CN108010491A - A kind of background light regulation method based on pupil radium detection - Google Patents
A kind of background light regulation method based on pupil radium detection Download PDFInfo
- Publication number
- CN108010491A CN108010491A CN201711087727.8A CN201711087727A CN108010491A CN 108010491 A CN108010491 A CN 108010491A CN 201711087727 A CN201711087727 A CN 201711087727A CN 108010491 A CN108010491 A CN 108010491A
- Authority
- CN
- China
- Prior art keywords
- image
- equipment
- pupil
- enhancing
- piecemeal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 210000001747 pupil Anatomy 0.000 title claims abstract description 95
- 229910052705 radium Inorganic materials 0.000 title claims abstract description 65
- HCWPIIXVSYCSAN-UHFFFAOYSA-N radium atom Chemical compound [Ra] HCWPIIXVSYCSAN-UHFFFAOYSA-N 0.000 title claims abstract description 65
- 238000000034 method Methods 0.000 title claims abstract description 43
- 238000001514 detection method Methods 0.000 title claims abstract description 40
- 230000002708 enhancing effect Effects 0.000 claims abstract description 70
- 238000012545 processing Methods 0.000 claims abstract description 33
- 230000006872 improvement Effects 0.000 claims abstract description 19
- 238000013480 data collection Methods 0.000 claims abstract description 4
- 239000003623 enhancer Substances 0.000 claims description 34
- 230000008569 process Effects 0.000 claims description 18
- 238000012935 Averaging Methods 0.000 claims description 8
- 230000001105 regulatory effect Effects 0.000 description 13
- 238000010586 diagram Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000008844 regulatory mechanism Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/3406—Control of illumination source
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/18—Eye characteristics, e.g. of the iris
- G06V40/193—Preprocessing; Feature extraction
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Computer Hardware Design (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Multimedia (AREA)
- Image Processing (AREA)
Abstract
The present invention relates to a kind of background light regulation method based on pupil radium detection, including：Using bias light adjustment equipment, it is arranged on the integrated circuit plate of tablet computer, the background light level of the display screen for adjusting tablet computer；Usage data collection equipment, is arranged in the front baffle of tablet computer, under the operation of user, shooting tablet computer forward image, being additionally operable under the operation of no user, the face-image of timed shooting user；Using resolution ratio analyzing device, it is connected with the data acquisition equipment, for receiving face-image, obtains the current resolution ratio of the face-image to be exported as image resolution ratio；Use pattern control device, it is connected with the resolution ratio analyzing device, for when described image resolution ratio is less than or equal to default resolution threshold, selecting the roughcast formula enhancing equipment to carry out corresponding image enhancement processing to the face-image to obtain targets improvement image.
Description
Technical field
The present invention relates to bias light to adjust field, more particularly to a kind of bias light adjusting side based on pupil radium detection
Method.
Background technology
Tablet computer is also portable computer (English：Tablet Personal Computer, abbreviation Tablet PC,
Flat Pc, Tablet, Slates), it is a kind of small-sized, PC for being convenient for carrying, is set using touch-screen as basic input
It is standby.Touch-screen that he possesses (also referred to as numerical digit plate technique) allow user to pass through stylus or digital pen carry out operation rather than
Traditional keyboard or mouse.User can be true by the soft keyboard on built-in handwriting recognition, screen, speech recognition or one
Positive keyboard realizes input (if the type is equipped with).
Due to the advantages that tablet computer is abundant in content and screen is larger, user's frequency of use is more, and usage time is longer, but
The background light level of the display screen of tablet computer is fixed, and is not adjusted in time with user's service condition, does not only result in background list
Solely, and the bias light of constant brightness is easier harm users eyes.
The content of the invention
To solve the above-mentioned problems, the present invention provides a kind of background light regulation method based on pupil radium detection, energy
Enough background light levels that display screen that the bias light adjustment equipment of tablet computer adjusted is determined based on the real-time pupil radium of user.
More specifically, the present invention at least possesses following important inventive point：
(1) using image resolution ratio to judge the factor, the image enhancement processing pattern that selection is adapted with image resolution ratio with
Ensure the image enhancement effects of various resolution ratio；
(2) in high-resolution image enhancement processing pattern, piecemeal tupe is used to improve enhancing arithmetic speed；
(3) the bias light regulation mechanism based on spectators' pupil radium measurement result has been built, has ensured the background of tablet computer
Light reaches the demand for adapting to spectators' pupil.
According to an aspect of the present invention, there is provided a kind of background light regulation method based on pupil radium detection, the side
Method includes：
Using bias light adjustment equipment, it is arranged on the integrated circuit plate of tablet computer, for adjusting the aobvious of tablet computer
The background light level of display screen；
Usage data collection equipment, is arranged in the front baffle of tablet computer, under the operation of user, shooting tablet
Computer forward image, is additionally operable under the operation of no user, the face-image of timed shooting user；
Using resolution ratio analyzing device, it is connected with the data acquisition equipment, for receiving face-image, obtains the face
Image current resolution ratio in portion's as image resolution ratio to export；
Use pattern control device, is connected with the resolution ratio analyzing device, for described image resolution ratio be less than etc.
When default resolution threshold, roughcast formula enhancing equipment is selected to carry out corresponding image enhancement processing to the face-image to obtain
Targets improvement image is obtained, is additionally operable to when described image resolution ratio is more than the default resolution threshold, selects thin pattern to strengthen
Equipment carries out corresponding image enhancement processing to obtain targets improvement image to the face-image；
Strengthen equipment using thin pattern, be connected respectively with the resolution ratio analyzing device and the mode control device, wrapped
Contrast enhancer equipment and edge enhancer equipment are included, the contrast enhancer equipment is used to receive the face-image,
The face-image is averagely divided into relevant block by the distance based on described image resolution ratio apart from the default resolution threshold
Each piecemeal of size, to each piecemeal, the pixel value variance based on the piecemeal selects the contrast of corresponding varying strength
Enhancing processing is spliced each enhancing piecemeal of acquisition to obtain splicing enhancing image, the edge increases with obtaining enhancing piecemeal
Hadron equipment is connected with the contrast enhancer equipment, for receiving the splicing enhancing image, based on the splicing enhancing
The splicing enhancing image averaging is divided into relevant block big by the resolution ratio of image apart from the far and near of the default resolution threshold
Small each piecemeal, to each piecemeal, the pixel value variance based on the piecemeal selects the edge enhancing of corresponding varying strength
Processing is spliced each enhancing piecemeal of acquisition to obtain targets improvement image with obtaining enhancing piecemeal；
Strengthen equipment using roughcast formula, be connected respectively with the resolution ratio analyzing device and the mode control device, used
In receiving the face-image, and to the face-image overall execution contrast enhancement processing to obtain targets improvement image；
Using pupil detection equipment, it is connected, uses with the thin pattern enhancing equipment and roughcast formula enhancing equipment respectively
In receiving the targets improvement image, based on default pupil upper limit gray threshold and default pupil lower limit gray threshold from the mesh
Pupil subgraph is partitioned into mark enhancing image, and real-time pupil radium is determined based on the pupil subgraph；
Be the core processor of tablet computer using DSP process chips, also respectively with the pupil detection equipment and described
Bias light adjustment equipment connects, and the back of the body is determined for receiving the real-time pupil radium, and based on the pupil radium in real time
The background light level for the display screen that scape light adjustment equipment is adjusted；
Wherein, the DSP process chips are based on the pupil radium in real time and determine that the bias light adjustment equipment is adjusted
The background light level of display screen include：The pupil radium in real time is smaller, the display that the bias light adjustment equipment is adjusted
The background light level of screen is darker；
Wherein, the DSP process chips type selecting is the TMS320C8X models of TI companies, and is built-in with memory and timing
Device.
Preferably, the DSP process chips are based on the pupil radium in real time and determine that the bias light adjustment equipment is adjusted
The background light level of the display screen of section includes：The pupil radium in real time is bigger, and the bias light adjustment equipment is adjusted aobvious
The background light level of display screen is brighter.
Preferably, in the contrast enhancer equipment, described image resolution ratio is apart from the default resolution threshold
Nearer, the relevant block that the face-image is averagely divided into is bigger.
Preferably, in the contrast enhancer equipment, to each piecemeal, the pixel value variance of the piecemeal is bigger,
The intensity of the edge enhancing processing of selection is smaller.
Preferably, in the edge enhancer equipment, the resolution ratio of the splicing enhancing image is apart from described default point
Resolution threshold value is nearer, and the relevant block that the splicing enhancing image averaging is divided into is bigger.
Preferably, in the edge enhancer equipment, to each piecemeal, the pixel value variance of the piecemeal is bigger, choosing
The intensity for the contrast enhancement processing selected is smaller.
Brief description of the drawings
Embodiment of the present invention is described below with reference to attached drawing, wherein：
Fig. 1 is at the DSP of the bias light regulating system based on pupil radium detection according to embodiment of the present invention
Manage the interface diagram of chip.
Fig. 2 is the structure side of the bias light regulating system based on pupil radium detection according to embodiment of the present invention
Block diagram.
Embodiment
Below with reference to accompanying drawings to the implementation of the bias light regulating system and method based on pupil radium detection of the invention
Scheme is described in detail.
The background light level of tablet personal computer display screen is fixed in the prior art, can not adaptively be adjusted.It is above-mentioned in order to overcome
Deficiency, it is as follows that the present invention has built a kind of the bias light regulating system based on pupil radium detection and method, specific embodiment.
Fig. 1 is at the DSP of the bias light regulating system based on pupil radium detection according to embodiment of the present invention
Manage the interface diagram of chip.As shown in Figure 1, DSP process chips are located at MCU positions.
Fig. 2 is the structure side of the bias light regulating system based on pupil radium detection according to embodiment of the present invention
Block diagram, the system comprises：
Bias light adjustment equipment, is arranged on the integrated circuit plate of tablet computer, for adjusting the display screen of tablet computer
Background light level；
Data acquisition equipment, is arranged in the front baffle of tablet computer, under the operation of user, shooting tablet computer
Forward image, is additionally operable under the operation of no user, the face-image of timed shooting user；
Resolution ratio analyzing device, is connected with the data acquisition equipment, for receiving face-image, obtains the face figure
As current resolution ratio as image resolution ratio to export；
Mode control device, is connected with the resolution ratio analyzing device, pre- for being less than or equal in described image resolution ratio
If during resolution threshold, roughcast formula enhancing equipment is selected to carry out corresponding image enhancement processing to the face-image to obtain mesh
Mark enhancing image, is additionally operable to when described image resolution ratio is more than the default resolution threshold, selects thin pattern enhancing equipment
Corresponding image enhancement processing is carried out to the face-image to obtain targets improvement image；
Thin pattern enhancing equipment, is connected with the resolution ratio analyzing device and the mode control device respectively, including right
Than degree enhancer equipment and edge enhancer equipment, the contrast enhancer equipment is used to receive the face-image, is based on
The face-image is averagely divided into relevant block size by described image resolution ratio apart from the distance of the default resolution threshold
Each piecemeal, to each piecemeal, the pixel value variance based on the piecemeal selects the contrast enhancing of corresponding varying strength
Processing is spliced each enhancing piecemeal of acquisition to obtain splicing enhancing image, the edge enhancer with obtaining enhancing piecemeal
Equipment is connected with the contrast enhancer equipment, for receiving the splicing enhancing image, based on the splicing enhancing image
Resolution ratio the splicing strengthened into image averaging be divided into corresponding block size apart from the far and near of the default resolution threshold
Each piecemeal, to each piecemeal, the pixel value variance based on the piecemeal selects the edge enhancing processing of corresponding varying strength
Strengthen piecemeal to obtain, each enhancing piecemeal of acquisition is spliced to obtain targets improvement image；
Roughcast formula strengthens equipment, is connected respectively with the resolution ratio analyzing device and the mode control device, for connecing
Receive the face-image, and to the face-image overall execution contrast enhancement processing to obtain targets improvement image；
Pupil detection equipment, is connected with the thin pattern enhancing equipment and roughcast formula enhancing equipment, for connecing respectively
The targets improvement image is received, is increased based on default pupil upper limit gray threshold and default pupil lower limit gray threshold from the target
Pupil subgraph is partitioned into strong image, and real-time pupil radium is determined based on the pupil subgraph；
DSP process chips, be tablet computer core processor, also respectively with the pupil detection equipment and the background
Light adjustment equipment connects, and the bias light is determined for receiving the real-time pupil radium, and based on the pupil radium in real time
The background light level for the display screen that adjustment equipment is adjusted；
Wherein, the DSP process chips are based on the pupil radium in real time and determine that the bias light adjustment equipment is adjusted
The background light level of display screen include：The pupil radium in real time is smaller, the display that the bias light adjustment equipment is adjusted
The background light level of screen is darker；
Wherein, the DSP process chips type selecting is the TMS320C8X models of TI companies, and is built-in with memory and timing
Device.
Then, continue to the present invention based on pupil radium detection bias light regulating system concrete structure into advance one
The explanation of step.
In the bias light regulating system based on pupil radium detection：
The DSP process chips determine the display that the bias light adjustment equipment is adjusted based on the pupil radium in real time
The background light level of screen includes：The pupil radium in real time is bigger, the back of the body for the display screen that the bias light adjustment equipment is adjusted
Scape brightness is brighter.
In the bias light regulating system based on pupil radium detection：
In the contrast enhancer equipment, described image resolution ratio is nearer apart from the default resolution threshold, will
The relevant block that the face-image is averagely divided into is bigger.
In the bias light regulating system based on pupil radium detection：
In the contrast enhancer equipment, to each piecemeal, the pixel value variance of the piecemeal is bigger, the side of selection
The intensity of edge enhancing processing is smaller.
In the bias light regulating system based on pupil radium detection：
In the edge enhancer equipment, the resolution ratio of the splicing enhancing image is apart from the default resolution threshold
Nearer, the relevant block that the splicing enhancing image averaging is divided into is bigger.
And in the bias light regulating system based on pupil radium detection：
In the edge enhancer equipment, to each piecemeal, the pixel value variance of the piecemeal is bigger, the contrast of selection
The intensity of degree enhancing processing is smaller.
Meanwhile be below the background light regulation method that is detected according to embodiment of the present invention based on pupil radium, it is described
Method includes：
Using bias light adjustment equipment, it is arranged on the integrated circuit plate of tablet computer, for adjusting the aobvious of tablet computer
The background light level of display screen；
Usage data collection equipment, is arranged in the front baffle of tablet computer, under the operation of user, shooting tablet
Computer forward image, is additionally operable under the operation of no user, the face-image of timed shooting user；
Using resolution ratio analyzing device, it is connected with the data acquisition equipment, for receiving face-image, obtains the face
Image current resolution ratio in portion's as image resolution ratio to export；
Use pattern control device, is connected with the resolution ratio analyzing device, for described image resolution ratio be less than etc.
When default resolution threshold, roughcast formula enhancing equipment is selected to carry out corresponding image enhancement processing to the face-image to obtain
Targets improvement image is obtained, is additionally operable to when described image resolution ratio is more than the default resolution threshold, selects thin pattern to strengthen
Equipment carries out corresponding image enhancement processing to obtain targets improvement image to the face-image；
Strengthen equipment using thin pattern, be connected respectively with the resolution ratio analyzing device and the mode control device, wrapped
Contrast enhancer equipment and edge enhancer equipment are included, the contrast enhancer equipment is used to receive the face-image,
The face-image is averagely divided into relevant block by the distance based on described image resolution ratio apart from the default resolution threshold
Each piecemeal of size, to each piecemeal, the pixel value variance based on the piecemeal selects the contrast of corresponding varying strength
Enhancing processing is spliced each enhancing piecemeal of acquisition to obtain splicing enhancing image, the edge increases with obtaining enhancing piecemeal
Hadron equipment is connected with the contrast enhancer equipment, for receiving the splicing enhancing image, based on the splicing enhancing
The splicing enhancing image averaging is divided into relevant block big by the resolution ratio of image apart from the far and near of the default resolution threshold
Small each piecemeal, to each piecemeal, the pixel value variance based on the piecemeal selects the edge enhancing of corresponding varying strength
Processing is spliced each enhancing piecemeal of acquisition to obtain targets improvement image with obtaining enhancing piecemeal；
Strengthen equipment using roughcast formula, be connected respectively with the resolution ratio analyzing device and the mode control device, used
In receiving the face-image, and to the face-image overall execution contrast enhancement processing to obtain targets improvement image；
Using pupil detection equipment, it is connected, uses with the thin pattern enhancing equipment and roughcast formula enhancing equipment respectively
In receiving the targets improvement image, based on default pupil upper limit gray threshold and default pupil lower limit gray threshold from the mesh
Pupil subgraph is partitioned into mark enhancing image, and real-time pupil radium is determined based on the pupil subgraph；
Be the core processor of tablet computer using DSP process chips, also respectively with the pupil detection equipment and described
Bias light adjustment equipment connects, and the back of the body is determined for receiving the real-time pupil radium, and based on the pupil radium in real time
The background light level for the display screen that scape light adjustment equipment is adjusted；
Wherein, the DSP process chips are based on the pupil radium in real time and determine that the bias light adjustment equipment is adjusted
The background light level of display screen include：The pupil radium in real time is smaller, the display that the bias light adjustment equipment is adjusted
The background light level of screen is darker；
Wherein, the DSP process chips type selecting is the TMS320C8X models of TI companies, and is built-in with memory and timing
Device.
Then, continue to the present invention based on pupil radium detection background light regulation method specific steps into advance one
The explanation of step.
In the background light regulation method based on pupil radium detection：
The DSP process chips determine the display that the bias light adjustment equipment is adjusted based on the pupil radium in real time
The background light level of screen includes：The pupil radium in real time is bigger, the back of the body for the display screen that the bias light adjustment equipment is adjusted
Scape brightness is brighter.
In the background light regulation method based on pupil radium detection：
In the contrast enhancer equipment, described image resolution ratio is nearer apart from the default resolution threshold, will
The relevant block that the face-image is averagely divided into is bigger.
In the background light regulation method based on pupil radium detection：
In the contrast enhancer equipment, to each piecemeal, the pixel value variance of the piecemeal is bigger, the side of selection
The intensity of edge enhancing processing is smaller.
In the background light regulation method based on pupil radium detection：
In the edge enhancer equipment, the resolution ratio of the splicing enhancing image is apart from the default resolution threshold
Nearer, the relevant block that the splicing enhancing image averaging is divided into is bigger.
And in the background light regulation method based on pupil radium detection：
In the edge enhancer equipment, to each piecemeal, the pixel value variance of the piecemeal is bigger, the contrast of selection
The intensity of degree enhancing processing is smaller.
In addition, the inside of dsp chip using program and the separated Harvard structure of data, has special hardware multiplier,
Widely used pile line operation, there is provided special DSP instructions, can be used for quickly realizing various digital signal processing algorithms.
According to the requirement of Digital Signal Processing, dsp chip generally has some following main features：(1) in a finger
A multiplication and a sub-addition can be completed by making in the cycle.(2) program and data space is separated, can at the same time access instruction sum number
According to.(3) there is quick RAM in piece, can be usually accessed at the same time in two pieces by independent data/address bus.(4) there is low overhead
Or without overhead loop and the hardware supported redirected.(5) quickly interrupt processing and Hardware I/O are supported.(6) have within the monocycle
Multiple hardware address generators of operation.(7) multiple operations can be performed parallel.(8) support pile line operation, make fetching, translate
The operation such as code and execution can be with Overlapped Execution.
The data format that is worked according to dsp chip is classified.The dsp chip that data are worked with fixed point format is known as pinpointing
Dsp chip, TMS320C1X/C2X, TMS320C2XX/C5X, TMS320C54X/C62XX such as TI companies are serial, AD companies
ADSP21XX series, the DSP16/16A of AT ＆ T Corp., the MC56000 of Motolora companies etc..What is worked in a floating-point format is known as
Float-point DSP, such as the TMS320C3X/C4X/C8X of TI companies, the ADSP21XXX of AD companies is serial, AT ＆ T Corp.
MC96002 of DSP32/32C, Motolora company etc..
Bias light regulating system and method using the present invention based on pupil radium detection, for prior art middle plateform
The technical problem that computer bias light can not be adjusted flexibly, by introducing pupil detection equipment, the image after being handled for reception, base
Pupil is partitioned into from the image after the processing in default pupil upper limit gray threshold and default pupil lower limit gray threshold
Image, and real-time pupil radium is determined based on the pupil subgraph, DSP process chips are also introduced, are the core of tablet computer
Heart processor, for receiving the real-time pupil radium, and determines that the bias light is adjusted based on the pupil radium in real time and sets
The background light level of the standby display screen adjusted.
It is understood that although the present invention is disclosed as above with preferred embodiment, but above-described embodiment and it is not used to
Limit the present invention.For any those skilled in the art, without departing from the scope of the technical proposal of the invention,
Many possible changes and modifications are all made to technical solution of the present invention using the technology contents of the disclosure above, or are revised as
With the equivalent embodiment of change.Therefore, every content without departing from technical solution of the present invention, the technical spirit pair according to the present invention
Any simple modifications, equivalents, and modifications made for any of the above embodiments, still fall within the scope of technical solution of the present invention protection
It is interior.
Claims (6)
- A kind of 1. background light regulation method based on pupil radium detection, it is characterised in that the described method includes：Using bias light adjustment equipment, it is arranged on the integrated circuit plate of tablet computer, for adjusting the display screen of tablet computer Background light level；Usage data collection equipment, is arranged in the front baffle of tablet computer, under the operation of user, shooting tablet computer Forward image, is additionally operable under the operation of no user, the face-image of timed shooting user；Using resolution ratio analyzing device, it is connected with the data acquisition equipment, for receiving face-image, obtains the face figure As current resolution ratio as image resolution ratio to export；Use pattern control device, is connected with the resolution ratio analyzing device, pre- for being less than or equal in described image resolution ratio If during resolution threshold, roughcast formula enhancing equipment is selected to carry out corresponding image enhancement processing to the face-image to obtain mesh Mark enhancing image, is additionally operable to when described image resolution ratio is more than the default resolution threshold, selects thin pattern enhancing equipment Corresponding image enhancement processing is carried out to the face-image to obtain targets improvement image；Strengthen equipment using thin pattern, be connected respectively with the resolution ratio analyzing device and the mode control device, including it is right Than degree enhancer equipment and edge enhancer equipment, the contrast enhancer equipment is used to receive the face-image, is based on The face-image is averagely divided into relevant block size by described image resolution ratio apart from the distance of the default resolution threshold Each piecemeal, to each piecemeal, the pixel value variance based on the piecemeal selects the contrast enhancing of corresponding varying strength Processing is spliced each enhancing piecemeal of acquisition to obtain splicing enhancing image, the edge enhancer with obtaining enhancing piecemeal Equipment is connected with the contrast enhancer equipment, for receiving the splicing enhancing image, based on the splicing enhancing image Resolution ratio the splicing strengthened into image averaging be divided into corresponding block size apart from the far and near of the default resolution threshold Each piecemeal, to each piecemeal, the pixel value variance based on the piecemeal selects the edge enhancing processing of corresponding varying strength Strengthen piecemeal to obtain, each enhancing piecemeal of acquisition is spliced to obtain targets improvement image；Strengthen equipment using roughcast formula, be connected respectively with the resolution ratio analyzing device and the mode control device, for connecing Receive the face-image, and to the face-image overall execution contrast enhancement processing to obtain targets improvement image；Using pupil detection equipment, it is connected respectively with the thin pattern enhancing equipment and roughcast formula enhancing equipment, for connecing The targets improvement image is received, is increased based on default pupil upper limit gray threshold and default pupil lower limit gray threshold from the target Pupil subgraph is partitioned into strong image, and real-time pupil radium is determined based on the pupil subgraph；Be the core processor of tablet computer using DSP process chips, also respectively with the pupil detection equipment and the background Light adjustment equipment connects, and the bias light is determined for receiving the real-time pupil radium, and based on the pupil radium in real time The background light level for the display screen that adjustment equipment is adjusted；Wherein, the DSP process chips determine that the bias light adjustment equipment is adjusted aobvious based on the pupil radium in real time The background light level of display screen includes：The pupil radium in real time is smaller, the display screen that the bias light adjustment equipment is adjusted Background light level is darker；Wherein, the DSP process chips type selecting is the TMS320C8X models of TI companies, and is built-in with memory and timer.
- 2. the background light regulation method as claimed in claim 1 based on pupil radium detection, it is characterised in that：The DSP process chips determine display screen that the bias light adjustment equipment adjusted based on the pupil radium in real time Background light level includes：The pupil radium in real time is bigger, the bias light for the display screen that the bias light adjustment equipment is adjusted Brighter display.
- 3. the background light regulation method as claimed in claim 2 based on pupil radium detection, it is characterised in that：In the contrast enhancer equipment, described image resolution ratio is nearer apart from the default resolution threshold, by described in The relevant block that face-image is averagely divided into is bigger.
- 4. the background light regulation method as claimed in claim 3 based on pupil radium detection, it is characterised in that：In the contrast enhancer equipment, to each piecemeal, the pixel value variance of the piecemeal is bigger, and the edge of selection increases The intensity of strength reason is smaller.
- 5. the background light regulation method as claimed in claim 4 based on pupil radium detection, it is characterised in that：In the edge enhancer equipment, the resolution ratio of the splicing enhancing image is got over apart from the default resolution threshold Closely, the relevant block splicing enhancing image averaging being divided into is bigger.
- 6. the background light regulation method as claimed in claim 5 based on pupil radium detection, it is characterised in that：In the edge enhancer equipment, to each piecemeal, the pixel value variance of the piecemeal is bigger, and the contrast of selection increases The intensity of strength reason is smaller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711087727.8A CN108010491B (en) | 2017-11-08 | 2017-11-08 | A kind of background light regulation method based on pupil radium detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711087727.8A CN108010491B (en) | 2017-11-08 | 2017-11-08 | A kind of background light regulation method based on pupil radium detection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108010491A true CN108010491A (en) | 2018-05-08 |
| CN108010491B CN108010491B (en) | 2018-09-07 |
Family
ID=62051523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711087727.8A Active CN108010491B (en) | 2017-11-08 | 2017-11-08 | A kind of background light regulation method based on pupil radium detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108010491B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109379625A (en) * | 2018-11-27 | 2019-02-22 | Oppo广东移动通信有限公司 | Method for processing video frequency, device, electronic equipment and computer-readable medium |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101510302A (en) * | 2009-03-25 | 2009-08-19 | 北京中星微电子有限公司 | Method and apparatus for enhancing image |
| CN101770639A (en) * | 2010-01-14 | 2010-07-07 | 北京航空航天大学 | Enhancement method of low-illumination image |
| US20110080421A1 (en) * | 2009-10-06 | 2011-04-07 | Palm, Inc. | Techniques for adaptive brightness control of a display |
| CN103136512A (en) * | 2013-02-04 | 2013-06-05 | 重庆市科学技术研究院 | Pupil positioning method and system |
| CN103164704A (en) * | 2013-04-12 | 2013-06-19 | 山东师范大学 | Iris image segmentation algorithm based on mixed Gaussian model |
| CN103218990A (en) * | 2013-03-29 | 2013-07-24 | 深圳市金立通信设备有限公司 | Method for adjusting screen brightness and terminal |
| CN104766590A (en) * | 2014-01-02 | 2015-07-08 | 广达电脑股份有限公司 | Head-mounted display device and backlight adjusting method thereof |
| CN105516446A (en) * | 2014-09-26 | 2016-04-20 | 中兴通讯股份有限公司 | Terminal screen backlight adjusting method and terminal |
| CN105679253A (en) * | 2016-03-30 | 2016-06-15 | 深圳还是威健康科技有限公司 | Terminal backlight adjustment method and device |
| CN105809638A (en) * | 2016-03-01 | 2016-07-27 | 深圳Tcl数字技术有限公司 | Image processing method and apparatus |
| CN106297675A (en) * | 2015-05-18 | 2017-01-04 | 西安中兴新软件有限责任公司 | A kind of method for controlling backlight thereof and device |
-
2017
- 2017-11-08 CN CN201711087727.8A patent/CN108010491B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101510302A (en) * | 2009-03-25 | 2009-08-19 | 北京中星微电子有限公司 | Method and apparatus for enhancing image |
| US20110080421A1 (en) * | 2009-10-06 | 2011-04-07 | Palm, Inc. | Techniques for adaptive brightness control of a display |
| CN101770639A (en) * | 2010-01-14 | 2010-07-07 | 北京航空航天大学 | Enhancement method of low-illumination image |
| CN103136512A (en) * | 2013-02-04 | 2013-06-05 | 重庆市科学技术研究院 | Pupil positioning method and system |
| CN103218990A (en) * | 2013-03-29 | 2013-07-24 | 深圳市金立通信设备有限公司 | Method for adjusting screen brightness and terminal |
| CN103164704A (en) * | 2013-04-12 | 2013-06-19 | 山东师范大学 | Iris image segmentation algorithm based on mixed Gaussian model |
| CN104766590A (en) * | 2014-01-02 | 2015-07-08 | 广达电脑股份有限公司 | Head-mounted display device and backlight adjusting method thereof |
| CN105516446A (en) * | 2014-09-26 | 2016-04-20 | 中兴通讯股份有限公司 | Terminal screen backlight adjusting method and terminal |
| CN106297675A (en) * | 2015-05-18 | 2017-01-04 | 西安中兴新软件有限责任公司 | A kind of method for controlling backlight thereof and device |
| CN105809638A (en) * | 2016-03-01 | 2016-07-27 | 深圳Tcl数字技术有限公司 | Image processing method and apparatus |
| CN105679253A (en) * | 2016-03-30 | 2016-06-15 | 深圳还是威健康科技有限公司 | Terminal backlight adjustment method and device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109379625A (en) * | 2018-11-27 | 2019-02-22 | Oppo广东移动通信有限公司 | Method for processing video frequency, device, electronic equipment and computer-readable medium |
| CN109379625B (en) * | 2018-11-27 | 2020-05-19 | Oppo广东移动通信有限公司 | Video processing method, video processing device, electronic equipment and computer readable medium |
| EP3886448A4 (en) * | 2018-11-27 | 2021-12-15 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Video processing method and device, electronic equipment and computer readable medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108010491B (en) | 2018-09-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107731175B (en) | Bias light regulating system based on pupil radium detection | |
| CN107181559B (en) | Processing method, device, storage medium and the terminal of radio frequency interference | |
| KR20160001964A (en) | Operating Method For Microphones and Electronic Device supporting the same | |
| US9384708B2 (en) | Display screen management method and device | |
| US20200126495A1 (en) | Proximity detection method, storage medium, and electronic device | |
| US11690206B2 (en) | Method for electromagnetic interference control, electronic device, and storage medium | |
| CN110378287A (en) | Document direction recognizing method, device and storage medium | |
| CN108961157A (en) | Image processing method, picture processing unit and terminal device | |
| CN109151337A (en) | Recognition of face light compensation method, recognition of face light compensating apparatus and mobile terminal | |
| CN107862660A (en) | Data optimization methods, device and ultrasonic platform | |
| CN109272917A (en) | Screen luminance adjustment method, device, storage medium and electronic equipment | |
| CN111353458A (en) | Text box marking method and device and storage medium | |
| CN110377414A (en) | Adjusting method, device, terminal and the storage medium of capacitive touch screen | |
| CN108010491B (en) | A kind of background light regulation method based on pupil radium detection | |
| CN105183217A (en) | Touch display device and touch display method | |
| CN108682018A (en) | The instant detection platform of equipment degree of lacking | |
| CN114864043A (en) | Cognitive training method, device and medium based on VR equipment | |
| CN103809909B (en) | A kind of information processing method and electronic equipment | |
| CN111832256B (en) | Method and related device for marking information of examination drawing | |
| CN109040729A (en) | Image white balance correcting, device, storage medium and terminal | |
| CN106951108B (en) | Virtual screen implementation method and device | |
| CN110297592B (en) | Processing method and electronic equipment | |
| WO2020088157A1 (en) | Method for processing fingerprint image and related product | |
| CN109657562B (en) | Fingerprint input method and related equipment | |
| CN105657187A (en) | Visible light communication method and system and equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20180802 Address after: 518000 No. 3 and No. 4 Workshop No. 6 of Shangxue Science and Technology Industrial City North District, Shenzhen City, Guangdong Province Applicant after: Shenzhen Sungworld Electronic Co., Ltd. Address before: 066200 6 Guancheng Road, Shanhaiguan District, Qinhuangdao, Hebei Applicant before: Sun Xingzhen |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |