阅读说明：本技术 图像冻结方法、芯片、拍摄装置、存储装置 (Image freezing method, chip, shooting device and storage device ) 是由 陈星� 张青涛 庹伟 于 2020-04-27 设计创作，主要内容包括：本申请提供一种图像冻结的方法,用于设备内按照规定的时间间隔传输图像数据的处理芯片,所述处理芯片连接有片外存储装置,该方法包括接收图像冻结指令,从所述片外存储装置中读取所存储的冻结图像的图像数据到所述处理芯片的内部存储器中,接收待传输的图像数据时,从所述内部存储器中读取所述冻结图像的图像数据替换所述待传输的图像数据。本申请解决了数据传输延时的问题。本申请还提供一种芯片、拍摄装置以及存储装置。(The method comprises the steps of receiving an image freezing instruction, reading stored image data of a frozen image from the off-chip storage device into an internal memory of the processing chip, and when receiving image data to be transmitted, reading the image data of the frozen image from the internal memory to replace the image data to be transmitted. The application solves the problem of data transmission delay. The application also provides a chip, a shooting device and a storage device.)

A method for image freezing in a processing chip for transferring image data at predetermined time intervals within a device, said processing chip being connected to an off-chip storage device, comprising the steps of:

receiving an image freezing instruction;

reading the stored image data of the frozen image from the off-chip storage device into an internal memory of the processing chip;

and when receiving the image data to be transmitted, reading the image data of the frozen image from the internal memory to replace the image data to be transmitted.

The method of claim 1, wherein the frozen image is a pre-stored image or a real-time stored image.

The method of claim 1, wherein the device is a thermal infrared imager.

The method of claim 3, wherein the image freeze command is a command triggered during thermal infrared imager calibration.

The method of claim 4, wherein the thermal infrared imager comprises a shutter for calibrating the thermal infrared imager.

The method of claim 4, wherein the calibration comprises a flat field calibration.

The method of claim 1, wherein the image freeze instruction is an instruction triggered when the device is powered on.

The method of claim 7, wherein the frozen image is a power-on picture that is preloaded when the device is powered on.

The method of claim 1, wherein the image freeze instruction is used to indicate a time at which image freeze begins to be performed; and/or the duration of the execution of the image freeze.

The method of claim 1, wherein the image data read into the internal memory is a subset of all pixel data of the frozen image.

The method of claim 10, wherein the subset includes at least any row of pixel data that makes up the frozen image.

The method of claim 1,

the method further comprises the following steps:

transmitting the image data of the frozen image to another processing chip; the prescribed time interval is a blanking region determined based on a specified inter-slice protocol.

The method of claim 1, wherein the processing chip is an application specific integrated chip and the off-chip memory device is a double data rate synchronous dynamic random access DDR memory.

A processing chip for transmitting image data at prescribed time intervals in a device in which the processing chip is installed, the processing chip being connected with an off-chip storage device, the processing chip including an internal memory, characterized in that the processing chip is configured to:

receiving an image freezing instruction;

reading the stored image data of the frozen image from the off-chip storage device into an internal memory of the processing chip;

and when receiving the image data to be transmitted, reading the image data of the frozen image from the internal memory to replace the image data to be transmitted.

The processing chip of claim 14, wherein the frozen image is a pre-stored image or a real-time stored image.

The processing chip of claim 14, wherein the device is a thermal infrared imager.

The processing chip of claim 16, wherein the image freeze command is a command triggered during thermal infrared imager calibration.

The processing chip of claim 17, wherein the thermal infrared imager comprises a shutter for calibrating the thermal infrared imager.

The processing chip of claim 18, wherein the calibration comprises a flat field calibration.

The processing chip of claim 14, wherein the image freeze instruction is an instruction triggered when the device is powered on.

The processing chip of claim 20, wherein the frozen image is a power-on picture preloaded when the device is powered on.

The processing chip of claim 14, wherein the image freeze instruction is configured to instruct a time to start performing image freeze; and/or the duration of the execution of the image freeze.

The processing chip of claim 14, wherein the image data read into the internal memory is a subset of all pixel data of the frozen image.

The processing chip of claim 23, wherein the subset comprises at least any row of pixel data that makes up the frozen image.

The processing chip of claim 14,

the processing chip is further configured to:

transmitting the image data of the frozen image to another processing chip; the prescribed time interval is a blanking region determined based on a specified inter-slice protocol.

The processing chip of claim 14, wherein the processing chip is an application specific integrated chip and the off-chip memory device is a double data rate synchronous dynamic random access DDR memory.

A photographing apparatus having mounted thereon a processing chip for transmitting image data at prescribed time intervals, the processing chip being connected with an off-chip storage device, characterized in that the processing chip is configured to:

receiving an image freezing instruction;

reading the stored image data of the frozen image from the off-chip storage device into an internal memory of the processing chip;

and when receiving the image data to be transmitted, reading the image data of the frozen image from the internal memory to replace the image data to be transmitted.

The camera of claim 27, wherein the frozen image is a pre-stored image or a real-time stored image.

The camera of claim 27, wherein the camera is a thermal infrared imager.

The camera of claim 29, wherein the image freeze command is a command triggered during thermal infrared imager calibration.

The camera of claim 30, wherein the thermal infrared imager comprises a shutter for calibrating the thermal infrared imager.

The camera of claim 31, wherein said calibration comprises a flat field calibration.

The camera of claim 27, wherein the image freeze command is a command triggered when the device is powered on.

The camera of claim 33, wherein the frozen image is a pre-loaded power-on logo picture when the device is powered on.

The photographing apparatus according to claim 27, wherein the image freeze instruction is for instructing a timing to start performing image freeze; and/or the duration of the execution of the image freeze.

The image capturing apparatus according to claim 27, wherein the image data read into the internal memory is a subset of all pixel data of the frozen image.

The camera of claim 36, wherein the subset comprises at least any one row of pixel data that makes up the frozen image.

The camera of claim 27,

the shooting device further comprises a post-processing chip, and the post-processing chip is used for receiving the image data of the frozen image transmitted by the processing chip;

the prescribed time interval is a blanking region determined based on a specified inter-slice protocol.

The camera of claim 38, wherein the post-processing chip is further configured to:

and fusing the image data of the frozen image transmitted by the processing chip and the exchangeable image file EXIF information of the frozen image.

The camera of claim 38, wherein the processing chip is configured to transmit an infrared thermal image to the post-processing chip, the post-processing chip further configured to:

and when receiving the infrared thermal image transmitted by the processing chip, carrying out fusion processing on the infrared thermal image and the visible light image synchronized with the infrared thermal image.

The camera of claim 27, wherein the processing chip is an application specific integrated chip and the off-chip memory device is a double data rate synchronous dynamic random access DDR memory.

A storage means connected to a processing chip for transferring image data at regular time intervals within a device in which the chip is installed, the processing chip comprising an internal memory, characterized in that the storage means is configured to store image data of a frozen image to cause the processing chip to implement the method of any one of claims 1-13.