Amlogic (Shanghai) Co., Ltd.

A method and module for controlling the code rate of an encoder, and a chip, an electronic device and a storage medium. The method for controlling the code rate of an encoder comprises: when it is detected that an image processor receives an image frame to be processed, acquiring the state of a buffer pool; acquiring a corresponding noise reduction intensity according to the state of the buffer pool; and outputting the acquired noise reduction intensity to the image processor, so that the image processor performs noise reduction processing on the image frame by using the acquired noise reduction intensity, and outputting an image frame, which has been subjected to noise reduction processing, to an encoder, so that the encoder performs encoding processing on the image frame, which has been subjected to noise reduction processing. By means of the solution of the present application, the balance between image quality and an output code rate can be realized while an encoder has a low output code rate.

A device and method for video decoding, wherein in the device for video decoding, an inverse transform circuit and an inverse quantization circuit cyclically share a data storage circuit, thereby eliminating the need to provide an additional storage circuit for the inverse transform circuit specifically for storing predicted residual coefficients for pixel positions in a current transform block to be processed, thereby saving the area of the device for video decoding.

A method and system for fusing a plurality of signals, a device, a storage medium, and a computer program product are provided. The method includes: obtaining a picture signal of a target frame in a video of a main path as a main picture signal; obtaining a picture signal of a secondary path as a secondary picture signal; performing display standard conversion on the secondary picture signal, and aligning a display standard of the secondary picture signal with a display standard of the main picture signal; and fusing the main picture signal and the secondary picture signal to obtain a target picture signal after performing the display standard conversion on the secondary picture signal. This helps to implement signal fusion with picture quality (PQ) assurance.

A method and module for controlling the code rate of an encoder, and a chip, an electronic device and a storage medium. The method for controlling the code rate of an encoder comprises: when it is detected that an image processor receives an image frame to be processed, acquiring the state of a buffer pool; acquiring a corresponding noise reduction intensity according to the state of the buffer pool; and outputting the acquired noise reduction intensity to the image processor, so that the image processor performs noise reduction processing on the image frame by using the acquired noise reduction intensity, and outputting an image frame, which has been subjected to noise reduction processing, to an encoder, so that the encoder performs encoding processing on the image frame, which has been subjected to noise reduction processing. By means of the solution of the present application, the balance between image quality and an output code rate can be realized while an encoder has a low output code rate.

A video image processing method includes: obtaining an area to be superimposed in a video image, wherein the area to be superimposed contains a plurality of display blocks; performing optical parameter statistical processing on each display block to obtain an optical parameter statistical value; determining whether an adjustment processing needs to be performed on the target display character based on a difference value between the optical parameter statistical value and an optical parameter value of a target display character; performing adjustment processing on the target display character to obtain a superimposed character in response to a determination that the difference value is less than or equal to a preset threshold, wherein a difference value between an optical parameter value of the superimposed character and the optical parameter statistical value of a corresponding display block is greater than the preset threshold; and superimposing the superimposed character with the corresponding display block.

Disclosed are a memory structure, a storage method, an entropy decoding method, a chip, a device, and a storage medium. The memory structure includes: a row storage circuit including a plurality of row storage components in a number identical to a number of rows of a decoding unit, where the row storage components correspond one-to-one to ordinates of the decoding unit, and each row storage component is configured to store a coding coefficient under a corresponding ordinate, and an abscissa of the coding coefficient; a column storage circuit including a plurality of column storage components in a number identical to a number of columns of the decoding unit, where the column storage components correspond one-to-one to abscissas of the decoding unit, and each column storage component is configured to store a coding coefficient under a corresponding abscissa, and an ordinate of the stored coding coefficient; and diagonal storage components in a number equaling 1 subtracted from the sum of the number of rows and the number of columns of the decoding unit, where each diagonal storage component is configured to store a coding coefficient on a corresponding diagonal position line, and an abscissa or an ordinate of the stored coding coefficient. According to the disclosure, an occupied area of the memory structure is reduced.

The present disclosure discloses an image correction method, an electronic device and a computer readable storage medium. The image correction method includes: obtaining an original image and a preset color adjustment strategy; obtaining pixel statistical information of the original image; determining a target color adjustment strategy based on the pixel statistical information and the preset color adjustment strategy; and adjusting the original image based on the target color adjustment strategy to obtain a target image with colors distinguishable by a user. The image correction method can adjust an original image through a target color adjustment strategy formed by different preset color adjustment strategies, so as to allow colors in the original image can be distinguished by a color-blind user. In addition, the color change in the original image is small, so as to improve the naturalness of the original image.

The disclosure discloses a video source transmission apparatus, a video source transmission method and a computer storage medium. The video source transmission apparatus includes: a video source acquisition module configured to capture video sources in multiple formats; a video source transmission module configured to transmit a video source; a control module connected with the video source acquisition module and the video source transmission module, the control module being configured to: obtain a video source to be transmitted from the video sources in multiple formats; buffer the video source to be transmitted in a circular queue; and control, after receiving a transmission control instruction, the video source transmission module to sequentially transmit the video source to be transmitted in the circular queue.

A method for processing an image, an apparatus for processing an image, an electronic device, and a storage medium. The method includes: obtaining a first aim-to-mask flag of a pixel to be interpolated; obtaining second aim-to-mask flags of pixels in a preset neighborhood of the pixel to be interpolated; determining flag categories and a number corresponding to each of the flag categories, in the first aim-to-mask flag and the second aim-to-mask flags; obtaining a third aim-to-mask flag of the pixel to be interpolated based on the flag categories and the number corresponding to each of the flag categories; obtaining interpolation data of the pixel to be interpolated based on the third aim-to-mask flag of the pixel to be interpolated; and performing motion compensation on the pixel to be interpolated based on the interpolation data.

The present disclosure relates to a text compression method, module, chip, electronic device and storage medium, wherein the method comprises: performing word segmentation processing on texts to be compressed, and collecting statistics about word length and word frequency of the words obtained after the word segmentation processing to construct a corresponding keyword list; compressing the texts to be compressed based on the constructed keyword list. The above scheme is beneficial to improve the compression ratio of text compression.