WO2005029407A1 - Method and apparatus for image processing in a handheld device - Google Patents
Method and apparatus for image processing in a handheld device Download PDFInfo
- Publication number
- WO2005029407A1 WO2005029407A1 PCT/IB2004/003064 IB2004003064W WO2005029407A1 WO 2005029407 A1 WO2005029407 A1 WO 2005029407A1 IB 2004003064 W IB2004003064 W IB 2004003064W WO 2005029407 A1 WO2005029407 A1 WO 2005029407A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- portions
- graphics
- video frame
- encoded video
- memory device
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T1/00—General purpose image data processing
- G06T1/60—Memory management
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/765—Interface circuits between an apparatus for recording and another apparatus
- H04N5/77—Interface circuits between an apparatus for recording and another apparatus between a recording apparatus and a television camera
- H04N5/772—Interface circuits between an apparatus for recording and another apparatus between a recording apparatus and a television camera the recording apparatus and the television camera being placed in the same enclosure
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T1/00—General purpose image data processing
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T1/00—General purpose image data processing
- G06T1/20—Processor architectures; Processor configuration, e.g. pipelining
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/36—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory
- G09G5/363—Graphics controllers
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/36—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory
- G09G5/39—Control of the bit-mapped memory
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/84—Television signal recording using optical recording
- H04N5/85—Television signal recording using optical recording on discs or drums
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/907—Television signal recording using static stores, e.g. storage tubes or semiconductor memories
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/79—Processing of colour television signals in connection with recording
- H04N9/7921—Processing of colour television signals in connection with recording for more than one processing mode
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/79—Processing of colour television signals in connection with recording
- H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N9/804—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components
- H04N9/8042—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components involving data reduction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/79—Processing of colour television signals in connection with recording
- H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N9/804—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components
- H04N9/8042—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components involving data reduction
- H04N9/8047—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components involving data reduction using transform coding
Definitions
- the present invention relates generally to handheld devices and more specifically to graphics rendering within a handheld device.
- a handheld device may be, but not limited to, a cellular phone, a personal digital assistant (PDA), a pager, a smart phone, or any other suitable portable electronic device capable of providing graphical interactivity, as recognized by one having ordinary skill in the art.
- PDA personal digital assistant
- a pager a pager
- smart phone any other suitable portable electronic device capable of providing graphical interactivity, as recognized by one having ordinary skill in the art.
- PDA personal digital assistant
- a pager such as a pager
- smart phone or any other suitable portable electronic device capable of providing graphical interactivity, as recognized by one having ordinary skill in the art.
- An emerging area in handheld devices is the ability to acquire, render and transmit graphical and/or video images.
- the JPEG processor 106 retrieves a stored image 112 and the stored image 112 is processed by the JPEG processor 106, in accordance with known JPEG processing techniques. [0008] The JPEG processor 106 thereupon generates a decoded image 114, wherein the decoded image 114 is stored in the buffer 108. The size of the buffer 108 is fixed by the size of the decoded image 114. Therefore, the handheld device 100 must have 2 memory buffers 104 and 108, wherein the size of the memory buffers 104 and 108 are dictated by the camera 102 and the maximum decoded size of the image 114.
- the present invention provides a method and apparatus for image processing in a handheld device including a first memory device that receives a video input signal.
- the first memory device is a dual buffer memory and the video input signal is an encoded representation of an image acquired using an image acquisition device, such as a camera.
- the video input signal contains an encoded video frame comprising a plurality of portions of encoded video frame data.
- the first memory device has a storage capacity less than all of the plurality of portions of encoded video frame data for the encoded video frame, such that the first memory device receives a first portion of the encoded video frame data.
- FIG. 2 illustrates one embodiment of an apparatus 200 for image processing in a handheld device 202.
- the apparatus 200 includes a first memory 204, a graphics processor 206 and a second memory 208.
- the first memory 204 and the second memory 208 are dual buffer memories capable of storing an encoded frame of video data.
- the first memory device 204 and the second memory device 208 may be, but not limited to, a single memory, plurality of memory locations, shared memory, CD, DVD, ROM, RAM, EEPROM, optical storage, or any other non-volatile storage medium capable of storing digital data.
- the processor 206 may be, but not limited to, a single processor, a plurality of processors, a DSP, a microprocessor, ASIC, state machine, or any other implementation capable of processing and executing software or discrete logic or any suitable combination of hardware, software and/or firmware.
- the processor should not be construed to refer exclusively to hardware capable of executing software, and may implicitly include DSP hardware, ROM for storing software, RAM, and any other volatile or non- volatile storage medium.
- FIG. 4 illustrates a block diagram of the handheld device 200 including a baseband receiver 250 coupled to an antenna 252 for wireless communication therethrough.
- the baseband receiver 250 is operably coupled to a central processing unit (CPU) 254 for communicating communication information 256 therethrough.
- the CPU 254 may be in accordance with known central processing units currently implemented and utilized within existing handheld devices.
- the CPU 254 may be coupled to an SDRAM/DDR 258 such that processing information 260 may be stored thereon and transferred between the memory 258 and the CPU 254.
- the CPU 254 is further coupled to the apparatus for image processing 202 across a flex cable 262.
- the camera 238 provides the video input signal 210 including the encoded video frames to the video input processor 300.
- the video input processor 300 provides a video portion 310 to the buffer 302, whereupon the buffer 302 provides that buffer video portion 312 to the RTDMA 304.
- the RTDMA 304 operating in conjunction with data request 314 and video information 316 across a bus 318 with the processor 308, the processor 308 renders the graphics information 312 provided from the buffer 302.
- the RTDMA 304 uses the memory 306, which may be any suitable type of memory as recognized by one having ordinary skill in the art, wherein in memory 306 as accessed in real time such that in response to an address 320, data 322 is retrieved.
- the processor 308 is discussed further below with regards to FIG. 6.
- the processor decodes the plurality of portions of encoded frame data to generate video signals 216b provided to the LCD controller 266.
- the full frame 268 is provided to the LCD 236.
- the frame portions may be provided on a portion-by- portion basis instead of filling a frame buffer, not illustrated.
- the blocks within the processor 308 represent a branch process, wherein specific operations are performed relative to the selected branch operation.
- the blocks 340, 342 and 344 may be witliin a central processing unit branch operation, wherein the blocks 330, 332 and 334 are within a graphics-processing branch.
- the scaling operations in 332 - may be performed with or without format conversion with the format converter 330, based on a formatting specification.
- an input signal 350 is provided to the format converter 330 which generates a format converted signal 352.
- the format converted signal 352 is provided to the scaling block 332 such that a scaled data signal 354 is provided to a rotation block 334. Based on the rotation value, the orientation of the image represented by the signal 354 may be thereupon rotated to generate a rotated output signal 356.
- an input signal 360 may be provided to the DCT functional block 340 such that a transformed signal 362 is provided for the quantinization block 342.
- the signal 362 may be adjusted quantinization, to generate an adjusted output signal 364.
- the adjusted output signal 364 is provided to the run-length encoder 344 to augment ending code the run length of the signal 364, thereupon generating the output signal 366.
- output signal 356 or output signal 366 include decoded portion of encoded video data such that on a portion by portion basis, a full frame of video data may be generated, wherein that full frame may include scaled and/or rotated image data.
- FIG. 8 illustrates an MPEG processing portion of the graphic processor 308 receiving a streaming video input 210 from the camera 238, or in a streaming video input 210 includes a frame-by-frame input.
- Received in a first memory 370 is a first frame 371, designated frame one.
- a reference frame 373 retrieved from a memory location 372.
- the different frame 376 is written to a p-frame macro block memory 378.
- the frame data 371 is further provided to a graphics processor 380.
- Graphics processor also receives a p-frame data 382 to generate the graphics output, in one embodiment the I-frame is written into a temporary buffer 384 and thereupon written to the I-frame macro block memory 386.
- the P-frame data 382 is written to a P- frame buffer 388 and thereupon written to a P sub-n macro-block 390.
- the graphics processor 380 uses well-known MPEG decoding techniques to generate the associated frame data for generating an output display in the, in one embodiment, system illustrated in FIG. 5.
- the graphics processor 380 uses well-known MPEG decoding techniques to generate the associated frame data for generating an output display in the, in one embodiment, system illustrated in FIG. 5.
- FIG. 8 illustrates a method for image processing in a handheld device.
- the method begins, step 500, by receiving the video input frame including the plurality of portions of encoded video frame data, step 502.
- the next step is providing a first portion of encoded video frame data to a first memory device having a storage capacity less than the video input frame, step 504.
- the first memory 204 receives the plurality of portions of the encoding video frame data and has a storage capacity less than the video input frame.
- the next step in the method includes reading the first portion of input video frame data from the first memory device, step 506.
- the next step, step 508, is providing the first portion of the encoded video frame data to graphics processor.
- the first portion of encoded video frame data is graphically processed to generate a first graphics portion, step 510.
- method includes writing the first graphics portion to a second memory device, step 512.
- the first graphics portion 216a is written to the second memory 208 after being graphically processed by the processor 206.
- the method is complete step 514.
- the method begins, step 520, by receiving a video input frame in a camera, the video input frame including a plurality of portions encoded of video frame data, step 522.
- the camera 238, as illustrated in FIGS. 3 and 4 requires a video image and converts the video image into an input frame including a plurality of portions encoded video frame data.
- the next step, step 524 is writing a plurality of portions of encoded video frame data to a first memory device having a storage capacity less than the video input frame, on a portion-by-portion basis.
- the next step 526 is reading the plurality portions of the encoded video frame data from the first memory device on a portion-by-portion basis.
- the method further includes providing a plurality of portions of encoded video frame data to a graphics processor on a portion-by-portion basis, step 528.
- the graphics processor 206 may receive the plurality of portions encoded video frame data 214 from the first memory 204.
- the next step, step 530 is graphically processing the plurality of portions of encoded video frame data to generate a plurality of graphics portions, on a portion-by-portion basis.
- the graphics processor 206 and in another embodiment, the processor 308, performs this operation.
- Writing the plurality of graphics portions to a second memory device on a portion-by-portion basis is the next step, step 532.
- the method includes writing the plurality of graphic portions to an external memory device, on a portion-by-portion basis, step 534.
- FIG. 9c illustrates the method includes the step of 542, when the input video frame is an image, the graphics processor being capable of performing a format conversion, scaling or a rotation, step 542. As discussed above, this embodiment may be performed within processor 308. Thereupon, this embodiment of the method is complete, step 544.
- FIG. 9d illustrates the next step, step 546, includes when receiving the input video frame is a single frame of a motion picture, the graphics processor being capable of performing a discrete cosine transform, quantinization or a vector run-length encoder. These operations are discussed above with regards to FIG. 6 with functional blocks 340, 342 and 344.
- the method further includes the quantinization table that may be utilized to adjust the plurality graphics portions to accommodate a storage capacity of the second memory portion, step 548. Thereupon, this method is complete, step 550.
- FIG. 9e Another alternative embodiment illustrated with regard to FIG. 9e includes the steps of the method of FIG. 9a relative to marker A 536.
- the next step includes the first memory and the second memory portion disposed within an embedded memory, step 552.
- the reading of writing is performed by a real time direct memory access device using a ring buffer approach step 554.
- the present invention input provides for an improved graphic processing within a handheld device by providing for the efficient utilization and processing of video data based on a portion by portion rendering technique.
- a reduction in memory size requirements can be utilized and thereupon saving valuable real-estate within a handheld processing device.
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2004800311202A CN1902659B (en) | 2003-09-22 | 2004-09-20 | Method and apparatus for image processing in a handheld device |
JP2006526733A JP4870563B2 (en) | 2003-09-22 | 2004-09-20 | Image processing method and apparatus in portable device |
AT04769432T ATE440347T1 (en) | 2003-09-22 | 2004-09-20 | METHOD AND DEVICE FOR IMAGE PROCESSING IN A HAND-HELD DEVICE |
KR1020067007628A KR101085799B1 (en) | 2003-09-22 | 2004-09-20 | Method and apparatus for image processing in a handheld device |
DE602004022687T DE602004022687D1 (en) | 2003-09-22 | 2004-09-20 | METHOD AND DEVICE FOR IMAGE PROCESSING IN A HAND-HELD DEVICE |
EP04769432A EP1673727B1 (en) | 2003-09-22 | 2004-09-20 | Method and apparatus for image processing in a handheld device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/667,912 US7486297B2 (en) | 2003-09-22 | 2003-09-22 | Method and apparatus for image processing in a handheld device |
US10/667,912 | 2003-09-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005029407A1 true WO2005029407A1 (en) | 2005-03-31 |
Family
ID=34313395
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IB2004/003064 WO2005029407A1 (en) | 2003-09-22 | 2004-09-20 | Method and apparatus for image processing in a handheld device |
Country Status (8)
Country | Link |
---|---|
US (1) | US7486297B2 (en) |
EP (1) | EP1673727B1 (en) |
JP (1) | JP4870563B2 (en) |
KR (1) | KR101085799B1 (en) |
CN (1) | CN1902659B (en) |
AT (1) | ATE440347T1 (en) |
DE (1) | DE602004022687D1 (en) |
WO (1) | WO2005029407A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10146298B2 (en) | 2009-04-08 | 2018-12-04 | Qualcomm Incorporated | Enhanced handheld screen-sensing pointer |
Families Citing this family (7)
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KR20020022871A (en) * | 2000-09-21 | 2002-03-28 | 방풍실 | Composition for removing of spot or wart |
EP1584185A2 (en) * | 2003-01-14 | 2005-10-12 | Matsushita Electric Industrial Co., Ltd. | Data-transceiving equipment, image processor, and image-processing method |
TWM249387U (en) * | 2003-12-19 | 2004-11-01 | Power Quotient Int Co Ltd | A portable digital image process device |
US20060050155A1 (en) * | 2004-09-02 | 2006-03-09 | Ing Stephen S | Video camera sharing |
KR100618883B1 (en) * | 2005-02-02 | 2006-09-11 | 삼성전자주식회사 | Method and apparatus for displaying incoded image data |
US7822277B2 (en) * | 2005-08-31 | 2010-10-26 | Ati Technologies Ulc | Method and apparatus for communicating compressed video information |
US10410376B1 (en) * | 2016-09-26 | 2019-09-10 | Amazon Technologies, Inc. | Virtual reality media content decoding of portions of image frames |
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US4716460A (en) * | 1986-10-08 | 1987-12-29 | Sperry Corporation | Display refresh memory apparatus utilizing one half frame updating |
EP0655723A1 (en) * | 1993-11-30 | 1995-05-31 | Texas Instruments Incorporated | Digital memory for display system using spatial light modulator |
US6118818A (en) * | 1996-04-09 | 2000-09-12 | Lg Electronics, Inc. | Method for decoding MPEG standard video bit stream |
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JPH10150659A (en) * | 1996-11-18 | 1998-06-02 | Sony Corp | Picture encoder |
AR016812A1 (en) * | 1997-08-14 | 2001-08-01 | Samsung Electronics Co Ltd | METHOD FOR TRANSMITTING COMPRESSED VIDEO INFORMATION, COMPRESSION AND VIDEO RECORDING PROVISIONS AND VIDEO PLAYBACK |
JP3884845B2 (en) * | 1997-11-18 | 2007-02-21 | キヤノン株式会社 | Information processing apparatus and method |
SE511516C2 (en) * | 1997-12-23 | 1999-10-11 | Ericsson Telefon Ab L M | Handheld display unit and method for displaying screens |
JP4009808B2 (en) * | 2000-03-01 | 2007-11-21 | 富士ゼロックス株式会社 | Image processing device |
IL150149A (en) * | 2001-06-11 | 2008-08-07 | Zoran Microelectronics Ltd | Specialized memory device |
US7113302B2 (en) * | 2001-10-16 | 2006-09-26 | Texas Instruments Incorporated | Printer with unified display list and banded display lists |
JP4245123B2 (en) * | 2002-02-28 | 2009-03-25 | 株式会社メガチップス | Wavelet processing apparatus and wavelet processing method |
JP4031996B2 (en) * | 2003-01-30 | 2008-01-09 | 富士フイルム株式会社 | Digital still camera with memory device |
-
2003
- 2003-09-22 US US10/667,912 patent/US7486297B2/en active Active
-
2004
- 2004-09-20 JP JP2006526733A patent/JP4870563B2/en active Active
- 2004-09-20 EP EP04769432A patent/EP1673727B1/en active Active
- 2004-09-20 CN CN2004800311202A patent/CN1902659B/en active Active
- 2004-09-20 KR KR1020067007628A patent/KR101085799B1/en active IP Right Grant
- 2004-09-20 AT AT04769432T patent/ATE440347T1/en not_active IP Right Cessation
- 2004-09-20 WO PCT/IB2004/003064 patent/WO2005029407A1/en active Application Filing
- 2004-09-20 DE DE602004022687T patent/DE602004022687D1/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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US4716460A (en) * | 1986-10-08 | 1987-12-29 | Sperry Corporation | Display refresh memory apparatus utilizing one half frame updating |
EP0655723A1 (en) * | 1993-11-30 | 1995-05-31 | Texas Instruments Incorporated | Digital memory for display system using spatial light modulator |
US6118818A (en) * | 1996-04-09 | 2000-09-12 | Lg Electronics, Inc. | Method for decoding MPEG standard video bit stream |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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US10146298B2 (en) | 2009-04-08 | 2018-12-04 | Qualcomm Incorporated | Enhanced handheld screen-sensing pointer |
Also Published As
Publication number | Publication date |
---|---|
ATE440347T1 (en) | 2009-09-15 |
CN1902659B (en) | 2010-08-11 |
KR101085799B1 (en) | 2011-11-22 |
EP1673727A1 (en) | 2006-06-28 |
EP1673727B1 (en) | 2009-08-19 |
JP2007506327A (en) | 2007-03-15 |
JP4870563B2 (en) | 2012-02-08 |
CN1902659A (en) | 2007-01-24 |
US7486297B2 (en) | 2009-02-03 |
KR20070008516A (en) | 2007-01-17 |
US20050062858A1 (en) | 2005-03-24 |
DE602004022687D1 (en) | 2009-10-01 |
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