CN108777743B - Method for changing video color in real time based on gyroscope - Google Patents
Method for changing video color in real time based on gyroscope Download PDFInfo
- Publication number
- CN108777743B CN108777743B CN201810505150.6A CN201810505150A CN108777743B CN 108777743 B CN108777743 B CN 108777743B CN 201810505150 A CN201810505150 A CN 201810505150A CN 108777743 B CN108777743 B CN 108777743B
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- color
- mobile phone
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- gyroscope
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72448—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
- H04M1/72454—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions according to context-related or environment-related conditions
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/62—Control of parameters via user interfaces
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/80—Camera processing pipelines; Components thereof
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/64—Circuits for processing colour signals
- H04N9/643—Hue control means, e.g. flesh tone control
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Human Computer Interaction (AREA)
- Environmental & Geological Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Closed-Circuit Television Systems (AREA)
- Studio Devices (AREA)
- Image Processing (AREA)
- User Interface Of Digital Computer (AREA)
- Controls And Circuits For Display Device (AREA)
Abstract
A gyroscope-based method of changing video color in real time, the method comprising: opening a camera of the mobile phone, and clicking to shoot; shooting by a mobile phone, and acquiring real-time image information by a camera to acquire a current video sequence frame; the user selects any color in the video according to the shot video; detecting a region of a color selected by a user in a current video frame; moving or rotating the mobile phone, wherein a gyroscope arranged in the mobile phone also generates a rotation angle to obtain the angle change value; calculating a new color tone value according to the angle change value; changing the area of the selected color in the image to a new color; and outputting the video sequence frames with the changed colors to perform real-time video display. According to the invention, a mode of replacing gesture operation by the gyroscope is adopted, the color change effect is not required to be specified by the gesture, the color of the shot object can be changed in real time by monitoring the inclination or rotation amplitude of the mobile phone, great convenience is brought to the user, a brand new shooting experience is brought to the user, and the user experience is further improved.
Description
Technical Field
The invention relates to the technical field of video image processing, in particular to a method for changing video color in real time based on a gyroscope.
Background
In the current prior art, in the image capturing range, the color transformation of an object in a video image is required to be changed, the video image is only required to be processed in a later stage after being acquired, the color of the moving object which is shot cannot be transformed in real time during shooting, although the processing in the later stage can achieve the same effect, the hysteresis is too large, and the post-processing needs a large amount of manpower and material resources, while the technical requirement of the current internet market for the real-time color transformation of the moving object is more and more large, and the technology is urgently needed to meet the requirement of a user.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the method for changing the color of the video in real time based on the gyroscope is quick and convenient, does not need post-processing and can be used on various devices, so that the defects in the prior art are overcome.
The technical scheme adopted by the invention is as follows: a gyroscope-based method for changing video color in real time, comprising the steps of:
s1: opening a camera of the mobile phone, and clicking to shoot;
s2: shooting by a mobile phone, and acquiring real-time image information by a camera to acquire a current video sequence frame;
s3: the user selects any color in the video according to the shot video;
s4: detecting a region of a color selected by a user in a current video frame;
s5: moving or rotating the mobile phone, wherein a gyroscope arranged in the mobile phone also generates a rotation angle to obtain the angle change value;
s6: calculating a new color tone value according to the angle change value;
s7: changing the area of the selected color in the image to a new color;
s8: and outputting the video sequence frames with the changed colors to perform real-time video display.
The further technical scheme is as follows: the step S4 specifically includes the following steps:
s21: converting the color space of the current video frame from RGB into HSV;
s22: comparing the tone values H of all colors in the image with the tone values of the colors selected by the user on the basis of the tone values;
s23: the area of the color selected by the user in the current video frame is detected.
Further: the steps S6 to S7 specifically include the following steps:
s31: in the selected color region detected in step S4, based on the hue value Hn of each pixel in the HSV space, offset calculation is performed according to the angle change value in step S5 on the basis of the hue value Hn, to obtain a new hue value Hm of each pixel;
s32: changing the tone value Hn of each pixel point into a new tone value Hm;
s33: and finally, converting the color space of the current video frame into RGB by HSV.
Due to the adoption of the technical scheme, the method for changing the color of the video in real time based on the gyroscope has the following beneficial effects:
according to the method for changing the video color in real time based on the gyroscope, when a camera of a mobile phone shoots, the color appearing in the video is selected, the mobile phone is rotated or inclined, an angle deviation value generated in the rotation process of the mobile phone is calculated through a gyroscope sensor arranged in the mobile phone, and finally the selected color is changed according to the size of the deviation value.
The technical features of a method for changing video color in real time based on a gyroscope according to the present invention will be further described with reference to the following embodiments.
Drawings
None.
Abbreviations herein illustrate:
RGB: one method of representing color patterns, namely (Red, Green, Blue);
HSV: one method of representing a color mode is (Hue, Saturation, Value).
Detailed Description
Examples
A gyroscope-based method for changing video color in real time, comprising the steps of:
s1: opening a camera of the mobile phone, and clicking to shoot;
s2: shooting by a mobile phone, and acquiring real-time image information by a camera to acquire a current video sequence frame;
s3: the user selects any color in the video according to the shot video;
s4: detecting a region of a color selected by a user in a current video frame;
s5: moving or rotating the mobile phone, wherein a gyroscope arranged in the mobile phone also generates a rotation angle to obtain the angle change value;
s6: calculating a new color tone value according to the angle change value;
s7: changing the area of the selected color in the image to a new color;
s8: and outputting the video sequence frames with the changed colors to perform real-time video display.
The step S4 specifically includes the following steps:
s21: converting the color space of the current video frame from RGB into HSV;
s22: comparing the tone values H of all colors in the image with the tone values of the colors selected by the user on the basis of the tone values;
s23: the area of the color selected by the user in the current video frame is detected.
The steps S6 to S7 specifically include the following steps:
s31: in the selected color region detected in step S4, based on the hue value Hn of each pixel in the HSV space, offset calculation is performed according to the angle change value in step S5 on the basis of the hue value Hn, to obtain a new hue value Hm of each pixel;
s32: changing the tone value Hn of each pixel point into a new tone value Hm;
s33: and finally, converting the color space of the current video frame into RGB by HSV.
The above embodiments are only preferred embodiments of the present invention, and the structure of the present invention is not limited to the forms of the above embodiments, and any modifications, equivalents and the like within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (1)
1. A method for changing video color in real time based on a gyroscope is characterized in that: the method comprises the following steps:
s1: opening a camera of the mobile phone, and clicking to shoot;
s2: shooting by a mobile phone, and acquiring real-time image information by a camera to acquire a current video sequence frame;
s3: the user selects any color in the video according to the shot video;
s4: detecting a region of a color selected by a user in a current video frame;
s21: converting the color space of the current video frame from RGB into HSV;
s22: comparing the tone values H of all colors in the image with the tone values of the colors selected by the user on the basis of the tone values;
s23: detecting a region of a color selected by a user in a current video frame;
s5: moving or rotating the mobile phone, wherein a gyroscope arranged in the mobile phone also generates a rotation angle to obtain the angle change value;
s6: calculating a new color tone value according to the angle change value;
s7: changing the area of the selected color in the image to a new color;
s31: in the selected color region detected in step S4, based on the hue value Hn of each pixel in the HSV space, offset calculation is performed according to the angle change value in step S5 on the basis of the hue value Hn, to obtain a new hue value Hm of each pixel;
s32: changing the tone value Hn of each pixel point into a new tone value Hm;
s33: finally, converting the color space of the current video frame into RGB from HSV;
s8: and outputting the video sequence frames with the changed colors to perform real-time video display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810505150.6A CN108777743B (en) | 2018-05-24 | 2018-05-24 | Method for changing video color in real time based on gyroscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810505150.6A CN108777743B (en) | 2018-05-24 | 2018-05-24 | Method for changing video color in real time based on gyroscope |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108777743A CN108777743A (en) | 2018-11-09 |
| CN108777743B true CN108777743B (en) | 2020-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810505150.6A Active CN108777743B (en) | 2018-05-24 | 2018-05-24 | Method for changing video color in real time based on gyroscope |
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| CN1926496A (en) * | 2004-03-01 | 2007-03-07 | 苹果电脑有限公司 | Methods and apparatuses for operating a portable device based on an accelerometer |
| CN102917158A (en) * | 2012-09-07 | 2013-02-06 | 中兴通讯股份有限公司 | Dynamic color replacing device and method as well as cellphone |
| KR20160051947A (en) * | 2014-10-30 | 2016-05-12 | 삼성전자주식회사 | Method for operating communication and electronic device supporting the same |
| CN105657937A (en) * | 2015-12-30 | 2016-06-08 | 芜湖锐芯电子科技有限公司 | Method for controlling illuminating device by means of smart phone sensor |
| JP2017079457A (en) * | 2015-10-19 | 2017-04-27 | このみ 一色 | Portable information terminal, information processing apparatus, and program |
-
2018
- 2018-05-24 CN CN201810505150.6A patent/CN108777743B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1926496A (en) * | 2004-03-01 | 2007-03-07 | 苹果电脑有限公司 | Methods and apparatuses for operating a portable device based on an accelerometer |
| CN1677318A (en) * | 2004-03-31 | 2005-10-05 | 日本电气株式会社 | Portable device with action shortcut function |
| CN102917158A (en) * | 2012-09-07 | 2013-02-06 | 中兴通讯股份有限公司 | Dynamic color replacing device and method as well as cellphone |
| KR20160051947A (en) * | 2014-10-30 | 2016-05-12 | 삼성전자주식회사 | Method for operating communication and electronic device supporting the same |
| JP2017079457A (en) * | 2015-10-19 | 2017-04-27 | このみ 一色 | Portable information terminal, information processing apparatus, and program |
| CN105657937A (en) * | 2015-12-30 | 2016-06-08 | 芜湖锐芯电子科技有限公司 | Method for controlling illuminating device by means of smart phone sensor |
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| CN108777743A (en) | 2018-11-09 |
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Address after: 545616 No.233, building 3, factory building, area a, No.19 Chuyang Road, Liudong New District, Liuzhou City, Guangxi Zhuang Autonomous Region Patentee after: LIUZHOU ZHISHI TECHNOLOGY Co.,Ltd. Address before: 545006 5-12, building C, information industrial park, Gaoxin 1st Road, Chengzhong District, Liuzhou City, Guangxi Zhuang Autonomous Region Patentee before: LIUZHOU ZHISHI TECHNOLOGY Co.,Ltd. |