Provided is a method for transmitting video signals, including: receiving an input video signal provided by a source, wherein the input video signal includes an image signal and a source timing signal; generating a pulse synchronization signal based on the source timing signal and an output frame rate, wherein the output frame rate is a frame rate of outputting the image signal to a display module, and a cycle of the pulse synchronization signal is an integer multiple of a cycle of the source timing signal, and is an integer multiple of a cycle corresponding to the output frame rate; generating an output timing signal based on the pulse synchronization signal; and transmitting an output video signal to the display module, wherein the output video signal includes the image signal and the output timing signal.

Described are methods, systems, and computer-readable media to automatically crop videos using personalized parameters. Some implementations include a computer-implemented method that comprises obtaining an input video, determining a per-frame crop score for one or more candidate crop regions in each frame of the input video, generating a face signal for the one or more candidate crop regions, adjusting each per-frame crop score based on the face signal, determining a minimal cost path that represents crop region locations based on motion cost and the adjusted per-frame crop score, generating crop keyframing corresponding to the crop region locations along the minimal cost path, wherein the crop keyframing includes a start frame, an end frame, and crop region location, and outputting a modified video that has one or more of an output aspect ratio or an output orientation that is different than a corresponding aspect ratio or an orientation of the input video.

The present invention provides a control method of a processor, wherein the control method comprises the steps of: transmitting image data of a first frame to an integrated circuit, wherein the first frame corresponds to a first frame rate; determining a second frame rate of a second frame next to the first frame; determining if a difference between the second frame rate and the first frame rate belongs to a large scale frame rate adjustment or a small scale frame rate adjustment; if the difference between the second frame rate and the first frame rate belongs to the large scale frame rate adjustment, using a first mode to transmit image data of the second frame; and if the difference between the second frame rate and the first frame rate belongs to the small scale frame rate adjustment, using a second mode to transmit image data of the second frame.

Provided is a method for transmitting video signals, including: receiving an input video signal provided by a source, wherein the input video signal includes an image signal and a source timing signal; generating a pulse synchronization signal based on the source timing signal and an output frame rate, wherein the output frame rate is a frame rate of outputting the image signal to a display module, and a cycle of the pulse synchronization signal is an integer multiple of a cycle of the source timing signal, and is an integer multiple of a cycle corresponding to the output frame rate; generating an output timing signal based on the pulse synchronization signal; and transmitting an output video signal to the display module, wherein the output video signal includes the image signal and the output timing signal.

A method for performing media playback on a media playback device, including: receiving a data stream to buffer the data stream in a buffer unit or to record the data stream in a storage unit; performing a parsing operation on the buffered data stream or the recorded data stream to obtain frame time and data offset corresponding to one or more intra-coded pictures of at least one audiovisual (AV) content included in the data stream, thereby to create a frame index table; in response to a playback operation, referring to the frame index table to determine a data offset associated with the playback operation; retrieving one or more data units from the buffer unit or the storage unit according to the data offset; and decoding the one or more data units for media playback.

A method for processing a video data stream, a video decoding apparatus, and a method for encoding data stream are provided. The method includes: receiving a video data stream; generating a layer list using at least the patch-layer association information, the layer list including a first layer associated with the first view, the first layer being based on a first depth of the first view; assigning a first layer identification to the first layer; updating the view list section by adding the first layer as a second view; selecting a first target view for rendering on an output device; selecting one or more patches using at least the layer list and the patch list section; combining the selected one or more patches to form a first intermediate output frame; and performing post processing using at least the view list section.

Systems and methods are configured to adjust the timing of rendered frame scanout in response to fluctuations in a variable frame rate at which source frames are rendered.

An image processing device and an image processing method are provided. The image processing device includes multiple image input units, an expansion module, a controller, and an image processing module. The multiple image input units are configured to receive multiple image signals and convert the multiple image signals into multiple converted image signals. The multiple converted image signals have a first image format. The expansion module is detachably coupled to the multiple image input units and is configured to output selected image signals according to a first selection signal. The controller is configured to provide the first selection signal. The image processing module is configured to receive the selected image signals to integrate into a picture by picture or a picture on picture.

The present application provides a video frame transmission method, apparatus, electronic device, and readable storage medium, and relates to the field of Internet of Vehicles, comprising: transmitting a first video frame of a target video to a target device at a reference frame rate; acquiring time delay of the first video frame; determining, according to the time delay, target frame rate of a second video frame to be transmitted in the target video; transmitting the second video frame to the target device at the target frame rate. By dynamically adjusting the transmission frame rate of the video frame in the method, the time delay of the video frame from creation to display on the target device is reduced, thereby ensuring the presentation effect of the video on the target device.

This invention provides an image capturing apparatus which comprises an image sensor configured to obtain a video signal, and at least one processor which function as a first converting unit configured to convert the video signal obtained from the image sensor into an HDR video signal; a second converting unit configured to convert the HDR video signal obtained by the first converting unit into an SDR video signal; and a controller configured to associate at least one of the HDR video signal obtained by the first converting unit and the SDR video signal obtained by second conversion means with conversion characteristic information, the conversion characteristic information representing conversion characteristics for converting the HDR video signal and the SDR video signal to one another, the controller being configured to store the associated HDR video signal or SDR video signal in a recording medium.