US20170372615A1 - Apparatus and method for displaying parking zone - Google Patents
Apparatus and method for displaying parking zone Download PDFInfo
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- US20170372615A1 US20170372615A1 US15/336,315 US201615336315A US2017372615A1 US 20170372615 A1 US20170372615 A1 US 20170372615A1 US 201615336315 A US201615336315 A US 201615336315A US 2017372615 A1 US2017372615 A1 US 2017372615A1
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- 238000000034 method Methods 0.000 title claims description 22
- 239000003086 colorant Substances 0.000 claims description 2
- 230000006399 behavior Effects 0.000 description 23
- 238000005516 engineering process Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/14—Traffic control systems for road vehicles indicating individual free spaces in parking areas
- G08G1/141—Traffic control systems for road vehicles indicating individual free spaces in parking areas with means giving the indication of available parking spaces
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/16—Anti-collision systems
- G08G1/168—Driving aids for parking, e.g. acoustic or visual feedback on parking space
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
- B60R1/02—Rear-view mirror arrangements
- B60R1/08—Rear-view mirror arrangements involving special optical features, e.g. avoiding blind spots, e.g. convex mirrors; Side-by-side associations of rear-view and other mirrors
- B60R1/081—Rear-view mirror arrangements involving special optical features, e.g. avoiding blind spots, e.g. convex mirrors; Side-by-side associations of rear-view and other mirrors avoiding blind spots, e.g. by using a side-by-side association of mirrors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
- B60R1/20—Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
- B60R1/22—Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles for viewing an area outside the vehicle, e.g. the exterior of the vehicle
- B60R1/23—Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles for viewing an area outside the vehicle, e.g. the exterior of the vehicle with a predetermined field of view
- B60R1/27—Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles for viewing an area outside the vehicle, e.g. the exterior of the vehicle with a predetermined field of view providing all-round vision, e.g. using omnidirectional cameras
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R2300/00—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle
- B60R2300/20—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of display used
- B60R2300/202—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of display used displaying a blind spot scene on the vehicle part responsible for the blind spot
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R2300/00—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle
- B60R2300/30—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of image processing
- B60R2300/304—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of image processing using merged images, e.g. merging camera image with stored images
- B60R2300/305—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of image processing using merged images, e.g. merging camera image with stored images merging camera image with lines or icons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R2300/00—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle
- B60R2300/80—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the intended use of the viewing arrangement
- B60R2300/806—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the intended use of the viewing arrangement for aiding parking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W50/08—Interaction between the driver and the control system
- B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
- B60W2050/146—Display means
Definitions
- the present disclosure relates to an apparatus and a method for displaying a parking zone, and more particularly, to a technology of supporting parking by providing a parking zone image extended and displayed up to a portion that is not viewed to a rear camera.
- a vehicle driver may look into a side mirror and a room mirror mounted on a vehicle or directly confirm a rear area of a vehicle with the naked eye in order to monitor objects at a rear of the vehicle at the time of parking the vehicle or when driving the vehicle in reverse.
- the side mirror has a semi-rectangular shape, there are a lot of dead zones that may not be recognized by the driver.
- there is a large limitation in confirming rear obstacle particularly, an obstacle positioned at a short distance through the room mirror, such that the rear object is not accurately recognized, thereby often causing a fender-bender or a human accident.
- a technology of installing a camera at the rear of the vehicle and providing a rear image of the vehicle onto a screen installed on a dash board to allow the driver to perform an auxiliary role at the time of parking the vehicle and backward moving the vehicle has been developed.
- a technology of displaying a virtual parking guide line on a screen and displaying the virtual parking guide line so as to be bent depending on movement of the vehicle to assist in driving of the vehicle by the driver as well as simply displaying the rear image has been developed.
- An aspect of the present disclosure provides an apparatus and a method for displaying a parking zone capable of displaying and providing a parking zone of a non-display region that is not displayed by a rear camera.
- an apparatus for displaying a parking zone includes: a parking zone display controlling unit configured to recognize parking zone lines from image data, to recognize a target parking zone in which a vehicle is to be parked among the parking zone lines on the basis of one or more of vehicle behavior information and the image data, and to correct the parking zone lines so that target parking zone lines in non-display region are displayed; and a parting zone display unit configured to display the parking zone lines corrected by the parking zone display controlling unit.
- the parking zone display controlling unit may include: a parting zone recognizing unit configured to recognize the parking zone lines in the image data; and a parking zone correcting unit configured to set a region of interest for a parking position among the recognized parking zone lines and to correct the recognized parking zone lines so that parking zone lines in the non-display region among the recognized parking zone lines are displayed on the basis of image information within the region of interest.
- the parking zone correcting unit may include: a vehicle behavior based correcting unit configured to calculate vehicle behavior information, to change a position of the target parking zone corresponding to a space in which the vehicle is to be parked in the parking zone recognized in the parking zone recognizing unit on the basis of the vehicle behavior information, and to set the region of interest including the position of the target parking zone; and an image based correcting unit configured to detect feature lines within the region of interest and to extend and display parking zone lines of the target parking zone to and on the non-display region on the basis of the feature lines.
- the vehicle behavior based correcting unit may set the region of interest to an entire parking zone or set the region of interest to be larger than the target parking zone.
- the image based correcting unit may be configured to detect straight lines among parking zone lines within the region of interest as the feature lines, to extend the feature lines to the non-display region, to detect intersection points at which extension lines meet each other, and to display extension lines up to an intersection point that is closest to the target parking zone among intersection points within the non-display region as the target parking zone.
- the parking zone display unit may be configured to display the target parking zone by a first line and to display parking zone lines of a non-display region portion in the target parking zone by a second line.
- the parking zone display unit may be configured to distinguish the first and second lines by making one or more of thicknesses, shapes, and colors of the first and second lines different from each other.
- the parking zone display unit may be configured to display an entire parking zone in the corrected parking zone lines by a first line and to display the target parking zone by a second line distinguished from the first line by one or more of a color, a shape, and a thickness.
- the parking zone display unit may be configured to display an entire parking zone including the target parking zone in the corrected parking zone lines by the same line.
- the apparatus for displaying a parking zone may further include a target parking zone mode setting unit configured to decide a target parking zone mode on the basis of the image data or a user input.
- a method for displaying a parking zone includes: recognizing parking zone lines on the basis of image data; correcting the recognized parking zone lines so that parking zone lines in a non-display region among the recognized parking zone lines are displayed, using one or more of vehicle behavior information and the image data; and displaying the corrected parking zone lines.
- the parking zone lines may be recognized depending on one or more conditions of widths and angles of lines constituting the parking zone.
- the correcting of the recognized parking zone lines may include: calculating a target parking zone in which a vehicle is to be parked on the basis of the vehicle behavior information; setting a region of interest including the target parking zone on the basis of the vehicle behavior information; detecting feature lines within the region of interest on the basis of the image data; extending the feature lines to a non-display region in the image data; and displaying the target parking zone in the non-display region using intersection points between the extended feature lines.
- extension lines up to an intersection point that is closest to the target parking zone among intersection points positioned in the non-display region among the intersection points between the extended feature lines may be displayed.
- all of the corrected parking zone lines may be displayed by the same line.
- an entire parking zone among the corrected parking zone lines may be displayed by a first line, and the target parking zone may be displayed by a second line distinguished from the first line.
- parking zone lines corresponding to the non-display region in the target parking zone may be displayed by a third line different from the second line.
- FIG. 1 is a block diagram illustrating an apparatus for displaying a parking zone according.
- FIG. 2 is a flow chart illustrating a method for displaying a parking zone.
- FIG. 3 is a flow chart illustrating a method for correcting a parking zone of FIG. 2 in detail.
- FIG. 4A is a view illustrating a vehicle behavior based target parking zone.
- FIG. 4F is a view for describing a method for changing a vehicle behavior based target parking zone position of FIG. 4 A.
- FIG. 4C is a view illustrating an example in which a region of interest is set in an image representing a parking zone.
- FIG. 4D is an illustrative view for describing a process of detecting a feature line.
- FIG. 4E is an illustrative view for describing a process of extending a feature line.
- FIG. 4F is an illustrative view for describing a process of displaying a parking zone in a non-display region from an extension line.
- FIG. 5 is an illustrative view illustrating an example of displaying a target parking zone by a color different from that of an entire parking zone.
- FIG. 6 is an illustrative view illustrating an example of displaying only a non-display region in a target parking zone by another color.
- FIG. 7 is an illustrative view illustrating an example of displaying an entire parking zone including a target parking zone by one color.
- FIG. 8 is a block diagram illustrating a computer system to which a technology for displaying a parking zone is applied.
- FIGS. 1 to 8 exemplary forms of the present disclosure will be described in detail with reference to FIGS. 1 to 8 .
- FIG. 1 is a block diagram illustrating an apparatus for displaying a parking zone.
- the apparatus for displaying a parking zone includes an image obtaining unit 100 , a user input unit 200 , a target parking zone mode setting unit 300 , a parking zone display controlling unit 400 , and a parking zone display unit 500 .
- the image obtaining unit 100 obtains images of the front, the rear, the right, and the left of a vehicle.
- the image obtaining unit 100 may include a front camera, a rear camera, a right camera, and a left camera disposed outside the vehicle.
- a description will be provided on the basis of image data obtained from the rear camera as an exemplary embodiment related to parking.
- the user input unit 200 receives one mode selected from user among a target parking zone mode, a partial target parking zone mode, and an entire parking zone mode.
- the target parking zone mode which is a mode of particularly emphasizing and displaying a target parking zone corresponding to a region in which the vehicle will be parked, may be a mode of displaying a target parking zone 702 in an entire parking zone 70 by a line, a shape, and a color different from those of the entire parking zone 701 , as illustrated in FIG. 5 , to allow the user to confirm the target parking zone at a glance.
- the partial target parking zone mode is a mode of emphasizing and displaying a target parking zone 702 of a non-display region 710 , as illustrated in FIG. 6 .
- the entire parking zone mode is a mode of emphasizing and displaying the entirety of the entire parking zone 701 , as illustrated in FIG. 7 .
- the target parking zone mode setting unit 300 selects one of the target parking zone mode, the partial target parking zone mode, and the entire parking zone mode on the basis of image data or sets one of the target parking zone mode, the partial target parking zone mode, and the entire parking zone mode to an input mode when one of the target parking zone mode, the partial target parking zone mode, and the entire parking zone mode is input from the user input unit 200 .
- the parking zone display controlling unit 400 recognizes parking zone lines from the image data, and corrects the parking zone lines so that parting zone lines of a non-display region in a target parking zone in which the vehicle is to be parked are displayed on the basis of one or more of vehicle behavior information and the image data.
- the parking zone display controlling unit 400 includes a parking zone recognizing unit 410 and a parking zone correcting unit 420 .
- the parking zone recognizing unit 410 recognizes an entire parking zone in the image data.
- the parking zone correcting unit 420 sets a region of interest including a target parking zone in the recognized entire parking zone on the basis of the vehicle behavior information and performs correction so that parking zone lines of a non-display region are displayed on the basis of image information within the region of interest.
- the parking zone correcting unit 420 includes a vehicle behavior based correcting unit 421 and an image based correcting unit 422 .
- the vehicle behavior based correcting unit 421 calculates a behavior path of the vehicle and calculates and displays a target parking zone as illustrated in FIG. 4A .
- an error is generated between an entire parking zone 601 recognized by an image and a target parking zone 602 calculated on the basis of vehicle behavior, as illustrated in FIG. 4B .
- the vehicle behavior based correcting unit 421 sets a region of interest (ROI) 603 including a path 604 through which the vehicle moves and the target parking zone 602 , as illustrated in FIG. 4G .
- ROI region of interest
- the region of interest may be identified by a request of a user, or the like, and may be set to include an entire parking zone region or be set to an entire image screen.
- the image based correcting unit 422 detects feature lines 605 within the region of interest in the image data, as illustrated in FIG. 4D .
- the feature lines 605 include straight lines such as parking zone lines constituting the entire parking zone.
- the feature lines 605 include straight lines that have an angle similar to that of the parking zone lines or are perpendicular to the parking zone lines.
- Various algorithms such as Hough transform, and the like, may be applied in order to detect the feature lines described above.
- the image based correcting unit 422 extends the feature lines to a non-display region 610 and extracts intersection points 607 and 608 , which are points at which the extended feature points intersect with each other, as illustrated in FIG. 4E .
- the image based correcting unit 422 displays extension lines up to an intersection point 607 that is closest to the target parking zone 602 among intersection points within the non-display region 610 as the target parking zone 602 , as illustrated in FIG. 4F . That is, the image based correcting unit 422 extends the target parking zone 602 to the intersection point 607 in the non-display region 610 to display an incomplete target parking zone 609 , as illustrated in FIG. 4F .
- the image based correcting unit 422 performs distance transform on the feature lines 605 and extension lines 606 to add and display the incomplete target parking zone 609 that was not viewed in the non-display region 610 .
- a reference numeral 610 means a non-display region that is not displayed by the rear camera
- a reference numeral 620 means a region displayed by the rear camera
- a reference numeral 601 means an entire parking zone
- a reference numeral 602 means a target parking zone
- a reference numeral 603 means a region of interest
- a reference numeral 604 means a movement line corresponding to a path through which the vehicle behaves
- a reference numeral 605 means a feature line
- a reference numeral 606 means an extension line extended from the feature line
- reference numerals 607 and 608 mean intersection points
- a reference numeral 609 means an incomplete target parking zone of the non-display region 610 .
- the parking zone display unit 500 displays the parking zone lines corrected by the parking zone display controlling unit 400 .
- the parking zone display unit 500 may emphasize and display only the target parking zone as illustrated in FIG. 5 , and display the target parking zone by one or more of a line shape, a color, and a thickness different from those of the entire parking zone in order to emphasize only the target parking zone.
- the parking zone display unit 500 may display an incomplete target parking zone 705 of the non-display region 710 by one or more of a line shape, a color, a thickness different from those of an entire parking zone 701 .
- the parking zone display unit 500 may emphasize and display the entire parking zone by one color, line shape, and thickness, as illustrated in FIG. 7 .
- a screen provided by the apparatus for displaying a parking zone according to the present disclosure is divided into a display region 720 that is displayed by the rear camera and a non-display region 710 that is not displayed by the rear camera, and displays a movement line 704 corresponding to a path through which the vehicle 10 behaves for being parked, the entire parking zone 701 , the target parking zone 702 , and the incomplete target parking zone 705 of the non-display region 710 .
- the parking zone recognizing unit 410 recognizes the parking zone lines on the basis of the image data obtained from the image obtaining unit 100 (S 100 ).
- the parking zone recognizing unit 410 may recognize the parking zone lines depending on one or more conditions of widths and angles of lines constituting the parking zone.
- the parking zone correcting unit 420 corrects the parking zone lines so that parking zone lines in the non-display region among the recognized parking zone lines are displayed using one or more of the vehicle behavior information and the image data (S 200 ).
- the parking zone lines in the non-display region may be parking zone lines of a target parking zone in which the vehicle is to be parked.
- the parking zone display unit 500 displays a corrected parking zone lines (S 300 ).
- the vehicle behavior based correcting unit 421 calculates the vehicle behavior information and calculates the target parking zone on the basis of the vehicle behavior information (S 201 ). Referring to FIG. 4A , it may be appreciated that the target parking zone 602 is displayed.
- the vehicle behavior based correcting unit 421 sets a region of interest so as to include the target parking zone on the basis of the vehicle behavior information (S 202 ).
- the region of interest 603 is set and displayed.
- the image based correcting unit 422 detects the feature lines within the region of interest on the basis of the image data (S 203 ). Referring to FIG. 4D , it may be appreciated that straight lines such as parking zone lines are detected as the feature lines 605 .
- the image based correcting unit 422 extends the feature lines to the non-display region in the image data (S 204 ). Referring to FIG. 4E , the image based correcting unit 422 extends the feature lines 605 of the display region 620 to the non-display region 610 to display the extension lines 606 .
- the image based correcting unit 422 displays the target parking zone in the non-display region using the intersection points between the extension lines (S 205 ). That is, as illustrated in FIG. 4F , the image based correcting unit 422 detects the intersection points 607 and 608 positioned in the non-display region 610 and displays the extension line up to the intersection point that is closest to the target parking zone to allow the target parking zone to be displayed even in the non-display region.
- the parking zone including the non-display region that is not viewed by the limited rear camera is displayed at the time of parking the vehicle, thereby making it possible to allow the user to more conveniently park the vehicle.
- FIG. 8 is a block diagram illustrating a computer system to which a technology for displaying a parking zone is applied.
- the computer system 100 may include at least one processor 1100 , a memory 1300 , a user interface input device 1400 , a user interface output device 1500 , a storage 1600 , and a network interface 1700 connected to each other through buses 1200 .
- the processor 1100 may be a semiconductor device executing processing for instructions stored in a central processing unit (CPU) or the memory 1300 and/or the storage 1600 .
- the memory 1300 and the storage 1600 may include various kinds of volatile or non-volatile storage media.
- the memory 1300 may be a read only memory (ROM) and a random access memory (RAM).
- steps of a method or an algorithm described in association with exemplary embodiments disclosed in the present disclosure may be directly implemented by a hardware or software module executed by the processor 1100 , or a combination thereof.
- the software module may reside in a random access memory (RAM), a flash memory, a read only memory (ROM), an erasable programming ROM (EPROM), an electrically erasable programming ROM (EEPROM), a register, a hard disk, a detachable disk, a storage medium such as a compact disk-ROM (CD-ROM) (that is, the memory 1300 and/or the storage 1600 ).
- An illustrative storage medium may be coupled to the processor 1100 , which may read information from the storage medium and write information to the storage medium.
- the storage medium and the processor 1100 may also be formed integrally with each other.
- the processor and the storage medium may also reside in an application specific integrated circuit (ASIC).
- ASIC application specific integrated circuit
- the ASIC may also reside in a user terminal.
- the processor and the storage medium may also reside as individual components in the user terminal.
- the parking zone of the non-display region that is not displayed by the rear camera is displayed and provided, thereby making it possible to increase convenience of the user.
Abstract
An apparatus for displaying a parking zone may include: a parking zone display controlling unit configured to recognize parking zone lines from image data, to recognize a target parking zone in which a vehicle is to be parked among the parking zone lines on the basis of one or more of vehicle behavior information and the image data, and to correct the parking zone lines so that target parking zone lines in a non-display region are displayed; and a parking zone display unit configured to display the parking zone lines corrected by the parking zone display controlling unit.
Description
- The present application claims the benefit of priority to Korean Patent Application No. 10-2016-0080424, filed on Jun. 27, 2016 in the Korean Intellectual Property Office, the entire disclosure of which is incorporated herein by reference.
- The present disclosure relates to an apparatus and a method for displaying a parking zone, and more particularly, to a technology of supporting parking by providing a parking zone image extended and displayed up to a portion that is not viewed to a rear camera.
- A vehicle driver may look into a side mirror and a room mirror mounted on a vehicle or directly confirm a rear area of a vehicle with the naked eye in order to monitor objects at a rear of the vehicle at the time of parking the vehicle or when driving the vehicle in reverse.
- However, since the side mirror has a semi-rectangular shape, there are a lot of dead zones that may not be recognized by the driver. In addition, there is a large limitation in confirming rear obstacle, particularly, an obstacle positioned at a short distance through the room mirror, such that the rear object is not accurately recognized, thereby often causing a fender-bender or a human accident.
- To address the problems described above, a technology of installing a camera at the rear of the vehicle and providing a rear image of the vehicle onto a screen installed on a dash board to allow the driver to perform an auxiliary role at the time of parking the vehicle and backward moving the vehicle has been developed. Recently, a technology of displaying a virtual parking guide line on a screen and displaying the virtual parking guide line so as to be bent depending on movement of the vehicle to assist in driving of the vehicle by the driver as well as simply displaying the rear image has been developed.
- However, in the related art, only a parking zone line corresponding to a viewing field of a rear camera is displayed in an image, and a parking zone line of a region that is not displayed by the rear camera is not displayed, which is inconvenient.
- The present disclosure has been made to address the above-mentioned problems occurring in the prior art while advantages achieved by the prior art are maintained intact.
- An aspect of the present disclosure provides an apparatus and a method for displaying a parking zone capable of displaying and providing a parking zone of a non-display region that is not displayed by a rear camera.
- Objects of the present disclosure are not limited to the above-mentioned objects. That is, other objects that are not mentioned may be obviously understood by those skilled in the art from the following description.
- In an exemplary form of the present disclosure, an apparatus for displaying a parking zone includes: a parking zone display controlling unit configured to recognize parking zone lines from image data, to recognize a target parking zone in which a vehicle is to be parked among the parking zone lines on the basis of one or more of vehicle behavior information and the image data, and to correct the parking zone lines so that target parking zone lines in non-display region are displayed; and a parting zone display unit configured to display the parking zone lines corrected by the parking zone display controlling unit.
- The parking zone display controlling unit may include: a parting zone recognizing unit configured to recognize the parking zone lines in the image data; and a parking zone correcting unit configured to set a region of interest for a parking position among the recognized parking zone lines and to correct the recognized parking zone lines so that parking zone lines in the non-display region among the recognized parking zone lines are displayed on the basis of image information within the region of interest.
- The parking zone correcting unit may include: a vehicle behavior based correcting unit configured to calculate vehicle behavior information, to change a position of the target parking zone corresponding to a space in which the vehicle is to be parked in the parking zone recognized in the parking zone recognizing unit on the basis of the vehicle behavior information, and to set the region of interest including the position of the target parking zone; and an image based correcting unit configured to detect feature lines within the region of interest and to extend and display parking zone lines of the target parking zone to and on the non-display region on the basis of the feature lines.
- The vehicle behavior based correcting unit may set the region of interest to an entire parking zone or set the region of interest to be larger than the target parking zone.
- The image based correcting unit may be configured to detect straight lines among parking zone lines within the region of interest as the feature lines, to extend the feature lines to the non-display region, to detect intersection points at which extension lines meet each other, and to display extension lines up to an intersection point that is closest to the target parking zone among intersection points within the non-display region as the target parking zone.
- The parking zone display unit may be configured to display the target parking zone by a first line and to display parking zone lines of a non-display region portion in the target parking zone by a second line.
- The parking zone display unit may be configured to distinguish the first and second lines by making one or more of thicknesses, shapes, and colors of the first and second lines different from each other.
- The parking zone display unit may be configured to display an entire parking zone in the corrected parking zone lines by a first line and to display the target parking zone by a second line distinguished from the first line by one or more of a color, a shape, and a thickness.
- The parking zone display unit may be configured to display an entire parking zone including the target parking zone in the corrected parking zone lines by the same line.
- The apparatus for displaying a parking zone may further include a target parking zone mode setting unit configured to decide a target parking zone mode on the basis of the image data or a user input.
- In another exemplary form of the present disclosure, a method for displaying a parking zone includes: recognizing parking zone lines on the basis of image data; correcting the recognized parking zone lines so that parking zone lines in a non-display region among the recognized parking zone lines are displayed, using one or more of vehicle behavior information and the image data; and displaying the corrected parking zone lines.
- In the recognizing of the parking zone lines, the parking zone lines may be recognized depending on one or more conditions of widths and angles of lines constituting the parking zone.
- The correcting of the recognized parking zone lines may include: calculating a target parking zone in which a vehicle is to be parked on the basis of the vehicle behavior information; setting a region of interest including the target parking zone on the basis of the vehicle behavior information; detecting feature lines within the region of interest on the basis of the image data; extending the feature lines to a non-display region in the image data; and displaying the target parking zone in the non-display region using intersection points between the extended feature lines.
- In the displaying of the target parking zone in the non-display region, extension lines up to an intersection point that is closest to the target parking zone among intersection points positioned in the non-display region among the intersection points between the extended feature lines may be displayed.
- In the displaying of the corrected parking zone lines, all of the corrected parking zone lines may be displayed by the same line.
- In the displaying of the corrected parking zone lines, an entire parking zone among the corrected parking zone lines may be displayed by a first line, and the target parking zone may be displayed by a second line distinguished from the first line.
- In the displaying of the corrected parking zone lines, parking zone lines corresponding to the non-display region in the target parking zone may be displayed by a third line different from the second line.
- The above and other objects, features and advantages of the present disclosure will be more apparent from the following detailed description taken in conjunction with the accompanying drawings.
-
FIG. 1 is a block diagram illustrating an apparatus for displaying a parking zone according. -
FIG. 2 is a flow chart illustrating a method for displaying a parking zone. -
FIG. 3 is a flow chart illustrating a method for correcting a parking zone ofFIG. 2 in detail. -
FIG. 4A is a view illustrating a vehicle behavior based target parking zone. -
FIG. 4F is a view for describing a method for changing a vehicle behavior based target parking zone position of FIG. 4A. -
FIG. 4C is a view illustrating an example in which a region of interest is set in an image representing a parking zone. -
FIG. 4D is an illustrative view for describing a process of detecting a feature line. -
FIG. 4E is an illustrative view for describing a process of extending a feature line. -
FIG. 4F is an illustrative view for describing a process of displaying a parking zone in a non-display region from an extension line. -
FIG. 5 is an illustrative view illustrating an example of displaying a target parking zone by a color different from that of an entire parking zone. -
FIG. 6 is an illustrative view illustrating an example of displaying only a non-display region in a target parking zone by another color. -
FIG. 7 is an illustrative view illustrating an example of displaying an entire parking zone including a target parking zone by one color. -
FIG. 8 is a block diagram illustrating a computer system to which a technology for displaying a parking zone is applied. - Hereinafter, exemplary forms of the present disclosure will be described in detail with reference to the accompanying drawings. It is to be noted that in giving reference numerals to components of the accompanying drawings, the same components will be denoted by the same reference numerals even though they are illustrated in different drawings. Further, in describing exemplary forms of the present disclosure, well-known constructions or functions will not be described in detail in the case in which it is decided that they may unnecessarily obscure the understanding of exemplary forms of the present disclosure.
- Terms ‘first’, ‘second’, A, B, (a), (b), and the like, will be used in describing components of exemplary forms of the present disclosure. These terms are used only in order to distinguish any component from other components, and features, sequences, or the like, of corresponding components are not limited by these terms. In addition, unless defined otherwise, all the terms used in the present specification, including technical and scientific terms, have the same meanings as meanings that are generally understood by those skilled in the art to which the present disclosure pertains. It should be interpreted that terms defined by a generally used dictionary are identical with the meanings within the context of the related art, and they should not be ideally or excessively formally interpreted unless the context clearly dictates otherwise.
- Hereinafter, exemplary forms of the present disclosure will be described in detail with reference to
FIGS. 1 to 8 . -
FIG. 1 is a block diagram illustrating an apparatus for displaying a parking zone. - The apparatus for displaying a parking zone according includes an
image obtaining unit 100, auser input unit 200, a target parking zonemode setting unit 300, a parking zonedisplay controlling unit 400, and a parkingzone display unit 500. - The
image obtaining unit 100 obtains images of the front, the rear, the right, and the left of a vehicle. To this end, theimage obtaining unit 100 may include a front camera, a rear camera, a right camera, and a left camera disposed outside the vehicle. In the present disclosure, a description will be provided on the basis of image data obtained from the rear camera as an exemplary embodiment related to parking. - The
user input unit 200 receives one mode selected from user among a target parking zone mode, a partial target parking zone mode, and an entire parking zone mode. - Here, the target parking zone mode, which is a mode of particularly emphasizing and displaying a target parking zone corresponding to a region in which the vehicle will be parked, may be a mode of displaying a
target parking zone 702 in an entire parking zone 70 by a line, a shape, and a color different from those of theentire parking zone 701, as illustrated inFIG. 5 , to allow the user to confirm the target parking zone at a glance. In addition, the partial target parking zone mode is a mode of emphasizing and displaying atarget parking zone 702 of anon-display region 710, as illustrated inFIG. 6 . Further, the entire parking zone mode is a mode of emphasizing and displaying the entirety of theentire parking zone 701, as illustrated inFIG. 7 . - The target parking zone
mode setting unit 300 selects one of the target parking zone mode, the partial target parking zone mode, and the entire parking zone mode on the basis of image data or sets one of the target parking zone mode, the partial target parking zone mode, and the entire parking zone mode to an input mode when one of the target parking zone mode, the partial target parking zone mode, and the entire parking zone mode is input from theuser input unit 200. - The parking zone
display controlling unit 400 recognizes parking zone lines from the image data, and corrects the parking zone lines so that parting zone lines of a non-display region in a target parking zone in which the vehicle is to be parked are displayed on the basis of one or more of vehicle behavior information and the image data. - To this end, the parking zone
display controlling unit 400 includes a parkingzone recognizing unit 410 and a parkingzone correcting unit 420. - The parking
zone recognizing unit 410 recognizes an entire parking zone in the image data. - The parking
zone correcting unit 420 sets a region of interest including a target parking zone in the recognized entire parking zone on the basis of the vehicle behavior information and performs correction so that parking zone lines of a non-display region are displayed on the basis of image information within the region of interest. - To this end, the parking
zone correcting unit 420 includes a vehicle behavior based correctingunit 421 and an image based correctingunit 422. - The vehicle behavior based correcting
unit 421 calculates a behavior path of the vehicle and calculates and displays a target parking zone as illustrated inFIG. 4A . Here, it may be appreciated that an error is generated between anentire parking zone 601 recognized by an image and atarget parking zone 602 calculated on the basis of vehicle behavior, as illustrated inFIG. 4B . This means a case in which an accumulative error is generated due to sliding of the vehicle during parking the vehicle, an inclination of a road, or the like. - In addition, the vehicle behavior based correcting
unit 421 sets a region of interest (ROI) 603 including apath 604 through which the vehicle moves and thetarget parking zone 602, as illustrated inFIG. 4G . Here, the region of interest may be identified by a request of a user, or the like, and may be set to include an entire parking zone region or be set to an entire image screen. - The image based correcting
unit 422 detectsfeature lines 605 within the region of interest in the image data, as illustrated inFIG. 4D . Here, thefeature lines 605 include straight lines such as parking zone lines constituting the entire parking zone. Particularly, thefeature lines 605 include straight lines that have an angle similar to that of the parking zone lines or are perpendicular to the parking zone lines. Various algorithms such as Hough transform, and the like, may be applied in order to detect the feature lines described above. In addition, the image based correctingunit 422 extends the feature lines to anon-display region 610 and extracts intersection points 607 and 608, which are points at which the extended feature points intersect with each other, as illustrated inFIG. 4E . Then, the image based correctingunit 422 displays extension lines up to anintersection point 607 that is closest to thetarget parking zone 602 among intersection points within thenon-display region 610 as thetarget parking zone 602, as illustrated inFIG. 4F . That is, the image based correctingunit 422 extends thetarget parking zone 602 to theintersection point 607 in thenon-display region 610 to display an incompletetarget parking zone 609, as illustrated inFIG. 4F . The image based correctingunit 422 performs distance transform on thefeature lines 605 andextension lines 606 to add and display the incompletetarget parking zone 609 that was not viewed in thenon-display region 610. - In
FIGS. 4A to 4F , areference numeral 610 means a non-display region that is not displayed by the rear camera, areference numeral 620 means a region displayed by the rear camera, areference numeral 601 means an entire parking zone, areference numeral 602 means a target parking zone, areference numeral 603 means a region of interest, areference numeral 604 means a movement line corresponding to a path through which the vehicle behaves, areference numeral 605 means a feature line, areference numeral 606 means an extension line extended from the feature line,reference numerals reference numeral 609 means an incomplete target parking zone of thenon-display region 610. - The parking
zone display unit 500 displays the parking zone lines corrected by the parking zonedisplay controlling unit 400. Here, the parkingzone display unit 500 may emphasize and display only the target parking zone as illustrated inFIG. 5 , and display the target parking zone by one or more of a line shape, a color, and a thickness different from those of the entire parking zone in order to emphasize only the target parking zone. In addition, in the case in which the parkingzone display unit 500 emphasizes and displays only a non-display region in the target parking zone as illustrated inFIG. 6 , the parkingzone display unit 500 may display an incompletetarget parking zone 705 of thenon-display region 710 by one or more of a line shape, a color, a thickness different from those of anentire parking zone 701. - Further, the parking
zone display unit 500 may emphasize and display the entire parking zone by one color, line shape, and thickness, as illustrated inFIG. 7 . As illustrated inFIGS. 5 to 7 , a screen provided by the apparatus for displaying a parking zone according to the present disclosure is divided into adisplay region 720 that is displayed by the rear camera and anon-display region 710 that is not displayed by the rear camera, and displays amovement line 704 corresponding to a path through which thevehicle 10 behaves for being parked, theentire parking zone 701, thetarget parking zone 702, and the incompletetarget parking zone 705 of thenon-display region 710. - Hereinafter, a method for displaying a parking zone according to an exemplary embodiment in the present disclosure will be described in detail with reference to
FIG. 2 . - First, the parking
zone recognizing unit 410 recognizes the parking zone lines on the basis of the image data obtained from the image obtaining unit 100 (S100). Here, the parkingzone recognizing unit 410 may recognize the parking zone lines depending on one or more conditions of widths and angles of lines constituting the parking zone. - Then, the parking
zone correcting unit 420 corrects the parking zone lines so that parking zone lines in the non-display region among the recognized parking zone lines are displayed using one or more of the vehicle behavior information and the image data (S200). Here, the parking zone lines in the non-display region may be parking zone lines of a target parking zone in which the vehicle is to be parked. - Then, the parking
zone display unit 500 displays a corrected parking zone lines (S300). - Here, a method (S200) for correcting a parking zone of
FIG. 2 will be described in detail with reference toFIG. 3 . - First, the vehicle behavior based correcting
unit 421 calculates the vehicle behavior information and calculates the target parking zone on the basis of the vehicle behavior information (S201). Referring toFIG. 4A , it may be appreciated that thetarget parking zone 602 is displayed. - Then, the vehicle behavior based correcting
unit 421 sets a region of interest so as to include the target parking zone on the basis of the vehicle behavior information (S202). - Referring to
FIG. 4C , it may be appreciated that the region ofinterest 603 is set and displayed. - Then, the image based correcting
unit 422 detects the feature lines within the region of interest on the basis of the image data (S203). Referring toFIG. 4D , it may be appreciated that straight lines such as parking zone lines are detected as the feature lines 605. - Then, the image based correcting
unit 422 extends the feature lines to the non-display region in the image data (S204). Referring toFIG. 4E , the image based correctingunit 422 extends thefeature lines 605 of thedisplay region 620 to thenon-display region 610 to display the extension lines 606. - Then, the image based correcting
unit 422 displays the target parking zone in the non-display region using the intersection points between the extension lines (S205). That is, as illustrated inFIG. 4F , the image based correctingunit 422 detects the intersection points 607 and 608 positioned in thenon-display region 610 and displays the extension line up to the intersection point that is closest to the target parking zone to allow the target parking zone to be displayed even in the non-display region. - As described above, in the present disclosure, the parking zone including the non-display region that is not viewed by the limited rear camera is displayed at the time of parking the vehicle, thereby making it possible to allow the user to more conveniently park the vehicle.
-
FIG. 8 is a block diagram illustrating a computer system to which a technology for displaying a parking zone is applied. - Referring to
FIG. 8 , thecomputer system 100 may include at least oneprocessor 1100, amemory 1300, a userinterface input device 1400, a userinterface output device 1500, astorage 1600, and anetwork interface 1700 connected to each other throughbuses 1200. - The
processor 1100 may be a semiconductor device executing processing for instructions stored in a central processing unit (CPU) or thememory 1300 and/or thestorage 1600. Thememory 1300 and thestorage 1600 may include various kinds of volatile or non-volatile storage media. For example, thememory 1300 may be a read only memory (ROM) and a random access memory (RAM). - Therefore, steps of a method or an algorithm described in association with exemplary embodiments disclosed in the present disclosure may be directly implemented by a hardware or software module executed by the
processor 1100, or a combination thereof. The software module may reside in a random access memory (RAM), a flash memory, a read only memory (ROM), an erasable programming ROM (EPROM), an electrically erasable programming ROM (EEPROM), a register, a hard disk, a detachable disk, a storage medium such as a compact disk-ROM (CD-ROM) (that is, thememory 1300 and/or the storage 1600). - An illustrative storage medium may be coupled to the
processor 1100, which may read information from the storage medium and write information to the storage medium. As another method, the storage medium and theprocessor 1100 may also be formed integrally with each other. The processor and the storage medium may also reside in an application specific integrated circuit (ASIC). The ASIC may also reside in a user terminal. As another method, the processor and the storage medium may also reside as individual components in the user terminal. - As described above, according to the present technology, the parking zone of the non-display region that is not displayed by the rear camera is displayed and provided, thereby making it possible to increase convenience of the user.
- Hereinabove, although the present disclosure has been described with reference to exemplary embodiments and the accompanying drawings, the present disclosure is not limited thereto, but may be variously modified and altered by those skilled in the art to which the present disclosure pertains without departing from the spirit and scope of the present disclosure claimed in the following claims.
Claims (17)
1. An apparatus for displaying a parking zone, comprising:
a parking zone display controlling unit configured to recognize parking zone lines from image data depicting the parking zone, to recognize a target parking zone in which a vehicle is to be parked among the parking zone lines on the basis of one or more of vehicle movement information and the image data, and to correct the parking zone lines so that target parking zone lines in a non-display region are displayed; and
a parking zone display unit configured to display the parking zone lines corrected by the parking zone display controlling unit.
2. The apparatus for displaying a parking zone according to claim 1 , wherein the parking zone display controlling unit includes:
a parking zone recognizing unit configured to recognize the parking zone lines in the image data; and
a parking zone correcting unit configured to set a region of interest for a parking position among the recognized parking zone lines and to correct the recognized parking zone lines so that parking zone lines in the non-display region among the recognized parking zone lines are displayed on the basis of image information within the region of interest.
3. The apparatus for displaying a parking zone according to claim 2 , wherein the parking zone correcting unit includes:
a vehicle movement based correcting unit configured to calculate vehicle movement information, to change a position of the target parking zone corresponding to a space in which the vehicle is to be parked in the parking zone recognized in the parking zone recognizing unit on the basis of the vehicle movement information, and to set the region of interest including the position of the target parking zone; and
an image-based correcting unit configured to detect feature lines within the region of interest and to extend and display parking zone lines of the target parking zone to and on the non-display region on the basis of the feature lines.
4. The apparatus for displaying a parking zone according to claim 3 , wherein the vehicle movement-based correcting unit is configured to set the region of interest to an entire parking zone or to set the region of interest to be larger than the target parking zone.
5. The apparatus for displaying a parking zone according to claim 3 , wherein the image-based correcting unit is configured to detect straight lines among parking zone lines within the region of interest as the feature lines, to extend the feature lines to the non-display region, to detect intersection points at which extension lines meet each other, and to display extension lines up to an intersection point that is closest to the target parking zone among intersection points within the non-display region as the target parking zone.
6. The apparatus for displaying a parking zone according to claim 1 , wherein the parking zone display unit is configured to display the target parking zone using at least a first line and to display parking zone lines of a non-display region portion in the target parking zone using at least a second line.
7. The apparatus for displaying a parking zone according to claim 6 , wherein the parking zone display unit is configured to distinguish the first and second lines by making one or more of thicknesses, shapes, and colors of the first and second lines different from each other.
8. The apparatus for displaying a parking zone according to claim 1 , wherein the parking zone display unit is configured to display an entire parking zone in the corrected parking zone lines using at least a first line and to display the target parking zone using at least a second line distinguished from the first line by one or more of a color, a shape, and a thickness.
9. The apparatus for displaying a parking zone according to claim 1 , wherein the parking zone display unit is configured to display an entire parking zone including the corrected parking zone lines corresponding to the target parking zone.
10. The apparatus for displaying a parking zone according to claim 1 , further comprising a target parking zone mode setting unit configured to decide a target parking zone mode on the basis of the image data or a user input.
11. A method for displaying a parking zone, comprising:
recognizing parking zone lines on the basis of image data;
correcting the recognized parking zone lines so that parking zone lines in a non-display region among the recognized parking zone lines are displayed, using one or more of vehicle movement information and the image data; and
displaying the corrected parking zone lines.
12. The method for displaying a parking zone according to claim 11 , wherein in the recognizing of the parking zone lines, the parking zone lines are recognized depending on at least one of a width corresponding to the parking zone or an angle between two lines included in the parking zone.
13. The method for displaying a parking zone according to claim 11 , wherein the correcting of the recognized parking zone lines includes:
calculating a target parking zone in which a vehicle is to be parked on the basis of the vehicle movement information;
setting a region of interest including the target parking zone on the basis of the vehicle movement information;
detecting feature lines within the region of interest on the basis of the image data;
extending the feature lines to a non-display region in the image data; and
displaying the target parking zone in the non-display region using intersection points between the extended feature lines.
14. The method for displaying a parking zone according to claim 13 , wherein in the displaying of the target parking zone in the non-display region, extension lines up to an intersection point that is closest to the target parking zone among intersection points positioned in the non-display region among the intersection points between the extended feature lines are displayed.
15. The method for displaying a parking zone according to claim 11 , wherein in the displaying of the corrected parking zone lines, all of the corrected parking zone lines are displayed using the same lines.
16. The method for displaying a parking zone according to claim 11 , wherein in the displaying of the corrected parking zone lines, an entire parking zone among the corrected parking zone lines is displayed using at least a first line, and the target parking zone is displayed using at least a second line distinguished from the first line.
17. The method for displaying a parking zone according to claim 16 , wherein in the displaying of the corrected parking zone lines, parking zone lines corresponding to the non-display region in the target parking zone are displayed using at least a third line different from the second line.
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US9870709B1 (en) | 2018-01-16 |
KR20180001373A (en) | 2018-01-04 |
CN107545775B (en) | 2021-04-13 |
KR101876032B1 (en) | 2018-08-02 |
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