein.

Abstract: The disclosure discloses a video enhancement method and device, and belongs to the field of image processing. The method includes that: each frame in a video is sequentially acquired; and for each current frame, attribute information reflecting a moving state or luminance is determined, a preset mapping relationship is searched to obtain a control parameter corresponding to the attribute information, and video enhancement operation is executed on the current frame by using the control parameter. The device includes: an acquisition module and an enhancement module. By the disclosure, the problem of processing inflexibility caused by execution of the same enhancement over each frame in the video is solved, each frame in the video may be differentially enhanced, frame-based video enhancement is implemented, a video enhancement effect is effectively improved, and quality of the video is improved.

Abstract: Provided are methods for site- and stereo-retentive cross-couplings with unactivated secondary boronic acids, which methods are particularly useful in building block-based approach for small molecule synthesis. Also provided is a method of forming an air-stable chiral secondary boronic acid.

Abstract: Epidermal electronics are sensors with mechanical properties matching human epidermis. Their manufacturing process includes photolithography and dry and wet etching within cleanroom facilities. The high cost of manpower, materials, photo masks, and facilities greatly hinders the commercialization potential of disposable epidermal electronics. In contrast, an embodiment of the invention includes a low cost, high throughput, bench top “cut-and-paste” method to complete the freeform manufacture of epidermal sensor system (ESS) in minutes. This versatile method works for many types of thin metal and polymeric sheets and is compatible with many tattoo adhesives or medical tapes. The resultant ESS is highly multimaterial and multifunctional and may measure ECG, EMG, skin temperature, skin hydration, as well as respiratory rate. Also, a stretchable planar coil made of serpentine ribbons can be used as a wireless strain gauge and/or a near field communication (NFC) antenna. Other embodiments are described herein.

Abstract: Provided are certain derivatives of amphotericin B (AmB) characterized by reduced toxicity and retained anti-fungal activity. Certain of the derivatives are C16 urea derivatives of AmB. Certain of the derivatives are C3, C5, C8, C9, C11, C13, or C15 deoxy derivatives of AmB. Certain of the derivatives include C3? or C4? modifications of the mycosamine appendage of AmB. Also provided are methods of making AmB derivatives of the invention, pharmaceutical compositions comprising AmB derivatives of the invention, and methods of use of AmB derivatives of the invention.

Abstract: An image predictive coding method and an encoder. During a process of encoding a largest coding unit (LCU) in a tile of a current frame, a tile of the current frame is determined first, in which the to-be-predictive-coded LCU or a predicting unit (PU) is located, then, a tile of a reference frame is determined, where a position of the tile of the reference frame is the same as a position of the tile of the current frame, when a PU of the LCU is predicted, a reference pixel is selected from the determined tile of the reference frame, and when a predicted moving vector (PMV) of the PU included in the LCU is determined, the PMV of the PU is selected from the determined tile of the reference frame, which can prevent an error occurring in a tile from spreading to an entire frame of image.

Abstract: A meeting scheduling method, device, and system, which are related to the field of communications and are used to save waiting time of a participant of a next meeting and increase working efficiency. The method according to an embodiment of the present invention includes: acquiring phase information of a current meeting according to a preset database; performing data mining on the phase information of the current meeting according to a preset policy to acquire a phase conclusion of the current meeting; and sending a meeting notification to a meeting participant of a next meeting according to the phase conclusion of the current meeting.

Abstract: A video processing method and system and a related device are disclosed, an encoder sends a method for compressing a pixel value of a video image to a decoder, the method includes a mapping between a pixel value of the video image before compression and a pixel value of the video image after the compression; compressing, by the encoder according to the method for compressing a pixel value, the pixel value of the video image to obtain a video image to be encoded; encoding, by the encoder, the video image to be encoded to obtain a video image encoded stream; and sending, by the encoder, the video image encoded stream to the decoder, the decoder receives and decodes the video image encoded stream to obtain a decoded video image, and decompresses a pixel value of the decoded video image to restore the pixel value of the video image before compression.

Abstract: A method and an apparatus for adjusting site bandwidth, a conferencing terminal, and a media control server are disclosed. The method includes: obtaining the number of streams at a multi-screen site, and assigning bandwidth to each stream according to preset total bandwidth of multiple streams, maximum bandwidth of a single stream, and a preset bandwidth assignment method; and obtaining a conference joining state of each stream, and adjusting bandwidth of each stream according to the conference joining state of each stream. The apparatus includes an assigning module, an obtaining module, and a first adjusting module. Embodiments of the present invention implement dynamic adjustment of bandwidth resources of each stream according to the actual condition of a conference, so that bandwidth resources of each site are fully utilized.

Abstract: The embodiments of the present invention provide a method and device relating to multi-picture video image processing, which solve the problem in related art of the deterioration of the vision experience of the conventioneer as the characteristics of each sub-picture can not be satisfied simultaneously. Said method includes: receiving the data code stream of the sub-picture video images from several channels; equalizing the effect of said sub-picture video images with control parameters respectively according to the image characteristics of the sub-picture video images; synthesizing said equalized sub-picture video images to a multi-picture video image. This invention can uniformly adjust each sub-picture video image to the effect with the same image characteristics, which enables the sub-picture video images exhibit the same picture characteristic when be displayed.

Abstract: A video encoding method and device, so as to solve a problem that a long-term reference frame as a background frame is unavailable when an irrecoverable error occurs at an encoding end or a decoding end. The method includes: inputting a to-be-encoded video picture; encoding a current frame and specifying the current frame as a long-term reference frame; encoding each frame of the video picture with reference to the long-term reference frame and sending a data packet obtained after the encoding to a decoding end; and after a refreshing frame request sent by the decoding end is received, if it is determined that the long-term reference frame still serves as a reference frame for encoding, sending a non-IDR frame picture to the decoding end. The embodiments of the present invention are used for video encoding.

Abstract: A conference terminal, a conference server, a conference system, and a data processing method are provided. The conference terminal includes: a mark obtaining module, configured to obtain a mark data signal; an image obtaining module, configured to obtain an image data signal; a superimposing module, configured to superimpose the mark data signal onto the image data signal to generate a hybrid image data signal; and an outputting module, configured to output the hybrid image data signal. The present invention improves the interactivity between videoconference users and the discussion efficiency.

Abstract: Embodiments of the present invention provide a conference recording method and a conference system. The conference recording method includes: extracting, based on a configuration file, key information of each site at each time point of multiple time points in a conference timeline, where the conference timeline is associated with a conference time, and the configuration file is used to define the key information of the conference and a format of a conference abstract; combining the key information of each site into a key index point, where the key index point is used as an index point for interacting with or editing a conference abstract; and integrating multiple key index points corresponding to multiple time points to form the conference abstract.

Abstract: Embodiments of the present invention provide a conference recording method and a conference system. The conference recording method includes: extracting, based on a configuration file, key information of each site at each time point of multiple time points in a conference timeline, where the conference timeline is associated with a conference time, and the configuration file is used to define the key information of the conference and a format of a conference abstract; combining the key information of each site into a key index point, where the key index point is used as an index point for interacting with or editing a conference abstract; and integrating multiple key index points corresponding to multiple time points to form the conference abstract.

Abstract: A video processing method and system and a related device are disclosed, an encoder sends a method for compressing a pixel value of a video image to a decoder, the method includes a mapping between a pixel value of the video image before compression and a pixel value of the video image after the compression; compressing, by the encoder according to the method for compressing a pixel value, the pixel value of the video image to obtain a video image to be encoded; encoding, by the encoder, the video image to be encoded to obtain a video image encoded stream; and sending, by the encoder, the video image encoded stream to the decoder, the decoder receives and decodes the video image encoded stream to obtain a decoded video image, and decompresses a pixel value of the decoded video image to restore the pixel value of the video image before compression.

Abstract: A method and an apparatus for adjusting site bandwidth, a conferencing terminal, and a media control server are disclosed. The method includes: obtaining the number of streams at a multi-screen site, and assigning bandwidth to each stream according to preset total bandwidth of multiple streams, maximum bandwidth of a single stream, and a preset bandwidth assignment method; and obtaining a conference joining state of each stream, and adjusting bandwidth of each stream according to the conference joining state of each stream. The apparatus includes an assigning module, an obtaining module, and a first adjusting module. Embodiments of the present invention implement dynamic adjustment of bandwidth resources of each stream according to the actual condition of a conference, so that bandwidth resources of each site are fully utilized.