CN112468743A - Method, device, medium and electronic equipment for displaying hotspot change process - Google Patents
Method, device, medium and electronic equipment for displaying hotspot change process Download PDFInfo
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- CN112468743A CN112468743A CN202011239190.4A CN202011239190A CN112468743A CN 112468743 A CN112468743 A CN 112468743A CN 202011239190 A CN202011239190 A CN 202011239190A CN 112468743 A CN112468743 A CN 112468743A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/30—Transforming light or analogous information into electric information
- H04N5/33—Transforming infrared radiation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/18—Investigating or analyzing materials by the use of thermal means by investigating thermal conductivity
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
- H04N7/0135—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving interpolation processes
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Abstract
The embodiment of the application discloses a method, a device, a medium and electronic equipment for displaying a hotspot change process. The method comprises the following steps: electrifying a sample to obtain an infrared image of the sample; if the infrared image has the hot spot, adjusting the power-on parameter according to a preset rule; and acquiring a video of the hot spot in the change process, and processing frame data of the video in a frame interpolation processing mode to obtain the change process video of the hot spot. By implementing the scheme, the hot spot can be formed in a power-on mode under the condition of no damage, and the conduction process of the hot spot can be displayed by controlling the power-on frequency.
Description
Technical Field
The embodiment of the application relates to the technical field of electronic technology, in particular to a method, a device, a medium and electronic equipment for displaying a hotspot change process.
Background
Due to the current world trend of science and technology and intellectualization, various electronic devices are more and more widely used in the field of electronic technology. Devices such as chips, disks, and caches, tend to be floating due to the dramatic increase in demand. After the electronic device is manufactured, the detection of the internal circuit thereof is a relatively wide technical problem at present.
In some existing detection methods, the most accurate detection result belongs to an open type, but an electronic device needs to be disassembled, and the detection method is destructive and cannot be popularized greatly. In other detection methods, manual detection by top-level personnel of professionals is mainly used, and specifically, for example, each pin of a chip is tested. This approach is not only complex, but also limited by the skill requirements of the inspector and cannot be used widely. Therefore, a simple, accurate and clear way to reflect the problems of electronic devices is needed.
Disclosure of Invention
The embodiment of the application provides a display method, a display device, a display medium and electronic equipment for a hotspot change process, which can form hotspots in a power-up mode under the condition of no damage and can achieve the purpose of showing the conduction process of hotspots by controlling power-up frequency.
In a first aspect, an embodiment of the present application provides a method for displaying a hotspot change process, where the method includes:
electrifying a sample to obtain an infrared image of the sample;
if the infrared image has the hot spot, adjusting the power-on parameter according to a preset rule;
and acquiring a video of the hot spot in the change process, and processing frame data of the video in a frame interpolation processing mode to obtain the change process video of the hot spot.
Further, acquiring a video of the hotspot in the change process, including:
acquiring a video of the hot spot in the moving process by adopting a high-frame-frequency thermal imager with preset frequency; and the preset frequency of the high frame frequency thermal imager is greater than or equal to 100 Hz.
Further, the adjusting of the power-on parameter according to the preset rule includes:
the frequency of controlling the energization according to the preset speed is switched between at least two preset frequencies.
Further, the processing the frame data of the video in a frame interpolation processing manner to obtain the change process video of the hot spot includes:
and obtaining the change process video of the hot spot by adopting a processing mode of inserting at least one blank frame into the frame data of the video in the appointed frame interval.
Further, the processing the frame data of the video in a frame interpolation processing manner to obtain the change process video of the hot spot includes:
a processing mode of inserting at least one copied frame into the frame data of the video in a specified frame interval is adopted to obtain the change process video of the hot spot; the copying frame is a copying result of a previous frame image or a next frame image of an insertion position.
Further, the starting point of the specified frame interval is the position of the frame image where the hot spot appears, and the end point of the interval is the position of the frame image where the shape of the hot spot meets the preset requirement or the hot spot disappears.
Further, after obtaining the video of the variation process of the hot spot, the method further includes:
and if the change process of the hot spot has position movement, recording the movement path of the hot spot.
In a second aspect, an embodiment of the present application provides a device for displaying a hotspot change process, where the device includes:
the infrared image acquisition module is used for electrifying a sample and acquiring an infrared image of the sample;
the parameter adjusting module is used for adjusting the power-on parameters according to a preset rule if the infrared image has a hot spot;
and the video processing module is used for acquiring the video of the hot spot in the change process, and processing the frame data of the video in a frame interpolation processing mode to obtain the change process video of the hot spot.
In a third aspect, an embodiment of the present application provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements a method for displaying a hotspot change process according to an embodiment of the present application.
In a fourth aspect, an embodiment of the present application provides an electronic device, which includes a memory, a processor, and a computer program stored on the memory and executable on the processor, where the processor executes the computer program to implement the method for displaying the hotspot change process according to the embodiment of the present application.
The technical scheme provided by the embodiment of the application comprises the following steps: electrifying a sample to obtain an infrared image of the sample; if the infrared image has the hot spot, adjusting the power-on parameter according to a preset rule; and acquiring a video of the hot spot in the change process, and processing frame data of the video in a frame interpolation processing mode to obtain the change process video of the hot spot. According to the technical scheme, the hot spot can be formed in a power-up mode under the condition of no damage, and the conduction process of the hot spot can be displayed by controlling the power-up frequency.
Drawings
Fig. 1 is a flowchart of a method for displaying a hotspot change process according to an embodiment of the present disclosure;
fig. 2 is a display device of a hotspot change process according to a second embodiment of the present application;
fig. 3 is a schematic structural diagram of an electronic device according to a fourth embodiment of the present application.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting of the application. It should be further noted that, for the convenience of description, only some of the structures related to the present application are shown in the drawings, not all of the structures.
Before discussing exemplary embodiments in more detail, it should be noted that some exemplary embodiments are described as processes or methods depicted as flowcharts. Although a flowchart may describe the steps as a sequential process, many of the steps can be performed in parallel, concurrently or simultaneously. In addition, the order of the steps may be rearranged. The process may be terminated when its operations are completed, but may have additional steps not included in the figure. The processes may correspond to methods, functions, procedures, subroutines, and the like.
Example one
Fig. 1 is a flowchart of a method for displaying a hotspot change process according to an embodiment of the present disclosure, where the method is applicable to a situation of nondestructive testing of an electronic device such as a chip, and the method can be executed by a display apparatus for a hotspot change process according to an embodiment of the present disclosure, and the apparatus can be implemented by software and/or hardware, and can be integrated in an electronic device.
As shown in fig. 1, the method for displaying the hotspot change process includes:
and S110, electrifying the sample to obtain the infrared image of the sample.
The executing body of the scheme can be an electronic device with an infrared image shooting function or an electronic device connected with the infrared image shooting device.
In the technical scheme, the method provided by the scheme is preferably integrated in the infrared image acquisition equipment, so that the equipment arrangement can be simplified, and the detection process of the detection hot spot of the sample is simpler and more convenient to operate.
The sample may be powered up and an infrared image of the sample. It will be appreciated that the sample may be powered up at a frequency, for example at 1Hz, 25Hz, or 100Hz, etc. When the sample is electrified, heat can be generated at the fault position to form a hot spot under the condition that a line inside the sample has a fault.
The scheme can be suitable for the abnormity caused by short circuit and the abnormity caused by the breakdown of the diode and the triode, and in addition, the image of the hot spot can be obtained through the technical scheme as long as the sample is internally heated after power is applied due to the fault.
And S120, if the hot spot exists in the infrared image, adjusting the power-on parameter according to a preset rule.
The infrared image can highlight an object with high heat degree, so that in the infrared image, if an internal circuit of the sample is normal, a hot spot cannot appear or the position of the hot spot is different from that of a failed product. If there is an abnormality in the internal circuit of the sample, such as a short circuit, heat increases in a short time due to the flow of current in the short-circuited portion, and a hot spot is formed in another position of the sample in the same case of heat dissipation.
Therefore, if there is a hot spot, it is determined that there is an abnormality in the internal line, and the hot spot may be presented.
As can be understood herein, since the sample does not suddenly generate heat during the power-on process, or the amount of heat generated is not enough to form a hot spot in a short time, the images may be collected at a preset frequency within 20s, 30s or even 1min after the power-on process, and a certain number of images are superimposed to determine the infrared image of the sample, for example, the images are collected at a frequency of 100 times per second after the power-on process, and 10 adjacent images are superimposed to obtain the infrared image of the sample. Thus, the hot spot intensity also accumulates over time. Besides, the image of the sample can be acquired in real time, the video before the hot spot is found is intercepted and deleted after the hot spot is found, or the video can be selected and reserved according to the requirements of users.
In the scheme, the power-on parameter can be the frequency of the rectangular wave or the level. The power-on parameters are adjusted according to a preset rule, wherein the power-on parameters can be in the sequence of the level from low to high, and can also be in the sequence of the frequency from low to high.
In this scheme, optionally, adjust the parameter of power-on according to presetting the rule, include:
the frequency of controlling the energization according to the preset speed is switched between at least two preset frequencies.
The frequency of the power-on can be switched from 1Hz to 25Hz, or from 1Hz to 25Hz, and then from 25Hz to 50Hz, etc. Specifically, the condition for the switching trigger may be related to the movement speed and the size change of the hot spot. In the scheme, the change process of the hot spot can be more considerable through the switching of the frequency, and the finally obtained hot spot size meets the requirement of analyzing the sample.
S130, acquiring a video of the hot spot in the change process, and processing frame data of the video in a frame interpolation processing mode to obtain the change process video of the hot spot.
It is understood that the hot spot may change in size, shape and position. In the process of hotspot change, videos of the change process can be obtained through recording. However, the video is synchronized with the hotspot change, so that the whole change process is difficult to be noticed by workers. For the analysis of the sample, such as for the chip analysis, since the internal circuit is complex, it is very important to check the hot spot variation process. Therefore, in this case, the frame data of the video is processed by frame interpolation to obtain the video of the change process of the hot spot, and the obtained video can be used as a slow-shot video.
In this scheme, optionally, the frame data of the video is processed in a frame interpolation processing manner to obtain the change process video of the hot spot, including:
and obtaining the change process video of the hot spot by adopting a processing mode of inserting at least one blank frame into the frame data of the video in the appointed frame interval.
The blank frame can be a frame image without any content, and the time interval between the two original frame images can be lengthened by inserting the blank frame, so that the aim of reducing the change speed in the change process in the video viewing process can be fulfilled. It will be appreciated that if a blank frame is inserted every two frame images, the change rate becomes half of the original rate, and if a blank frame is inserted every two frame images, it becomes 1/3 of the original rate.
In this scheme, optionally, the frame data of the video is processed in a frame interpolation processing manner to obtain the change process video of the hot spot, including:
a processing mode of inserting at least one copied frame into the frame data of the video in a specified frame interval is adopted to obtain the change process video of the hot spot; the copying frame is a copying result of a previous frame image or a next frame image of an insertion position.
In the scheme, besides inserting the blank frame, a frame of copied frame can be inserted, and the copied content can be the content of the previous frame of image or the content of the next frame of image after the insertion position, so that the speed of the hotspot change is half of the original speed from the view point. Therefore, the mode adopted by the scheme can provide better observation experience of the change process for the working personnel.
On the basis of the above technical solutions, optionally, the start point of the specified frame interval is the position where the frame image with the hot spot appears, and the end point of the specified frame interval is the position where the frame image with the hot spot shape meets the preset requirement, or the frame image with the hot spot disappeared.
It can be appreciated that, in order to facilitate the observation of the change process of the hot spot by the staff, the framing process may not be performed before the hot spot appears, and the framing process may not be performed after the hot spot reaches the final desired state, so as to reduce the unnecessary computation amount of the device and reduce the computation load of the device. In the scheme, the condition that the hot spot reaches the ideal size can be used as a termination condition, in addition, the condition that the hot spot disappears can also be used as a termination condition, or the position, the shape and the size of the hot spot are not changed within the duration of time, and also can be used as a termination condition.
In addition to the above manner, the frame insertion processing may be performed according to the requirement of the worker, and if the worker starts to see a video in a more detailed change process after a certain time of hot spot occurrence, the start point of the specified frame interval may be determined according to a button clicked by the worker, and the position where the video is played when the user clicks again is determined as the end point of the specified frame interval. By means of the scheme, the video can be processed more flexibly, and the situation that the view requirement of a user cannot be met by a default processing mode is avoided.
The technical scheme provided by the embodiment of the application comprises the following steps: electrifying a sample to obtain an infrared image of the sample; if the infrared image has the hot spot, adjusting the power-on parameter according to a preset rule; and acquiring a video of the hot spot in the change process, and processing frame data of the video in a frame interpolation processing mode to obtain the change process video of the hot spot. According to the technical scheme, the hot spot can be formed in a power-up mode under the condition of no damage, and the conduction process of the hot spot can be displayed by controlling the power-up frequency.
On the basis of the above technical solutions, optionally, after obtaining the change process video of the hotspot, the method further includes:
and if the change process of the hot spot has position movement, recording the movement path of the hot spot.
The recording mode can be that the shape of the hot spot, the coordinate of the center position and the direction of the instantaneous speed are recorded in a log file, so that a worker can analyze the movement process of the hot spot according to the log file.
According to the scheme, the function is directly integrated in the software of the thermal positioning equipment, two vertexes are selected to be rectangles after the wiring diagram or the X-ray photo is imported, the sizes of the vertexes are adjusted to be consistent, the superposition function can be achieved on the software, and then the failure mode can be preliminarily judged according to the position of the hot point.
In the scheme, a high-frame-frequency (over 100Hz in some cases) shooting mode of the thermal imager is utilized, and a heat conduction process seems to be slowed down through frame insertion or other image processing methods, so that observation and recording of a heat conduction path are realized. The thermal conduction path can be easily observed, providing more useful information for chip and PCB design companies to improve the thermal design.
Other equipment is static observation, and the equipment of the scheme can realize dynamic observation, so that the change process of the heat affected zone can be observed conveniently.
Example two
Fig. 2 is a display device for a hotspot change process according to a second embodiment of the present disclosure, where the device may be implemented by software and/or hardware, and may be integrated in an electronic device such as an intelligent terminal.
As shown in fig. 2, the apparatus may include:
the infrared image acquisition module 210 is configured to power up a sample to acquire an infrared image of the sample;
the parameter adjusting module 220 is configured to adjust a power-on parameter according to a preset rule if a hot spot exists in the infrared image;
the video processing module 230 is configured to acquire a video of a hotspot in a change process, and process frame data of the video in a frame interpolation processing manner to obtain a change process video of the hotspot.
The display device for the hotspot change process, provided by the embodiment of the invention, can execute the display method for the hotspot change process provided by any embodiment of the invention, and has the corresponding functional modules and beneficial effects of the display method for the hotspot change process.
EXAMPLE III
A third embodiment of the present application further provides a storage medium containing computer-executable instructions, which when executed by a computer processor, are configured to perform a method for displaying a hotspot change process, where the method includes:
electrifying a sample to obtain an infrared image of the sample;
if the infrared image has the hot spot, adjusting the power-on parameter according to a preset rule;
and acquiring a video of the hot spot in the change process, and processing frame data of the video in a frame interpolation processing mode to obtain the change process video of the hot spot.
Storage media refers to any of various types of memory electronics or storage electronics. The term "storage medium" is intended to include: mounting media such as CD-ROM, floppy disk, or tape devices; computer system memory or random access memory such as DRAM, DDR RAM, SRAM, EDO RAM, Lanbas (Rambus) RAM, etc.; non-volatile memory such as flash memory, magnetic media (e.g., hard disk or optical storage); registers or other similar types of memory elements, etc. The storage medium may also include other types of memory or combinations thereof. In addition, the storage medium may be located in the computer system in which the program is executed, or may be located in a different second computer system connected to the computer system through a network (such as the internet). The second computer system may provide the program instructions to the computer for execution. The term "storage medium" may include two or more storage media that may reside in different unknowns (e.g., in different computer systems connected by a network). The storage medium may store program instructions (e.g., embodied as a computer program) that are executable by one or more processors.
Of course, the storage medium provided in the embodiments of the present application and containing computer-executable instructions is not limited to the above-described display operation of the hotspot change process, and may also perform related operations in the display method of the hotspot change process provided in any embodiment of the present application.
Example four
A fourth embodiment of the present application provides an electronic device, where the display apparatus for hot spot change process provided in the embodiment of the present application may be integrated in the electronic device, and the electronic device may be configured in a system or may be a device that performs part or all of functions in the system. Fig. 3 is a schematic structural diagram of an electronic device according to a fourth embodiment of the present application. As shown in fig. 3, the present embodiment provides an electronic device 300, which includes: one or more processors 320; the storage device 310 is configured to store one or more programs, and when the one or more programs are executed by the one or more processors 320, the one or more processors 320 implement the method for displaying the hotspot change process provided in the embodiment of the present application, the method includes:
electrifying a sample to obtain an infrared image of the sample;
if the infrared image has the hot spot, adjusting the power-on parameter according to a preset rule;
and acquiring a video of the hot spot in the change process, and processing frame data of the video in a frame interpolation processing mode to obtain the change process video of the hot spot.
Of course, those skilled in the art can understand that the processor 320 also implements the technical solution of the display method of the hotspot change process provided in any embodiment of the present application.
The electronic device 300 shown in fig. 3 is only an example, and should not bring any limitation to the functions and the scope of use of the embodiments of the present application.
As shown in fig. 3, the electronic device 300 includes a processor 320, a storage device 310, an input device 330, and an output device 340; the number of the processors 320 in the electronic device may be one or more, and one processor 320 is taken as an example in fig. 3; the processor 320, the storage device 310, the input device 330, and the output device 340 in the electronic apparatus may be connected by a bus or other means, and are exemplified by a bus 350 in fig. 3.
The storage device 310 is a computer-readable storage medium, and can be used to store software programs, computer-executable programs, and module units, such as program instructions corresponding to the display method of the hotspot change process in the embodiment of the present application.
The storage device 310 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the terminal, and the like. Further, the storage device 310 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device. In some examples, storage 310 may further include memory located remotely from processor 320, which may be connected via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The input device 330 may be used to receive input numbers, character information, or voice information, and to generate key signal inputs related to user settings and function control of the electronic apparatus. The output device 340 may include a display screen, a speaker, and other electronic devices.
The electronic equipment provided by the embodiment of the application can form the hot spot in a power-up mode under the condition of no damage, and can achieve the purpose of showing the conduction process of the hot spot by controlling the power-up frequency.
The display device, the medium, and the electronic device for the hotspot change process provided in the embodiments above can execute the display method for the hotspot change process provided in any embodiment of the present application, and have corresponding functional modules and beneficial effects for executing the method. For technical details that are not described in detail in the above embodiments, reference may be made to a method for displaying a hotspot change process provided in any embodiment of the present application.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present application and the technical principles employed. It will be understood by those skilled in the art that the present application is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the application. Therefore, although the present application has been described in more detail with reference to the above embodiments, the present application is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present application, and the scope of the present application is determined by the scope of the appended claims.
Claims (10)
1. A method for displaying a hotspot change process is characterized by comprising the following steps:
electrifying a sample to obtain an infrared image of the sample;
if the infrared image has the hot spot, adjusting the power-on parameter according to a preset rule;
and acquiring a video of the hot spot in the change process, and processing frame data of the video in a frame interpolation processing mode to obtain the change process video of the hot spot.
2. The method of claim 1, wherein obtaining the video of the hotspot in the change process comprises:
acquiring a video of the hot spot in the moving process by adopting a high-frame-frequency thermal imager with preset frequency; and the preset frequency of the high frame frequency thermal imager is greater than or equal to 100 Hz.
3. The method of claim 1, wherein adjusting the parameters of the power-up according to the predetermined rules comprises:
the frequency of controlling the energization according to the preset speed is switched between at least two preset frequencies.
4. The method according to claim 1, wherein the processing of frame data of the video by frame interpolation to obtain the video of the change process of the hot spot comprises:
and obtaining the change process video of the hot spot by adopting a processing mode of inserting at least one blank frame into the frame data of the video in the appointed frame interval.
5. The method according to claim 1, wherein the processing of frame data of the video by frame interpolation to obtain the video of the change process of the hot spot comprises:
a processing mode of inserting at least one copied frame into the frame data of the video in a specified frame interval is adopted to obtain the change process video of the hot spot; the copying frame is a copying result of a previous frame image or a next frame image of an insertion position.
6. The method according to claim 4 or 5, wherein the interval starting point of the specified frame interval is the position where the frame image with the hot spot appears, and the interval ending point is the position where the frame image with the hot spot shape meeting the preset requirement or the frame image with the hot spot disappearance is located.
7. The method of claim 1, wherein after obtaining the video of the variation process of the hotspot, the method further comprises:
and if the change process of the hot spot has position movement, recording the movement path of the hot spot.
8. A device for displaying hotspot change processes, which is characterized by comprising:
the infrared image acquisition module is used for electrifying a sample and acquiring an infrared image of the sample;
the parameter adjusting module is used for adjusting the power-on parameters according to a preset rule if the infrared image has a hot spot;
and the video processing module is used for acquiring the video of the hot spot in the change process, and processing the frame data of the video in a frame interpolation processing mode to obtain the change process video of the hot spot.
9. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, implements the method for displaying a hotspot change process according to any one of claims 1 to 7.
10. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the method for displaying a hotspot change process according to any one of claims 1 to 7 when executing the computer program.
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